Bathroom Renovation in Dammam – Strip-Out, Waterproofing, Plumbing & Tiling

Bathroom renovation in Dammam means putting a bathroom right from the inside out: stripping the old tiles back to the concrete slab where needed, laying new supply and drain pipes that are pressure-tested before anything covers them, applying a flexible waterproofing membrane to the floor and walls and proving it with a flood test, forming a screed that falls to the floor drain, and then tiling, fitting the sanitary ware, closing a moisture-resistant ceiling and installing an extract fan that discharges outdoors. Aemar Al-Maryam General Contracting handles this work in flats, villas, older houses and annexes in Dammam and in the other Eastern Province cities, whether the job is a full renovation or a targeted repair of one cause such as a leak, a drain smell or hollow tiles. A full renovation of a small bathroom (up to about 4.5 m² of floor) with economy materials starts from SAR 2,300, a medium bathroom from SAR 4,600 and a large main bathroom from SAR 6,400. All of these figures stay provisional until we have inspected the bathroom and agreed the scope. Reach us by phone or WhatsApp on 0547879578.

The bathroom is the smallest room in the house and the one that works hardest, and the pipes buried in its walls stay out of sight until a damp patch appears next door or on the ceiling below. New tiles laid over a failed membrane or a corroded pipe bring the same problem back within months. This guide explains each stage as we carry it out, when a partial repair is enough, what must be inspected before it is covered, what each item costs, and what to send us on WhatsApp for a quick estimate.

Bathroom renovation company in Dammam: our work from floor to ceiling

As a bathroom renovation company in Dammam, we treat the bathroom as one connected job rather than a list of separate trades that each worker handles alone. The plumber running the pipes needs to know the finished tile level; the waterproofer needs the pipe penetrations in place so that he can seal around them; the tiler needs correct falls under his hands. When one team handles all of it in a planned order, most of the faults that cause leaks after a renovation simply disappear, because those faults usually happen at the hand-over from one trade to the next.

The principle behind our work is simple: everything that will end up hidden behind the tiles is checked before it is hidden. For an overview, visit our bathroom and kitchen renovation service page.

Bathroom renovation contractor in Dammam or separate tradesmen?

A bathroom renovation contractor in Dammam takes responsibility for the whole result, while separate tradesmen each answer only for their own part. If a leak appears two months later, the plumber blames the waterproofing, the waterproofer blames the pipe, and you are left in the middle. With one contractor, the scope is written once: what is broken out, which pipe system is used, how high the membrane goes, how long the flood test runs, which tile, adhesive and grout are specified, and who takes the rubble away.

Bathroom repair and maintenance in Dammam

Some bathrooms only need one cause fixed: a smelly floor drain, a WC leaking at its base, loose wall tiles or cracked shower grout. We handle these maintenance jobs in Dammam too, and if the cause runs deeper we say so before starting.

Washroom and toilet renovation company in Dammam

A washroom and toilet renovation company in Dammam offers the same service under another name: whether people call it a bathroom, a washroom, a toilet or a guest WC, the work follows the same stages and only the size changes. The guest toilet by the majlis, the en-suite off the master bedroom, the family bathroom in the hallway, and the washrooms in annexes, rest houses and shops all go through inspection, controlled strip-out, plumbing, waterproofing and testing, then finishing.

Each type has its own priorities, summed up below.

• ✓Guest WC: a small space, a waterproofed floor with perimeter upstand, a compact or wall-hung basin and careful planning around the door.
• ✓En-suite: a daily shower, a tall waterproofed shower wall and an extract fan, because steam drifts straight into the bedroom.
• ✓Family bathroom: heavy use by several people, so a slip-resistant floor and a durable grout come first.
• ✓Annex and shop washrooms: we check drain falls, the connection to the main sewer line and ventilation before any finishing.

When does a bathroom in Dammam need renovation? Signs and their causes

A bathroom in Dammam needs renovation when something shows that water is going where it shouldn’t, or that what lies behind the tiles has started to fail. The important thing to understand is that the visible sign is not the cause but its result, and each sign has a likely cause that decides how much work is needed:

• ✓Damp or flaking paint on the wall of the next room: usually a failed membrane on the shower wall, or a supply joint weeping inside the wall.
• ✓A brown mark on the ceiling underneath: the floor membrane no longer stops water, the drain has separated from the membrane, or a waste pipe is leaking.
• ✓A persistent sewer smell: a dry or broken trap, a WC seal that no longer holds, or a drain fall that traps water.
• ✓Tiles that sound hollow when tapped or come loose: the adhesive has lost its bond, sometimes because water got behind the tile.
• ✓Black, cracked grout that won’t come clean: ordinary grout used in a shower area, or movement in the tiling.
• ✓Weak pressure and rusty hot water: old galvanised steel pipes corroded on the inside.
• ✓Water standing on the floor after a shower: wrong falls, or a drain that isn’t at the lowest point.
• ✓Mould on the ceiling and upper corners: no ventilation, or a fan that blows into the ceiling void instead of outdoors.

If you see any one of these, don’t start with paint or new tiles. Ask first where the water is coming from. When the cause is hidden, the first step is to locate the leak before anything is broken out; that service is explained in the leak detection section of our roof and bathroom waterproofing guide.

Damp and salts at the base of ground-floor bathroom walls in Dammam

Ground-floor bathrooms in Dammam can suffer from a problem that doesn’t start in the bathroom at all. Shallow, salty groundwater lies under large parts of the Province; it creeps up into the lower courses of masonry, bringing chlorides and sulfates with it. It leaves white salt deposits, hollow plaster and tiles that come away near the floor. Re-tiling without treating the source simply brings the same damage back. So we check the base of the wall from inside and outside, and treat rising damp as part of our renovation work in Dammam before re-plastering and tiling. This item is priced after inspection.

Partial or full bathroom renovation in Dammam?

A partial renovation fixes one specific cause; a full renovation strips the tiles back to the concrete slab and renews the plumbing, waterproofing, tiles, fixtures and ceiling. The choice depends less on budget than on what the inspection finds. This table sums up how we decide:

Our rule: if water has reached behind the tiles or under the floor, a partial job that doesn’t open and re-waterproof the wet zone won’t work; if the problem is only on the surface, there is no reason to break out a sound bathroom.

Complete bathroom remodel in Dammam

A complete bathroom remodel in Dammam means the bathroom leaves the job as if it had been built new on the same structure: nothing old remains except the slab and the structural walls. We recommend it when two or more problems come together, such as old pipes and a failed membrane, or when the owner wants to change the layout. Every layer is then new, with a known specification.

Renovating old bathrooms in Dammam

Renovating an old bathroom in Dammam usually starts with the plumbing rather than the tiles. Houses that have stood for many years often still have galvanised steel supply pipes that have corroded inside until the bore has narrowed, an old membrane that has lost its flexibility and cracked, and ventilation that relies on a small window kept shut most of the time. Coastal humidity speeds up the rusting.

We also regularly find a floor raised so high by thick mortar that the door scrapes it, a heater hanging in the splash zone and a standard gypsum ceiling swollen by steam. Each is a separate cause of trouble:

• ✓Pipes: we replace old metal supply pipes with modern heat-fused pipework and fit a dedicated isolation valve for the bathroom.
• ✓Drainage: we check pipe sizes and falls, and replace anything cracked or scaled.
• ✓Waterproofing: we never coat over an old, cracked membrane; we remove it and waterproof again.
• ✓Floor level: we keep the build-up as thin as possible so the floor doesn’t rise above the door and corridor.
• ✓Electrics: switches and sockets move out of the wet zones, and the heater switch goes outside the bathroom.

Tired plaster behind old tiles is redone in cement render, never gypsum plaster; see our plastering guide.

Bathroom strip-out in Dammam: removing the old tiles

Bathroom strip-out in Dammam is the first task of a full renovation: we take off every wall and floor tile and the mortar beneath it until we reach a sound surface, disconnect the fixtures and open up the routes of any pipes being replaced.

We first isolate the water and power, protect the corridor and screen the doorway against dust. We use a light electric breaker, because heavy hammering on an upper-floor bathroom can crack the slab or the neighbours’ ceiling. Rubble is bagged and carried out as we work.

• ✓What we remove: tiles and bedding, sanitary ware, the old cracked membrane, pipes being replaced and a damaged ceiling.
• ✓What we protect: the concrete slab, the structural walls, shared risers and stacks in apartment buildings, and the walls of neighbouring bathrooms.
• ✓What we check after strip-out: cracks in the slab, the condition of any exposed reinforcement, damp in the walls and the routes of hidden pipes.

Tile and mortar removal is priced from SAR 14/m², and each load of rubble taken away within Dammam starts from SAR 90. When the bathroom is part of a wider strip-out in the home, see our demolition contractor guide. If strip-out reveals a crack in the slab or in the ceiling below, we deal with it first, as described in our crack repair guide.

Bathroom plumbing rough-in in Dammam before tiling

In a Dammam bathroom, the plumbing rough-in is the stage where we run the hot and cold supply and the drainage to their new points before waterproofing and tiling, then testing them while they are still exposed. Rough-in plumbing for the standard points of one bathroom starts from SAR 460 labour, an estimate until inspection and agreement.

For the supply we use modern pipework whose joints are heat-fused with a welding machine at the temperature the manufacturer specifies, so that the joint and the pipe become a single piece. We fit a dedicated isolation valve for the bathroom so it can be shut off without cutting water to the whole house. Where possible we run each outlet on its own line from a single manifold, because fewer buried joints in the wall mean fewer places a leak can start. Concealed mixer bodies and concealed cistern frames are fixed in place before waterproofing and tiling, set to depths calculated from the finished tile thickness.

For drainage we work to familiar pipe sizes: about 32 mm for a basin, 40 mm for a shower or bath, and 110 mm for a WC. Small pipes are laid at a fall of about 2% (roughly 2 cm per metre), and pipes larger than 3 inches at about 1%. The trap must always hold water, because that water seal is what keeps sewer gas out of the room.

Testing the plumbing before the wall is closed

We never close a wall or tile a floor before testing what lies beneath it. Saudi plumbing rules, drawn from the international model code, ask for waste pipes to hold a 3-metre column of water (or an air test) for no less than 15 minutes, and for the water supply to be proven tight at no less than its working pressure. In practice we connect a pressure gauge to the supply and leave it for a period during which the needle must not drop, and we fill the drainage and watch every joint.

Bathroom plumbing second fix in Dammam

The bathroom plumbing second fix in Dammam happens after tiling: fitting the exposed mixers, basin, WC, hand spray, angle valves and water heater, then testing every outlet. Mixers are fitted from SAR 75 each, basins complete with mixer from SAR 90, and an electric water heater with its safety valve from SAR 140. Other plumbing work and faults are covered in our Dammam plumber guide.

Bathroom waterproofing in Dammam before tiling

In Dammam bathrooms, waterproofing takes the form of a flexible membrane brushed or rolled across the bathroom floor and taken up the walls before tiling. It stops the water that seeps through grout and joints from reaching the concrete slab, the walls and the rooms next door. Tiles on their own are not waterproof: grout absorbs water, joints move, and whatever passes through them has to be caught by a layer below and led to the drain. Bathroom waterproofing with a flood test starts from SAR 26 per square metre.

We use waterproofing products designed to go under tiles, either flexible cementitious or liquid polymer types; this family of liquid-applied membranes beneath adhesive-fixed tiling is covered by a recognised European standard. The choice depends on the floor, the tile type and the build-up height available.

How bathroom waterproofing is done, step by step

1. 1
   Prepare the surface
   Clean dust and mortar off the slab, repair cracks and uneven spots, and form a mortar cove at the floor-wall junction so the membrane never folds at a sharp angle.
2. 2
   Prime
   Apply a primer that improves the membrane’s bond and let it dry as the product sheet requires.
3. 3
   Reinforce
   Bed reinforcing tape into every floor-wall and wall-wall corner, and fit a collar around the drain and every pipe coming through the floor or wall.
4. 4
   First coat
   Coat the floor with the membrane and carry it up the walls, embedding the reinforcing tape.
5. 5
   Second coat
   Once the first is dry, apply the second at right angles so any missed spot is covered.
6. 6
   Flood test
   Plug the drain, flood the floor and watch it for 24 to 72 hours.
7. 7
   Protect and tile
   Only after the test passes do we lay the protection or falls screed, then tile.

How high should waterproofing go on bathroom walls?

International wet-area references require shower walls to be waterproofed to about 1,800 mm above the floor, the walls beside a fitted bath to a level 150 mm higher than its edge, and a perimeter upstand elsewhere that turns up above the finished floor tiles. In our own work we take the membrane about 30 cm up the walls around the whole room, and up the shower walls to head height, because shower spray reaches higher than most people expect.

Flood testing bathroom waterproofing in Dammam

A flood test means plugging the drain and filling the waterproofed floor so that the water stands 2.5–10 cm deep where the floor is lowest, leaving it for 24 to 72 hours, then checking the adjoining walls, the ceiling below and the perimeter upstand. These figures come from a well-known American standard for flood testing; the test passes when no leak appears and the membrane and its flashings are intact. We photograph the water level at the start and at the end so you can see it for yourself. More on waterproofing products and systems is in our roof waterproofing and insulation guide.

Bathroom floor falls and floor drains in Dammam

Bathroom floor falls in Dammam must carry every drop to the drain without leaving water standing in any corner. The accepted figure for a shower area is about 2%, i.e. 2 cm for each metre of run to the drain, up to a maximum of around 4%, while the rest of the bathroom floor needs only a gentler 0.5 to 1%. A floor that is nearly level holds water; one that is too steep feels unstable underfoot and raises the risk of slipping.

Falls are formed with a mortar screed above or below the membrane depending on the system, checked with a level and then tested with water before tiling. The drain sits at the lowest point and is joined to the membrane with a sealed collar, because water that runs beneath the tiles must find its way there too.

• ✓Square centre drain: falls from four directions, with tiles cut in an envelope pattern.
• ✓Linear drain against the wall: a fall in one direction, which suits large tiles with few cuts and works well for a level-access shower.
• ✓Ready-made shower tray: the tray provides the fall, though the waterproofing around and behind it matters just as much.

Bathroom tiling in Dammam: ceramic and porcelain

Bathroom tiling in Dammam means choosing tiles that suit water and foot traffic, an adhesive that fully fills the space behind them and a grout that doesn’t soak up water, then fixing them on correct falls. Bathroom tiling labour for floors and walls starts from SAR 36 per square metre.

• ✓Porcelain for floors: water absorption of no more than 0.5%, so it doesn’t soak up water or stain. Choose a matt or slip-resistant finish; for level indoor floors that get wet, the American reference sets a minimum wet DCOF of 0.42.
• ✓Ceramic for walls: fine on walls that aren’t walked on, lighter and easier to cut.
• ✓Adhesive: an improved cementitious adhesive for porcelain and wet areas, covering at least 95% of the back of each tile in a bathroom, not dabs that leave voids where water collects.
• ✓Grout: an improved cement grout with reduced water absorption, or epoxy grout on the shower floor and walls because it absorbs almost no water.
• ✓Sealant: sanitary silicone, not grout, at wall-floor junctions and around the basin, bath and WC, because those joints move.

We leave you spare tiles from the same batch after handover, so if one cracks years later you can replace it with an exact match. More on tile sizes and setting out is in our tile installer guide.

How to change bathroom tiles in Dammam

Changing bathroom tiles in Dammam starts with one question: is the problem only the tiles, or what lies under them? If the tiles are old or broken but the membrane is sound and there is no damp, the steps are:

1. 1
   Inspect
   Tap the tiles to find hollow ones, measure moisture in adjoining walls and confirm the membrane is sound.
2. 2
   Remove
   Take off the old tiles and bedding carefully so as not to tear the membrane; any damaged part is repaired.
3. 3
   Prepare
   Level the walls with cement render if needed and correct the floor falls.
4. 4
   Fix
   Wall tiles first, starting from the second row on a temporary batten, then the floor, then the first wall row sitting on the floor tiles.
5. 5
   Grout and seal
   Grout once the adhesive has cured, and run sanitary silicone in the corners and around fixtures.

If we find damp behind the tiles, however, changing the tiles alone won’t be enough and waterproofing becomes a necessary part of the job.

Can new tiles go over old bathroom tiles?

Tiling over existing bathroom tiles is acceptable in a narrow set of cases: every old tile has to be firmly stuck with nothing hollow, the extra height must still work with the door and the drain level, and the wall must be able to carry the extra weight. It is never acceptable in a shower area where the membrane underneath has failed, because it simply buries the problem under two layers instead of one.

Installing sanitary fixtures after bathroom renovation in Dammam

Installing sanitary fixtures after a bathroom renovation in Dammam is the final stage. We handle the installation, connection and testing, while you choose the type and style of fixtures to suit your taste and budget. We don’t sell fixtures or push any particular product; we make sure what you choose fits the rough-in positions and dimensions.

• ✓Western WC: floor-standing or wall-hung; a wall-hung WC needs a concealed cistern frame fixed and accurately set out before tiling.
• ✓Basin: pedestal, wall-hung or on a vanity unit, with an angle valve beneath it so it can be serviced without shutting off the whole bathroom.
• ✓Shower: a concealed mixer set before tiling at a calculated depth, or an exposed mixer, with an overhead or hand-held shower head.
• ✓Hand spray (shattaf): its own supply point with a valve, positioned within easy reach.
• ✓Water heater: in a dry location or in the ceiling with an access hatch, with a safety valve and a safe discharge.

The WC base gets a new seal, a level fixing and silicone at the front and sides, with the back left open so any future drip shows.

Converting a squat toilet to a western WC in Dammam

Converting a squat (Arabic-style) toilet to a western WC in Dammam is possible in most homes. It involves removing the squat pan and its bedding, re-routing the 110 mm WC drain to the new position with a correct fall, then waterproofing and tiling the floor and installing the new WC. It has no fixed price; we quote it once we have seen the bathroom, since no two conversions are alike.

A western WC needs its outlet at a set distance from the back wall, so if the old squat-pan drain doesn’t match, we re-route the pipe under the floor. The real challenge comes when the slab doesn’t allow the pipe to drop with the fall it needs, as is common on upper floors. Then we may need to raise part of the floor slightly, or choose a WC with a rear outlet that connects through the wall.

• ✓What we check first: where the existing drain is, how deep it sits, whether there is an occupied room below, and the door height.
• ✓What changes in the floor: opening the route, adjusting the pipe, re-screeding, and then new waterproofing for the whole floor, not just the opened strip.
• ✓What is usually added: a hand-spray point, and a basin nearby if there isn’t one.

Converting a bathtub to a walk-in shower in Dammam

Converting a bathtub to a walk-in shower in Dammam means removing the bath and its surround, waterproofing the floor and walls to shower height, forming falls to a drain or fitting a shower tray, and moving the mixer to the right height.

The floor that sat under the bath was rarely waterproofed properly, and it now becomes a shower floor wetted every day, so we waterproof it with the rest of the floor and take the membrane up the walls around the shower.

• ✓Drain: we check that it can sit at the lowest point and connect either to the old bath waste or to a new line.
• ✓Level-access shower: cleaner to look at and easier to step into, but it needs precise falls and full waterproofing.
• ✓Ready-made tray: quicker to install, and the right choice when the floor build-up doesn’t allow enough fall.
• ✓Glass: a fixed panel or a door, fitted after tiling with silicone along its base.

The conversion is priced after inspection, because it is made up of items with known prices (removal, waterproofing, tiling) plus whatever plumbing changes the bathroom needs.

Bathroom ventilation and moisture-resistant ceilings in Dammam

Bathroom ventilation and a moisture-resistant ceiling in Dammam go hand in hand: the ceiling can tolerate humidity up to a point, and ventilation keeps it from passing that point.

Bathroom extract fans: when you need one and how powerful

Every bathroom without an opening window of adequate size needs an extract fan. The residential building code references accept a window with about 0.28 m² of glazing, half of it openable, or a mechanical fan rated at about 50 cubic feet per minute (roughly 24 litres per second) for intermittent use, or 20 cfm (roughly 9 litres per second) running continuously. More important than the rating is that the fan discharges directly outdoors, not into the void above a suspended ceiling; a fan that pushes steam into the ceiling just moves the problem from the bathroom to the space above it.

If the duct needs a hole through an external wall or a concrete slab, we cut it cleanly with a diamond core drill at the right diameter, as described in our core drilling guide. Wiring a fan point starts from SAR 65.

Bathroom ceilings: moisture-resistant gypsum or cement board?

Moisture-resistant gypsum board works for a bathroom ceiling provided the room is well ventilated and the board is kept away from direct shower spray, because it resists humidity but is not waterproof, and it deteriorates if water reaches it repeatedly. A moisture-resistant gypsum ceiling starts from SAR 74 per square metre; see our gypsum board guide for more.

Cement board suits newly built shower walls and ceilings exposed to very high humidity, and it makes a good tile backer. It is water-resistant but not a waterproofing layer, so the joints and fixings still need sealing in wet areas. It is priced after inspection; the details are in our cement board installation guide.

We leave an access hatch in the ceiling near the water heater and valves, so any future repair doesn’t mean breaking the ceiling. Untiled wall areas are finished in moisture-resistant paint, as described in our painting guide.

Safe bathroom electrics and water heaters in Dammam

Bathroom electrics in Dammam are laid out according to wet zones: no sockets or switches inside the shower or bath zone, and each circuit serving the bathroom is fed through a 30 mA RCD, which disconnects almost instantly when current escapes to earth through someone’s body. This is the basis of the international standard for rooms containing a bath or shower, on which the Saudi electrical code is built.

• ✓Inside the bath or shower: nothing electrical except equipment designed for it with high water protection.
• ✓Above and around it: lights and fans rated at least IPX4 against splashing water.
• ✓Outside the zones: the bathroom socket, protected by the RCD and a safe distance from the basin.
• ✓Water heater: its own suitably sized circuit, switched by a double-pole switch placed outside the room.
• ✓Bonding: metal parts bonded to earth where required.

Wiring a water heater or fan point starts from SAR 65. If the existing bathroom wiring has no RCD or has switches inside the shower zone, the renovation is the moment to put it right; see our electrician guide for more.

Bathroom renovation without breaking tiles in Dammam: what works and what doesn’t

Renewing a bathroom without breaking out tiles in Dammam works when the problem is on the surface, and doesn’t when water has already got behind the tiles or under the floor. We will tell you honestly which side your bathroom falls on.

What can be done without breaking out:

• ✓Raking out old grout and regrouting with a low-absorption or epoxy grout.
• ✓Renewing the silicone around the basin, bath and corners.
• ✓Changing mixers, the basin and the WC when the rough-in points are sound.
• ✓Fixing a trap or WC seal that causes a smell.
• ✓Replacing a damaged gypsum ceiling and fitting a fan.
• ✓Lifting and re-fixing a few hollow tiles in a dry area.

What cannot be fixed without breaking out:

• ✓A failed membrane under the shower floor leaking downwards.
• ✓A supply or drain pipe weeping inside the wall.
• ✓Wrong falls that leave water standing.
• ✓A layout change, such as a shower in place of a bath.

Coatings applied over tiles can give dry areas a new look, but they don’t waterproof and don’t stop a leak, and they are not suitable for a shower floor, so we never offer them as a substitute for renovation. Regrouting and resealing are priced after inspection — send photos and the bathroom size on WhatsApp 0547879578 for an estimate.

Small bathroom renovation in Dammam

Small bathroom renovation in Dammam starts from SAR 2,300 for a bathroom up to about 4.5 m² of floor, covering strip-out, plumbing rough-in, waterproofing, economy tiles and refitting the fixtures, an estimate until inspection and agreement. Every centimetre counts:

• ✓Shower instead of a bath: usually frees up more than a metre of length.
• ✓Wall-hung or compact basin: leaves the floor visible underneath, so the room looks bigger and is easier to clean.
• ✓Wall-hung WC: saves a few centimetres and makes floor cleaning easy, but needs a wall that can carry the frame.
• ✓Door: opening outwards, or a sliding door when the inside is tight, so it doesn’t hit the WC or basin.
• ✓Whole floor falling to the shower drain: keeps the room dry without a glass screen.

Enlarging a bathroom in Dammam

Enlarging a bathroom in Dammam means taking in part of an adjoining room or corridor, or removing a non-structural wall between a bathroom and a store. Before any enlargement we confirm that the wall to be removed is not load-bearing and that drainage can reach the new area with a correct fall. If the work needs an opening cut in a concrete wall, the details are in our concrete cutting guide. Enlargement is priced after inspection and may need a permit if it touches structural elements.

How much does bathroom renovation cost in Dammam?

In Dammam a bathroom renovation is priced from SAR 2,300 when the room is small (up to about 4.5 m²) and economy materials are used, from SAR 4,600 for a medium bathroom of roughly 5 to 9 m², and from SAR 6,400 for a main bathroom over 9 m². Treat them as provisional until inspection and agreement; they move with the bathroom’s size, the condition of the floor and plumbing, the choice of tiles and fixtures, access and the floor level of the property.

We don’t list a leak detection price here, because it is a separate service carried out before renovation; you will find it under leak detection in our waterproofing guide. Nor do we list prices for the fixtures themselves, as they vary widely with what each client chooses. Other site-wide figures sit on our prices page.

Worked example: a standard 1.8 × 2.4 m bathroom with a shower corner

This illustrative example is for a bathroom common in flats, measuring 1.8 × 2.4 m with a 2.4 m ceiling and tiles to full height on the walls:

• ✓Areas: floor 1.8 × 2.4 = 4.32 m². Walls (1.8 + 2.4) × 2 × 2.4 = 20.16 m², less the door 0.8 × 2.1 = 1.68 m², giving 18.48 m². Total tiled area about 22.8 m².
• ✓Tile removal: 22.8 × 14 = about SAR 319.
• ✓Waterproofing: floor 4.32 m² + two shower walls 2 × 0.9 × 1.8 = 3.24 m² + a 30 cm upstand along the remaining 7 m or so of perimeter = 2.1 m², about 9.7 m² in total × 26 = about SAR 252.
• ✓Plumbing rough-in: SAR 460.
• ✓Tiling: 22.8 × 36 = about SAR 821.
• ✓Fixtures: basin 90 + two mixers 150 = SAR 240.
• ✓Fan point: SAR 65.
• ✓Moisture-resistant gypsum ceiling: 4.32 × 74 = about SAR 320.
• ✓Rubble removal: two loads × 90 = SAR 180.

Labour and ceiling come to about SAR 2,657. Add economy tiles, adhesive, grout, waterproofing materials and pipes at roughly SAR 1,200 to 1,500, and the approximate total lands between SAR 3,860 and 4,160. Notice that this bathroom is under 4.5 m², yet it goes above the SAR 2,300 starting price because it has full-height tiling, a new ceiling, a fan and two mixers. A small guest toilet with less tiling comes much closer to the starting price. The figures are illustrative; the actual quotation follows inspection.

Factors that push a bathroom renovation quote up or down

• ✓Tile height on the walls: full-height tiling roughly doubles the wall area compared with half height.
• ✓Plumbing condition: a full re-pipe costs more than adjusting a few points.
• ✓Tile type: large-format porcelain takes more time and precision to cut and level.
• ✓Floor level and access: carrying rubble and materials in a building without a lift adds work.
• ✓Conversions: moving the WC or drain, or replacing a bath, adds items.
• ✓What is under the tiles: cracks in the slab or rising damp must be treated before work starts.

Affordable bathroom renovation in Dammam: is it possible?

You can bring the cost down without lowering quality in the places nobody sees. Keep the existing plumbing layout if it is sound, because moving points is one of the most expensive items. Choose medium-format tiles over very large ones, tile the walls to a sensible height outside the shower and paint the rest with moisture-resistant paint. Waterproofing, the flood test and the plumbing rough-in are the items we never advise saving on, because the cost of getting them wrong is many times their price.

Bathroom renovation steps in Dammam, in order

The steps of a bathroom renovation in Dammam follow a fixed sequence: every stage rests on the previous one, and several must be inspected before the next one covers them:

1. 1
   Inspection and measurement
   We examine the bathroom, identify the cause of the problem, measure and agree the scope, items and materials.
2. 2
   Protection and isolation
   We shut the valve, switch off the circuits, protect the corridors and screen the dust from the rest of the home.
3. 3
   Strip-out
   Removing tiles, fixtures and pipes being replaced, with rubble taken away as we go.
4. 4
   Post-strip-out check
   We inspect the slab, walls, cracks and damp, and treat what is needed.
5. 5
   Plumbing rough-in
   Running supply and drainage and fixing concealed mixers and cistern frames.
6. 6
   Plumbing test
   Pressure on the supply and water in the drains before anything is closed.
7. 7
   Electrics and ventilation
   Light, fan and heater points, and the duct opening to the outside.
8. 8
   Render and levelling
   Cement render on the walls and levelling of the floor.
9. 9
   Waterproofing
   Primer, reinforcement and two coats taken up the walls.
10. 10
    Flood test
    24 to 72 hours, then a check of the walls and the ceiling below.
11. 11
    Falls and tiling
    The falls screed, then tiles with the right adhesive, then grout.
12. 12
    Ceiling
    Moisture-resistant gypsum or cement board with an access hatch.
13. 13
    Second fix
    Sanitary ware, mixers, water heater, silicone and accessories.
14. 14
    Testing and handover
    Every outlet tested, the room cleaned and the spare tiles handed over.

The three checks before anything is closed

We never close a wall or lay a tile before three checks: the drain and supply test, a visual inspection of the membrane, and then a flood test of 24 to 72 hours. We photograph each check and send you the pictures, because nobody will see what is under the tiles again, and construction quality programmes on Saudi projects require waterproofing to be inspected before the floor finish covers it.

How long does bathroom renovation take in Dammam?

Bathroom renovation in Dammam takes 1 to 3 days for a local repair, and roughly one to two weeks for a full renovation of a standard bathroom, including drying times and the flood test. We confirm the actual timetable after inspection, because it depends on what we find once the old tiles are off.

Cutting drying times or skipping the flood test is the surest way to spoil a renovation, so we give a realistic timetable from the start.

Can I stay at home during the renovation?

Yes, you can stay at home as long as there is another bathroom you can use, since the one we are working on is out of use until handover. We screen the dust and warn you before short water shut-offs. Where the home has a single bathroom, we plan the job so the essential fixtures are working again as early as possible.

Mistakes that cause leaks after bathroom renovation in Dammam

Leaks after a bathroom renovation in Dammam usually trace back to a short list of errors that keep turning up when we are asked to repair other contractors’ jobs:

• ✓Leaving old pipes behind new tiles: tiles last many years, and a corroded pipe won’t last with them.
• ✓No reinforcement at corners and the drain: the membrane cracks at sharp angles and water creeps around the drain.
• ✓An upstand that is too low: shower spray reaches a wall that was never waterproofed.
• ✓Skipping the flood test: nobody knows the membrane is sound until it has been tested.
• ✓Flat or reversed falls: standing water seeps through the grout day after day.
• ✓Ordinary grout in the shower: it absorbs water, darkens and cracks.
• ✓Grout where silicone belongs: at wall corners and around fixtures, grout cracks as the joint moves.
• ✓Drilling through the membrane for accessories: screws for shelves and hooks puncture it unless they are sealed.
• ✓Gypsum products in wet zones: gypsum plaster or standard board crumbles with water.
• ✓A fan blowing into the ceiling void: steam condenses above the gypsum and ruins it from the top.

Bathroom handover checklist in Dammam

A bathroom handover in Dammam should follow a checklist that lets you verify the visible items yourself and ask for photos of those now hidden by tiles:

• ✓Ask for photos of the drain test and the flood test, showing the water level and the start and end times.
• ✓Run the shower for a few minutes and check that water flows to the drain and doesn’t pool in any corner.
• ✓Knock on the tiles with the back of a screwdriver; a dull, hollow note means a tile without full adhesive behind it.
• ✓Look at the joints: straight, full and of even width.
• ✓Check the silicone at wall corners and around the basin, WC and bath.
• ✓Open every mixer, then check under the basin and around the WC base after a few minutes.
• ✓Make sure hot water reaches the shower and the basin.
• ✓Switch on the fan and confirm its air leaves the building.
• ✓Press the test button on the RCD and confirm it trips.
• ✓Make sure there is an access hatch near the water heater and valves.
• ✓Collect the spare tiles from the same batch.

Bathroom renovation before and after in Dammam: what changes at each stage

Bathroom renovation before and after in Dammam is not just two photos; it is a series of stages in which the room changes step by step, and the most important of them never appear in the final picture. That is why we document each stage as it really is and show photos of our own projects on our projects page. We never use stock images of bathrooms we didn’t build.

• ✓Before: hollow tiles, black grout, a damp patch on the next wall, galvanised pipes, a swollen ceiling.
• ✓After strip-out: the slab exposed, old pipe routes visible, and any crack or damp shows up clearly.
• ✓After rough-in: new heat-fused pipes with the pressure gauge connected and concealed mixers in place.
• ✓After waterproofing: a grey membrane covering the floor and rising up the walls, then the room flooded for testing.
• ✓After tiling: straight joints and falls you can see when water runs to the drain.
• ✓At handover: fixtures fitted, a moisture-resistant ceiling, a working fan and a floor that dries after use.

We send you photos of each stage of your own bathroom, a genuine before-and-after record.

Does bathroom renovation in Dammam need a permit?

Bathroom renovation in Dammam generally doesn’t need a permit when it is internal maintenance without structural change, such as re-tiling, fixing a leak, or renewing the waterproofing and plumbing. If the work alters structural elements, such as taking out a load-bearing wall, opening a slab or adding a bathroom, a permit is needed through the Balady platform: a building restoration permit for restoration without new components or structural changes, handled through a contracted engineering office, or a permit to add and alter building components when the structure changes. More on this is in our renovation guide.

Bathrooms within whole-home and kitchen renovation in Dammam

Bathroom renovation in Dammam is often part of a wider renovation, and planning it together saves money: one strip-out, one plumbing plan and one electrical review. If the kitchen is included, see our kitchen renovation guide; for the whole home, see our renovation contractor guide. General finishing work is on our finishing page.

Building a new bathroom on the roof or in the courtyard

Building a new bathroom on the roof or in the courtyard is construction rather than renovation, because it starts with new walls, a roof and a drain line connected to the sewer, and it needs a permit like any annex. We carry it out as part of our annex and majlis building work; details and prices are in our annex and majlis builder guide.

Bathroom renovation outside Dammam: Al Khobar, Dhahran, Qatif, Saihat and beyond

We renovate bathrooms in every district of Dammam, and from Dammam we serve both the nearby and the more distant cities of the Eastern Province. For distant cities, scheduling and travel costs are agreed at inspection, and grouping more than one bathroom into a single visit lowers the cost.

Dammam districts: near the corniche, Ash Shati and Al Khaleej; in the centre, Al Badiyah, Ad Dabab, Al Athir, Badr, Al Jalawiyah, An Nur, Ibn Khaldun, Al Itisalat and Al Anud; and also Al Faisaliyah, Ghirnatah, Ar Rayyan, Al Qadisiyah, Uhud, Al Firdaws, An Nada, Ash Shulah, Taibah, Al Fursan, Al Manar, Al Hamra, Al Mazruiyah, Ar Rawdah, Al Jamiyin and Dahiyat Al Malik Fahd. See our Dammam page.

Al Khobar: Ath Thuqbah, Ar Rakah, Al Olaya, Al Hada, Madinat Al Ummal, Al Aqrabiyah, South Khobar and the Green Belt. See our Al Khobar page, and general renovation there in our Al Khobar renovation guide.

Other cities: Saihat, Dhahran, Qatif, Ras Tanura, Jubail, Abqaiq, Al-Ahsa, Hafr Al-Batin and Khafji.

In Jubail Industrial City, water and sewerage are run by a different operator from the other cities, so we take that into account for any change to a drain connection. In Al-Ahsa, and in ground-floor bathrooms generally, we pay particular attention to rising damp before tiling.

Why homeowners choose Aemar Al-Maryam for bathroom renovation in Dammam

A way of working you can check for yourself:

• ✓We start with the cause: we find where the water or smell comes from before proposing any breaking out.
• ✓A written scope: what is broken out, what is replaced, which materials, how high the membrane goes and how long the test runs.
• ✓Photos of what lies under the tiles: the tested plumbing, the membrane and the flood test.
• ✓One team for the whole bathroom: so mistakes don’t fall between the plumber, the waterproofer and the tiler.
• ✓Published starting prices: confirmed after inspection and agreement.

How to order a bathroom renovation in Dammam

Ordering a bathroom renovation in Dammam starts with a WhatsApp message containing photos and measurements, and ends with an inspection visit and an itemised quotation:

1. 1
   Send photos
   On WhatsApp 0547879578: the floor, walls, ceiling, under the basin, and any damp patch in the next room or the floor below.
2. 2
   Send measurements
   Length, width and height, the floor level and the approximate age of the building.
3. 3
   Describe the problem and what you want
   A leak, a smell, broken tiles or a full renovation; shower or bath; squat or western WC.
4. 4
   Inspection
   We visit, inspect and measure, then write down the items and the cost.
5. 5
   Work
   Carried out in order with the three checks, and photos of every stage.
6. 6
   Handover
   Every outlet tested, the checklist completed and the spare tiles handed over.