Swimming Pool Waterproofing
Pool waterproofing applies a watertight system to the pool's concrete shell before tiling, usually flexible cementitious or crystalline waterproofing with reinforced corners and pipe penetrations, followed by a fill test. For existing pools, repair starts by locating the leak source (shell, pipes or fittings).

When do you need swimming pool waterproofing?
- Abnormal drop in pool level
- Damp in adjacent rooms
- Loose tiles
Early warning signs
- Level drops more than normal evaporation
- Wet ground around the pool
Materials and systems we use
| Material / system | Use and advantages |
|---|---|
| Flexible cementitious waterproofing | For the shell before tiling. |
| Crystalline waterproofing | Seals concrete pores. |
| Bonding agents and sealants for fittings | Around lights, drains and pipe inlets. |
How Azl carries out the work
- 1Bucket test to separate evaporation from leakage
- 2Inspect pipes and fittings
- 3Treat the shell and corners
- 4Apply two coats of waterproofing
- 5Fill test before tiling
Comparing the available systems
| System | Function | Strength | Needs | Est. SAR/m² |
|---|---|---|---|---|
| Crystalline cementitious | Integral waterproofing | Works against negative pressure, seals fine cracks | Moist curing and sound concrete | Within tank pricing 60–120 |
| Epoxy | Lining and floor protection | Hard, chemical-resistant, easy to clean | Dry concrete; potable-water certified product for tanks | 35–120 |
| Spray polyurea | Waterproof + mechanical/chemical protection | Cures in seconds, highly flexible | Specialist rigs and precise surface prep | 70–160 |
Indicative ranges before VAT. A system's real life depends on the product, workmanship and maintenance, so we state it in the written quote and warranty rather than a generic table.
Warranty and compliance
You receive a written warranty whose period depends on the insulation type and surface condition, with a handover report documenting materials and tests (flood, adhesion, thickness).
Swimming Pool Waterproofing by city
Different technical recommendations for each city based on climate, groundwater and soil.
Riyadh Region
- Swimming Pool Waterproofing in Riyadh
- Swimming Pool Waterproofing in Al Kharj
- Swimming Pool Waterproofing in Al Majmaah
- Swimming Pool Waterproofing in Az Zulfi
- Swimming Pool Waterproofing in Ad Dawadmi
- Swimming Pool Waterproofing in Wadi Ad-Dawasir
- Swimming Pool Waterproofing in Ad Diriyah
- Swimming Pool Waterproofing in Afif
- Swimming Pool Waterproofing in Shaqra
Makkah Region
Madinah Region
Eastern Province Region
- Swimming Pool Waterproofing in Dammam
- Swimming Pool Waterproofing in Al Khobar
- Swimming Pool Waterproofing in Dhahran
- Swimming Pool Waterproofing in Al-Ahsa
- Swimming Pool Waterproofing in Qatif
- Swimming Pool Waterproofing in Jubail
- Swimming Pool Waterproofing in Khafji
- Swimming Pool Waterproofing in Hafr Al-Batin
- Swimming Pool Waterproofing in Ras Tanura
- Swimming Pool Waterproofing in Abqaiq
Qassim Region
Asir Region
Tabuk Region
Hail Region
Northern Borders Region
Jazan Region
Al Baha Region
Swimming Pool Waterproofing: frequently asked questions
How do I know if pool water loss is evaporation or a leak?
The bucket test: place a filled bucket on the pool step so its water level matches the pool's, then compare the drop in both after a day. If the pool drops noticeably more, there is a leak.
Related services
Book an inspection for swimming pool waterproofing
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