Water tank waterproofing in Riyadh
Your tank holds your family's drinking water. Its lining must stop both leaks and contamination, with a potable-safe material and work that starts with a full clean, not paint over sediment.
- Free site inspection
- Warranty up to 15 years
- Photo-documented work
What you should know about water tank waterproofing
A leaking underground tank wastes water and weakens the soil around foundations, while cracks let contaminants in. Typical signs: higher water bills, recurring algae, a smell or colour in the water, or damp around the tank.
We empty and clean the tank, inspect walls and floor, repair cracks and corners, then apply a system approved for drinking water: cementitious lining for conventional concrete tanks, or potable-grade polyurea where flexibility and speed are needed.
Where it fits
Underground concrete tanks
Internal lining against leaks and contamination.
Roof tanks
Protection against cracks from thermal movement.
Project and compound tanks
Large capacities scheduled to minimise water outage.
Old tank rehabilitation
Remove failed lining, repair concrete, then reline.
How we install it, step by step
- 1
Empty & clean
Remove sediment, algae and rust, then rinse thoroughly.
- 2
Inspect & repair cracks
Walls, floor and roof repaired with concrete repair materials.
- 3
Corner fillets
Cementitious fillets at corners, the most leak-prone points.
- 4
Pre-wet the surface
For cementitious systems, so the concrete does not draw water from the coating.
- 5
Two coats
The second in the opposite direction after 4–6 hours.
- 6
Cure & test
After full cure (48–72 h) the tank is filled for testing, then washed before use.
Technical specifications
Typical values from approved manufacturers' data sheets, final systems and thicknesses are confirmed after the site survey.
Real photos from our sites
What determines the price?
We price after inspection because these factors vary by site, our quotation lists each item explicitly.
- Tank capacity and wall area.
- Concrete condition and crack extent.
- System (cementitious, polyurea or epoxy).
- Access and ventilation.
Request a written quotation
We inspect your site and send a quotation stating the system, thickness, preparation and warranty line by line.
Request a quote on WhatsAppFrequently asked questions
Does the lining affect water taste?
No, when potable-approved materials are used and the tank is washed before use.
How long is the tank out of service?
Usually 3–5 days: two days for preparation and application and two to three for curing and testing.
Cementitious or polyurea for a tank?
Cementitious is economical and fully compatible with concrete; polyurea is more flexible, bridges cracks and lasts longer at a higher cost.
You may also need
Cementitious waterproofing
Flexible two-component systems that bond with concrete, for tanks, pools and wet areas.
Read more
Polyurea coating
Sets in seconds, 300–450% elongation, high chemical and impact resistance, for tanks and industrial roofs.
Read more
Waterproofing
Liquid, membrane, cementitious and polyurea systems for roofs, walls, foundations and wet areas.
Read moreBook a free inspection for water tank waterproofing
Call us, message us on WhatsApp or fill in the form, our team will schedule an inspection and send a written quotation.