What cementitious tank waterproofing includes
- Checking the concrete tank walls to find cracks, pores and leak points
- Cleaning the inner surface of dust, algae and residue from old coatings
- Roughening the surface so the cementitious coat grips the concrete wall firmly
- Treating fine cracks and structural joints before the waterproofing coat is applied
- Applying the cementitious coat to the dampened wall with care at corners and edges
- Reviewing the surfaces after application to confirm the coat covers the full wall area
From your call to a sealed wall
- 1
Tell us about your tank
Call or message us on WhatsApp, and describe the tank size, its location and what you notice: any damp or cracks in the walls.
- 2
Preparing the concrete surface
The walls are cleaned of dust, algae and old coating residue, then the surface is roughened so it takes the cementitious coat well.
- 3
Treating cracks and joints
Fine cracks and structural joints are treated first, because the waterproofing coat alone cannot close an existing crack.
- 4
Applying the cementitious coat
The cementitious material is applied to the prepared and dampened wall so it absorbs into it, and is worked again over edges and corners for full contact.
Concrete and cement work together
- The coat bonds with the concrete tank wall
- Works on damp walls that are hard to dry fully
- Seals pores and penetrates the concrete from within
- We treat cracks and joints before the coat goes on
- We take your request by phone call or WhatsApp message
The service in Az Zahrah District
Water tanks in a district like Az Zahrah sit on rooftops or in yards, exposed to direct sun all day. Concrete that hardens in heat then cools rapidly develops cracks, and water enters these gaps. In Al-Ahsa, where groundwater is salty, minerals and moisture build up in tank walls and weaken them. The cementitious sealant bonds with the concrete itself, leaving no gaps for water to seep through. The tank must be inspected all around first and cleaned before coating begins.
Az Zahrah District is a district in Al-Ahsa governorate in the Eastern Province, close to Al Jamiyin District, Al Iskan 1st District and Al Hamra 1st District.
Fine cracks around the tank base and in the inner corners are where seepage starts first.
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Questions about Cementitious tank waterproofing in Az Zahrah District
The cementitious material needs moisture in the surface to absorb into it and bond with it rather than drying out on top. If applied to a fully dry wall in the heat, the coat dries before it can penetrate the concrete and the result is weaker.
Yes, cementitious waterproofing systems are designed to resist water pressure from both sides, inside and outside. That is the main difference between a true waterproofing material and a plain cement paint. The surface must be clean and free of old coatings that block bonding.
It depends on the state of the old lining. If it is sound and not peeling it may be assessed for keeping, but if it is loose or flaking it must be removed first, because the cementitious coat needs direct contact with the concrete, not with a failing old lining.
The tank must be emptied, cleaned and prepared before waterproofing in any case. The main advantage of a cementitious material is that it works with damp concrete and does not require the complete dryness that some resin-based materials need.
Tell us whether the tank is a ground tank or an overhead tank, what you can see such as seepage in the wall, damp at the base or a peeling old coat, and whether the tank is currently in use or empty. This helps us assess what the surface needs before the cementitious coat.
Cementitious coating penetrates fine cracks and pores and seals them from within. But if there are large cracks or structural damage, additional repair may be needed. The initial inspection determines what is possible.
Empty the tank completely and leave it to dry for several hours. If the inside walls have algae or dirt, scrub them with a brush. Tell us if you have noticed strange odours or discoloured water.
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