Tanking Concrete Walls

Leaking basements issues are a very common problem sadly and there is only one effective way to permanently resolve water leaks for existing masonry concrete retaining walls.

Tanking concrete walls.

Start by cleaning your walls removing old plaster dust paint or render then wash thoroughly with water. See technical brochure for more details. Using a solution of trisodium phosphate tsp and warm water clean the concrete floor or surface thoroughly removing all the oil and grease that. It is used to treat damp walls by preventing water ingress effectively making the walls permanently watertight.

For coating concrete brick and stone walls and floors. Once the wall is clean apply salt neutraliser to prevent any salts from entering. Damp walls are common in cellars because the walls are below ground. How to tank walls that are wet or below ground.

In cellar tanking situations a cove joint should be formed in the floor slab. When applying waterproof concrete and wall tanking products it is essential that there is a key for the product to bond to. Tanking floors and walls diy use our tanking slurry or our waterproofing membrane kits easy to install no nasty chemicals. 20kgs professional with bba certificate in a tough plastic pail just add water.

The best and permanent solution to stop water leaks to below ground walls either cement block retaining walls masonry besser block etc is to do the job right. Also learn about using air gap membranes to provide a barrier between damp surfaces and inner wall decorative. Watch for any leaks if water is seeping from the walls you ll need to use a quick setting plug such as restor rapid set to stop the flow until it is properly tanked. Advice on installing air gap membranes.

Applying a tanking mixture to a wall will prevent moisture from penetrating the wall and can stop mold buildup and water damage. Apply with a soft brush wall paper type or from a dustpan and brush set. Coverage 2 to 3 square metres of two coats. A tanking slurry is a mixture of cement chemicals and water that can be applied to brick concrete or stone.

At the time of construction positive below ground tanking exterior wall should be applied to the foundation an or retaining walls. Block work masonry walls are porous. How to apply tanking slurry. Clean the concrete surface with tsp.

These can take years to achieve the desired outcome and if the concrete moves cracks the success of relying on concrete additives alone is questionable. Basements cellars bathrooms tanked with a 10 year guarantee plastic membrane or slurry or epoxy paints our experts can help you choose call 01626 872886.