Tanking Concrete Walls

For coating concrete brick and stone walls and floors.

Tanking concrete walls.

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. 20kgs professional with bba certificate in a tough plastic pail just add water. When applying waterproof concrete and wall tanking products it is essential that there is a key for the product to bond to. Start by cleaning your walls removing old plaster dust paint or render then wash thoroughly with water.

How to tank walls that are wet or below ground. Damp walls are common in cellars because the walls are below ground. It is used to treat damp walls by preventing water ingress effectively making the walls permanently watertight. 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.

A tanking slurry is a mixture of cement chemicals and water that can be applied to brick concrete or stone. Coverage 2 to 3 square metres of two coats. Apply with a soft brush wall paper type or from a dustpan and brush set. 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.

In some situations for example on waterproof concrete this may be hard to achieve. See technical brochure for more details. Also learn about using air gap membranes to provide a barrier between damp surfaces and inner wall decorative. Using a solution of trisodium phosphate tsp and warm water clean the concrete floor or surface thoroughly removing all the oil and grease that.

Once the wall is clean apply salt neutraliser to prevent any salts from entering. Advice on installing air gap membranes. Block work masonry walls are porous. Clean the concrete surface with tsp.

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. Cellar tanking or basement tanking refers to the application of a liquid waterproof coating tanking slurry to the walls and floor of a cellar. How to apply tanking slurry. At the time of construction positive below ground tanking exterior wall should be applied to the foundation an or retaining walls.

In this project guide learn all about tanking wet or damp walls to solve damp and mould problems and also unwanted moisture and water presence. In cellar tanking situations a cove joint should be formed in the floor slab.