Do you know how to choose your Waterproofing Materials?
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Do you know how to choose your Waterproofing Materials?

Do you know how to choose your Waterproofing Materials?

There are so many waterproofing materials flooded in the market today for any given situation. Where there are multiple materials to be chosen for a given situation, you should always follow the Waterproofer’s preferences based on the comparative experience they have had given that situation.

The sad part is clients in Kenya choose the waterproofing material based on price alone. And we have seen from experience that far more money is spent on repairing leaks than what would have costed the client if he had “GOT IT RIGHT THE FIRST TIME” especially during design stage. And on top of the cost of repair, other factors like inconvenience or annoyance come into play.

Below are some examples why some waterproofing systems or materials may not be suitable for some given situations:

  • Acrylic systems cannot be safely laid in covered situations, i.e. with a screed, plaster or tiles over them. With over 30 years in the game, experience has taught us that they break down when covered. An example of an acrylic waterproofing system is Grey Liquid Rubber Waterproofing Membrane.
  • In planter and garden waterproofing situations, root resistant membranes should be used. Roots will grow through non root resistant membranes. A non root resistant membrane example is EPDM Rubber or special APP Membranes designed to be root resistant. (Now, speaking of garden and planter situations, it is always good practice to consult with expert landscapers on the issue of the type of plants that will be planted.)
  • Certain self-adhesive membranes are not UV resistant, therefore they cannot be left exposed to the weather elements.
  • Cementitious membrane should not be used over large areas and on precast concrete systems. They have little flexibility and will fracture if any cracks occur in the substrate.