APP Membrane Waterproofing

Atactic Polypropylene Membrane, popularly known as APP Membrane, is a special waterproofing material that is manufactured from Bitumen. It comes in rolls with each roll measuring 10 metres by 1 metre and covers an area of 8.7 m². With proper workmanship, the APP membrane is a very efficient and durable waterproofing material used in most constructions.

APP Modified Bituminous Sheet Membrane
This type of membrane is manufactured by modifying premium grade asphalts with atactic polypropylene and specially reinforced with non- woven polyester. It shows excellent strength, elasticity and durability. Since its production is done in-house at Chemsol, APP Modified Bituminous Sheet Membrane is easily available with short lead time.


It is very commonly used for waterproofing of:
  • Concrete roofs
  • Low-pitched roofs
  • Concrete gutters
  • Basements
  • Retaining walls


1. Low cold flex temperature 2. Durability
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