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
- Retaining walls
1. Low cold flex temperature 2. Durability