Water based bituminous liquid membrane for hand applications.
Master Flex is an advanced ecologically friendly brown bitumen-polymer liquid membrane.
The product features excellent adhesion to concrete and dries to a tough black seamless and flexible waterproof membrane after application.
Master Flex is a ready to use single component paste that was successfully approved as radon tight.
Moreover, Master Flex can behave as a vapor-proof liquid membrane.
Master Flex’s technical properties enable an easy brush or roller application.