Wonderbuild Elastoizol 3B Underlay Felt 20m WB3B01

A glass-fibre reinforced waterproofing membrane designed for use as an underlay in high performance built-up roofing systems to suit the requirements of both new build and remedial applications.

• Excellent quality glass fibre reinforcement
• High durability in built up roofing systems
• Compatibility with most Pour and Roll and Torch-On materials
• Traditional membrane