Xtra-Gard Tradebond 3B Glass Base Layer - A glass fibre reinforced coated with bitumen and finished on both the upper and lower surfaces with fine silica sand. The product is used as a fully bonded preparation or intermediate layer in pour and roll bitumen built up roofing systems. The product is also suitable as an underlay to Icopal bitumen shingles in a pitched roof application.
Features and benefits
• Inert glass fibre reinforcement
• Suitable as both underlay and intermediate layer
• Suitable for use as underlay to Icopal bitumen shingles
• Easily cut and worked