B2 Building Paper 1m x 100m (100m2 Roll) Acoustic Insulation ThermaClass Cavity Wall 21: A

ThermaClass Cavity Wall 21: A high-performance cavity wall insulation board suitable for residential and commercial applications

and major construction projects

and insulation boards

Gyproc Joint Filler is suitable for both primary and secondary filling

Showcasing high tensile strength

B2 Building Paper 1m x 100m (100m2 Roll) Acoustic Insulation ThermaClass Cavity Wall 21: AThis material is a traditional, non reinforced PE coated wet strength kraft waterproof building paper. Novia B2 meets the technical requirements of BS 1521 (Class B without reinforcement) for water proof building papers. Unlike many other recent developments in building membranes (eg breathable roof underlays), BS 1521 does not give guidance on suitable use, and as such this product is a generic material, used primarily in a wide range of end user