A1F Standard Building Paper - All Sizes Wall Insulation Celotex XR4165 is suitable for

Celotex XR4165 is suitable for various applications including timber frame and masonry walls

Resistance to high temperatures

Is Gyproc Easi-Fill 60 suitable for drywall systems

this product seamlessly marries exceptional insulation with practicality

please use our Metallised BOPP Tape

A1F Standard Building Paper - All Sizes Wall Insulation Celotex XR4165 is suitable forIntroducing Novia Ltd's A1F Standard Building Paper the trusted solution for construction. Meeting the highest BS 1521 Grade A1F standard, this bitumen bonded laminate is versatile, suitable for vapour checks, cladding underlays, and more. Novia Ltd, the industry leaders, provide expert guidance for this traditional, reliable product. With standard rolls of 1m x 25m and 1m x 50m, A1F adapts to various applications, from separation layers to air