Cromar Protect 1F is a non-vapour-permeable (non-breather) membrane designed for use beneath slated and tiled pitched roofs, with specific suitability for roofs where bats are known to roost. This high-performance underlay complies with BS5250:2021 standards, requiring appropriate ventilation, and should be installed following BS5534:2018 guidelines. It acts as an effective secondary barrier, preventing dust, rain, and snow from entering the roof void and offering temporary protection for up to three months before the primary barrier (slates or tiles) is installed. Lightweight and ea
£18.02 ex. VATCromar Protect 1F is a non-vapour-permeable (non-breather) membrane designed for use beneath slated and tiled pitched roofs, with specific suitability for roofs where bats are known to roost. This high-performance underlay complies with BS5250:2021 standards, requiring appropriate ventilation, and should be installed following BS5534:2018 guidelines. It acts as an effective secondary barrier, preventing dust, rain, and snow from entering the roof void and offering temporary protection for up to three months before the primary barrier (slates or tiles) is installed. Lightweight and ea