Glidevale Protect VP400 Plus is a highly vapour permeable breather membrane for all pitched roofs. Manufactured to provide the lowest vapour resistance of any Type LR roofing underlay in its class, it still remains airtight and also offers great strength and durability along with UV and heat resistance. VP400 has excellent nail tear and tensile strength. Supplied in a 1.5m x 50m roll.
