Klober Permo Forte is a strong, 4-layer, low vapour resistance, permeable membrane with a built in safety grid. It is available with or without self-adhseive tape and is suitable for all pitched roofs. It is a particularly effective solution for controlling condensation and has the best resistance in the marketplace.
Suitable for Cold and Warm Roofs.
Wind zones 1-4 with battened headlap.All wind zones with taped headlap.
Highly suitable for period buildings
An unsupported underlay should provide a drape between rafters sufficient enough to ensure that any water will run away
Contact between the membrane and the roof covering should be avoided during and after installation
Should be laid with Underlay Support Trays with a maximum drape of 15mm.