Permo forte SK2 is an extremely strong four layer vapour permeable underlay with a built-in re-enforcement grid. Suitable for all pitched roofs.
Permo forte SK2 has a double integral tape at the laps. This creates a very effective and secure airtight seal, reducing energy loss.
• Glue-on-glue connection createsperfect seal.
• Problems laying in wet/dusty conditions avoided because both strips protected by release paper.
Features
• Very strong and robust vapour permeable underlay.
• 4 layer material with grid.
• BBA, IAB & CE approved for cold & warm roofs.
• UV stable for 4 months.
• Double hydrophobically treated.
• Allows the roof structure to breathe, yet fully waterproof.
• Counterbattens only required on fully supported applications.
• Limits air leakage in a sealed roof application.
• Type LR underlay.
Application
Suitable for cold and warm roofs.
Material
Strong laminated sheet material, with outer layers of polypropylene, an inner layer of microporus polyethylene film and re-inforcement mesh.
Please note: the Klober permo forte SK2 membrane is suitable for use everywhere in the UK (zones 1 to 5) without restriction under BS 5534 which therefore includes the zones with the highest wind speeds in the country.
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