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Klober Permo Forte

by Klober
SKU KLOB55
Original price £175.00 - Original price £175.00
Original price
£175.00
£175.00 - £175.00
Current price £175.00
Availability:
in stock, ready to be shipped
Availability:
Low stock

Klober Permo Forte Breather Membrane

Klober Permo Forte has a unique plastic ripstop grid, which helps prevent tearing. A special inner layer allows water vapour to exit the roof space while preventing rainwater and moisture from entering the building. Each roll is 50 x 1.1m covering 55m ².

The durable, 4-layer fabric of reinforced microporous polythene film, with the outer layers of bond polypropylene. An internal reinforcing mesh makes this membrane tough and easy to handle. This extra-strong, vapour permeable underlay is suitable for installation on a warm or cold roof design.

Specification Value
Weight, g/m ² 145
Water Tightness (Class) W1
Water Vapour Transmission (sd), m 0.03
Water Vapour Permeability g/m ²/day 1342
Tensile Strength Longitudinal/transverse N/50mm 430/370
Nail Tear Strength Longitudinal/transverse N 320/340
Fire Rating Class E
Temperature -40 °C to +80 °C
UV Exposure 4 Months
Vapour resistance, MNs/g-1 0.15

This breather membrane conforms with many standards including BS 3177, it is CE certified, holds a BBA certification (Cert No. 99/3622), and is covered by Klobers 10-year guarantee.

It is suitable to use in wind zones 1-4 if using battened laps and 1-5 if laps are secure with tape.

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