PERMAVENT APEX WIND UPLIFT RESULTS. BS 5534: 2014 Code of practice for slating and tiling. 1.5m x 50m Roll. Our latest product range includes artificial grass. Artificial Grass >>. (Wind Zones in the UK for underlays used for specific applications as described in BS 5534).
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PERMAVENT APEX WIND UPLIFT RESULTS. BS 5534: 2014 Code of practice for slating and tiling. 1m x 50m Roll. Our latest product range includes artificial grass. Artificial Grass >>. (Wind Zones in the UK for underlays used for specific applications as described in BS 5534).
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Length: 50m. - equipped with special anti-reflective coating preventing the occurrence of light reflections. Water vapour resistance EN 1931 2,0 108m2 sPa/kg +/- 10%. Watertightness (2 kPa) EN 1928 - Class W1.
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ONCE I'M GONE THEY WILL RAISE THE PRICES. SAVING YOU 20%. THEY CAN ONLY ABSORB THIS LOSS UNTIL I'M FORCED OUT. Can be left exposed for four months without losing its full performance. Elongation at max.
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BS 5534: 2014 Code of practice for slating and tiling. Elongation at max. tensile force (MD), % 100. tensile force (CD), % 100. Maximum tensile force (MD), N/50mm 240. Water vapour transmission (sd),m 0.02.
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The best product on the market. Lots and lots of tests verify how good this is. Just Google it.
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Allows the roof to breathe, so eliminates condensation, whilst providing secondary protection against rainwater ingress. Protects roof slate and tile - reduces wind uplift. (3ft 3in) x 50m. The products are designed to be installed by competent and experienced installers of slates and tiles.
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Full BBA and IAB approval. Maximum tensile force (MD). Elongation at max. tensile force (MD). Maximum tensile force (XD). Mass per unit area. tensile force (XD). · Can be left exposed for up to 4 months.
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