Polytex® Fassade FR
Polytex® Fassade FR is a breathable waterproof membrane that can be applied as protection of the insulation layer and construction behind a partially open exterior wall. Polytex® Fassade FR has a fire class of B-s1 d0.
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Polytex® Fassade FR
Polytex® Fassade FR is a breathable waterproof membrane that can be applied as protection of the insulation layer and construction behind a partially open exterior wall. Polytex® Fassade FR has a fire class of B-s1 d0.
1.50 x 50 m Article No. 8221015000
1.50 x 50 m Article No. 8221015001 (with integrated adhesive strip)
Applications
Polytex® Fassade FR is resistant to partial UV loads as may occur with a slatted facade or otherwise exposed exterior facade. The membrane is also suitable as a waterproof breathable roof membrane under tile roofs that do not close exactly (e.g. old Dutch tiles).
Installation
Polytex® Fassade FR should be applied to the outside (the cold side) of the insulation layer. The area of openings in the external façade should not exceed 20% of the façade area where each opening should not be wider (or higher) than 20 mm. Always attach Polytex® Fassade FR with stainless steel staples. Attach Polytex® Fassade FR to wooden slats. Spacing of slats: centre-to-centre 300 mm vertically, centre-to-centre 600 mm horizontally. Between the cladding and Polytex® Fassade FR at least 20 mm air cavity should be maintained. Allow Polytex® Fassade FR to extend at least 100 mm beyond the bottom line and tape to underlying structure with VASTR® Facade tape. For optimal water resistance and durability, VASTR® Butyl tape should be applied under the batten. Finish facade openings and recesses with VASTR® Facade tape.
Advantages
Fire class B-s1-d0
Waterproof
Vapor-open
UV-resistant for use in partially open facades
Windproof
UV-resistant for use under tile roofs that do not close exactly (e.g. old Dutch tiles)
Specifications
Weight 210 gr /m²
Fire class B
Water tightness W1
Water vapour resistance Sd 0.04 m
Water vapour transmission 470 g / m² / day
Tensile strength machine direction initially 300N / 50 mm
Tensile strength cross direction initially 200N/ 50 mm
Elongation machine direction at break 25%
Elongation cross direction at break 25%
Nail tear resistance machine direction initial length 120N
Nail tear resistance cross direction initially 120N
Temperature resistance -40°C/80°C
Open construction phase 2 months
