OMEGA UDOS 330 TOPGRIP Roofing Underlay Membrane

Description

The OMEGA UDOS 330 TOPGRIP roofing underlay membrane is designed to provide reinforced protection against rain, in accordance with the ÖNORM B 4119 standard. It is suitable for ventilated pitched roofs and can be installed directly over thermal insulation or wood sheathing. This membrane is vapour-permeable, weldable, and compliant with the Swiss Building Envelope quality label. Main features: Weather exposure: Up to 12 months. Minimum roof pitch: ≥ 1.5° (with welded joints) ≥ 5° (with SK DUO) Surface: Non-slip nonwoven with 2 integrated adhesive strips. Standards: UDB-A classification (ZVDH guidelines). SIA 232/1 standard for exceptional loading. Composition: PES membrane with bilateral TPU coating. Fleece coating on top. Sd value: 0.25 m Longitudinal elongation (EN 12311-1): 50% (± 40) Transverse elongation (EN 12311-1): 60% (± 40) Longitudinal tensile strength (EN 12311-1): 420 (± 80) N/50 mm Transverse tensile strength (EN 12311-1): 430 (± 80) N/50 mm

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