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Underlays WÜTOP PERFECT
Long-term outdoor weathering and high temperature resistance in standard class
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- WÜTOP Perfect is a highly water vapour permeable underlay with a special membrane. It is laid directly on the heat insulation or formwork of ventilated and unventilated pitched roofs, with two self-adhesive strips
- Airtightness membrane: Suitable as an airtightness membrane in accordance with EN 12114 in conformity with 13859-1/-2. Used as an airtightness membrane with water vapour permeable insulation, e.g. soft wood fibre insulation board. The airtight membrane can be used to construct verification-free roof structures in accordance with DIN 4108-3. For roof structures that deviate from this standard, verification can be provided in accordance with DIN 4108-3, Annex D.
- The special membrane with its increased grammage results in an increase in performance in outdoor exposure
- When combined with a WÜTOP vapour retarder/barrier and EURASOL adhesive tapes, it can be used to create modern airtight structures
- Suitable as temporary roofing with an outdoor exposure time of up to six weeks
- Technology: 3-layer, polypropylene-based non-breathable membrane with special functional membrane
- Reliability due to the PP top fleece, which reduces the risk of slipping and protects the inner membrane through its 3-ply structure
Please refer to the current ZVDH (German Central Association of the Roofing Trade) directives and instructions for laying this product.
Use as breathable membrane (UDB) and non-breathable membrane (USB)
Airtightness membrane
- Suitable as an airtightness membrane in accordance with EN 12114 in conformity with 13859-1/-2
- Used as an airtightness membrane with water vapour permeable insulation, e.g. soft wood fibre insulation board
- The airtight membrane can be used to construct verification-free roof structures in accordance with DIN 4108-3
- For roof structures that deviate from this standard, verification can be provided in accordance with DIN 4108-3, Annex D
Suitable as temporary roofing/outdoor exposure time of 12 weeks
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