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Vapour barrier PE 150
A vapour barrier film an sd value of approx. 58.5 metres that meets the minimum KOMO requirement of 150 mu. For applications on the inside of constructions, such as interior walls and loft linings
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- Prevents heat loss caused by unnecessary airflow
- Prevents moisture penetration of internal heat insulation and, therefore, the impairment of the insulating effect
- PE 150 in combination with a roof film from the Wütop series provides year-round breathability for insulation and creates a healthy indoor climate
- PE 150 meets the minimum KOMO requirement of 150 mu
Installation instructions for between-rafter insulation
- Fix vapour barrier PE 150 to the warm side of the heat insulation using a staple gun (hammer tacker or hand-held stapler) and secure with battens
- The smooth side always faces toward the installer
- Vertical overlaps must always lie on a rafter
- Ensure sufficient overlap: Horizontal overlap: at least 10 cm (overlap strip), vertical overlap: approx. 20 cm
- All overlaps and penetrations must be given an airtight seal using suitable adhesive tape (Eurasol)
- For airtight attachment to masonry, the membrane is bonded using Wütop film adhesive and secured with a clamping batten, if necessary
- Take care not to damage the membrane during installation
- Before attaching the interior cladding (plasterboard, wood panelling etc.), check again that the vapour retarder has been correctly installed. Remedy if necessary.
Installation instructions for over-rafter insulation
- Vapour barrier PE 150 is ideal for use as a vapour retarder for over-rafter insulation
- Assembly: Same procedure as for between-rafter insulation
Installation instructions for renovation of old buildings
- Sharp objects (e.g. nails) that protrude from the interior cladding into the rafter area must be removed to avoid damaging the vapour retarder
- All overlaps and penetrations must be given an airtight seal using suitable adhesive tape (Eurasol)
- Recommendation: Secure vapour barrier PE 150 to the rafters using clamping battens
- Bond joints at the eaves (eave beams or masonry) using Wütop film adhesive. Additional mechanical fixing with clamping battens is recommended
- Vapour barrier PE 150 vapour retarder must not be used to renovate interiors where the humidity is consistently higher than 60%
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