Description
- Underlay sheet with integrated nail sealing properties
- Perforation-safe acc. to ETA-19/0591
- Self-sealing of nails on pressure resistant surfaces
- High penetration resistance due to highly tear-proof polyester fleece with a special, breathable, watertight coating
- Suitable as sarking membrane on dimensionally stable insulation, and also as a formwork liner, as underdeck foil for slated roofs, and as separation layer underneath sheet metal roofs
- Conforms to the ÖNORM 3661:2018 acc. to UD type 1 / US
- Conforms to the ZVDH product data sheet for underlay sheets Class UDB-A and sarking membrane USB-A according to Table 1
- Suitable for temporary roofing with the provision that all FÖRCH system components are used
- For roof inclinations of min. 14° without additional nail sealing material
- For roof inclinations of min. 10° with additional nail sealing material
- Resistant to chainsaw oil and wood preservative
- Two integrated adhesive strips on the upper and lower sides for best adhesive bonds, even with unfavourable requirements:
– Adhesive strip width, bottom: 45 mm (+/-5 mm)
– Adhesive strip width, top: 80 mm (+/-5 mm)
| Dimensions (W × L): | 1.5 × 40 m | |||||||||
| Basis weight: | 240 g | |||||||||
| Sd value: | 0.15 m | |||||||||
| Fire behaviour: | class E | |||||||||
| Impermeability: | W1 | |||||||||
| Tensile strength (length-/crosswise): | 300 / 340 [N/50 mm] | |||||||||
| Temperature application area: | -40 °C to +100 °C | |||||||||
| Resistance to driving rain: | approved | |||||||||
| Classification in ZVDH (German Association | ||||||||||
| for the Roofing Trade) product data sheets: | UDB-A / USB-A | |||||||||
| Natural weathering time as temp. roofing: | 8 weeks |
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