173 Alfa Rufol UDB-A 165 SK (self-adhesive roofing underlay)
roofing underlay, sarking membrane, sheating membrane. Has the same characterisitcs as Alfa Rufol UDB-A 165 but with two additional self-adhesive strips.Details ...
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| Item-No. | Measures | Packacking Unit |
| 173 5015 SK (002) | 1,5 m x 50 m (75 m²) | Carton (2 rolls) |
| 173 5015 SK (020) | 1,5 m x 50 m (75 m²) | Pallet (20 rolls) |
| 173 5015 SK (060) | 1,5 m x 50 m (75 m²) | 3 Pallets (60 rolls) |
A-classified roofing underlay for pitched roofs with two self-adhesive strips
Alfa Rufol UDB-A 165 SK is the A-classified (ZVDH), driving rain-proof, high diffusion open
roofing underlay (sarking membrane / sheating membrane) with two integrated self-adhesive strips. It is to be applied above the thermal insulation.
Suitable for the direct installation ontop of the thermal insulation. Alfa Rufol UDB-A 165 SK avoids, thanks to the double sealing strips, the penetration of humidity (e.g. due to driving snow) and the penetration of dirt into the insulation.
The 3-layer structure protects the functional membrane from damages and reduces the slipping risk for the processor.
Easy handling: Auxiliary lines allow exact overlaps, the self-adhesive strips a windtight sealing.
- meets the requirements of ZVDH and EnEV!
- with two integrated self-adhesive strips
- high diffusion open
- step-proof
- driving rain-proof
- UDB-A / USB-A according to ZVDH
- weight 165 g/m²
- temperature resistance -40 up to +100°C
- tear resistance (nail) >200 N/50mm
- fire behaviou class E (EN 13501-1)
- sd-value 0,02m
- watertightness W1 (EN 13895-1)
- CE-certified
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