Vapour-permeable (breather) underlay for roofings.

Store protected against rain
CE mark
Store protected against atmospheric exposure, especially sun-radiation and other heat sources
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Resistance to water penetration or water-tightness (Class W1)

Straightness: <30 mm/10 m
Mass per unit area: 150 g/m2 (±)5%
Reaction to fire: E
Resistance to water penetration: W1
Water vapour transmission (Sd): 0,30 m
Tensile strength (MD/XD): 510 N/5 cm (±20%) / 500 N/5 cm (±20%)
Elongation at maximum tensile force (MD/XD): ~20% / ~20%
Resistance to tearing (MD/XD): 420 N/200 mm (±)20% /430 N/200 mm (±)20%

Flexibility at low temperature: (-)30°C
Changing of properties after artificial ageing:
Resistance to water penetration:
Tensile strength (MD/XD): max 25% / max 25%
Elongation (MD/XD):
max 25% / max 25%
Additional properties:

Temperatur resistance: (-)40°C – (+)100°C
Resistance to UV:
max. 3 months

Standard roll size: 1,5 m × 50 m = 75 m2/roll

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