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AIRSTOP DIVA+ Vapour Retarder fabric- reinforced
AIRSTOP DIVA+ Vapour Retarder fabric- reinforced
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Expertly designed to provide superior protection against moisture and air infiltration, the AIRSTOP DIVA+ Vapour Retarder is a must-have for any construction project. This airtight membrane is reinforced with fabric for added strength and durability. Keep your building safe and secure with this trusted industry product.
Moisture-variable, fabric-reinforced vapour retarder for use in the air-tight layer. High back-drying potential with adequate sun exposure.
PRODUCT DETAILS
A moisture-variable vapour retarder for use in the air-tight layer. The functional membrane changes its diffusion resistance depending on the current humidity. During the winter months room atmosphere is generally dryer. The sd-value of the vapour retarder increases. This process results in the penetration of only a little water vapour into the construction and/or into the insulation. In summer, when there is sufficient solar insolation, the relative humidity behind the membrane is higher as a result of reverse diffusion. The water molecules are stored in the membrane. The sd-value sinks, causing more water vapour to escape from the construction and into the rooms and the building element becomes dryer.
| Material Composition | Non-woven composite made from polymers with filament reinforcement |
| Colour | Transparent white with blue print |
| Weight | 110 g/m² |
| Weight per unit area | (± 5 %) |
| Weight per unit area | EN 1849-2 |
| sd-value | 0.5 m |
| sd-value | 30 m |
| sd-value - Standard | EN ISO 12572 |
| Temperature resistance | -40 °C |
| Temperature resistance | 80 °C |
| Elongation - lengthwise | 20% |
| Elongation - crosswise | 20% |
| Elongation | EN 12311-2 |
| Tensile strength - lengthwise | 350 (± 20) N / 50 mm |
| Tensile strength - crosswise | 315 (± 20) N / 50 mm |
| Tensile strength | EN 12311-2 |
| Tear propagation resistance - lengthwise | 350 N (-25 / +35) |
| Tear propagation resistance - crosswise | 375 N (-25 / +35) |
| Tear propagation resistance | EN 12310-1 |
| Storage |
cool and dry |
PRODUCT ADVANTAGES
- flat roofs
- construction components with permeable and impermeable outer shell in new constructions and refurbishment
- for wall, ceiling and roof
- transparent
- moisture-variable with a very high sd-value range
- printed cutting line
- tear resistant
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