DAFA undertagsventil anvendes til at sikre ventilationen gennem undertagsduge og kan anvendes til alle diffusionsåbne -og tætte undertag samt faste undertage.
DAFA roof decking vent
DAFA roof decking vents are used to ensure ventilation through the roofing membrane and can be used for all vapor permeable and impermeable roofing and solid roofing. They can be installed quickly and efficiently in the roofing, from the inside or outside. This is a big advantage, as it is often difficult to retrofit vent outlets from the outside.
DAFA roof decking vents are made of UV-resistant polypropylene/TPE.
Effectively ventilate the roof cavity, protecting against moisture and rot
Can be installed quickly and efficiently, from the inside or outside, thanks to a ‘snap-lock’ system
The rim seals tightly when you pull hard on the plastic strip
Can be installed in all materials
Variable dimensions, 0.2-25mm
Installation only requires one person
56 cm² ventilation area
DAFA roof decking vents is included in the Nordic Ecolabellings database of construction products that can be used in Swan-labelled buildings.