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  Protection against radon gas
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  Seal around windows & doors
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  Sealing solutions for facades
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  Strong product match for the construction industry
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  Sealed systems, solutions, and products that contribute to energy savings
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DAFA AirVent System®

A complete range of products for ventilated or permeable roofing and wind barrier solutions. A system of thought-out solutions based on proven products for sealing roofs and exterior walls.

DAFA AirVent System

DAFA AirVent System®

A complete range of products for ventilated or permeable roofing and wind barriers. DAFA AirVent System is a thought-out solution based on thoroughly tested and documented products for sealing the building envelope – both the roof and exterior walls.

DAFA’s function and product warranty provides greater peace of mind

DAFA AirVent System is a proven and well-documented system solution. A very attractive function and product warranty of 15 and 30 years*, respectively, is therefore offered.

*only in Scandinavia

Products in the DAFA AirVent System

Undertag Roofoil 230 MH Plus 02

DAFA RooFoil 230 MH Plus roofing underlayment

DAFA RooFoil 230 MH Plus is a strong vapor-permeable membrane used for roofing underlayment

Undertag Roofoil230mh 07

DAFA RooFoil 230 MH roofing underlayment

DAFA RooFoil 230 MH is a strong vapor-permeable membrane used for roofing.

Roofoil 200 Undertagsfolie Rulle

DAFA RooFoil 200 roofing underlayment

DAFA RooFoil 200 is a strong vapor-permeable membrane that can be used for both roofing and wind barrier applications

Roofoil 150 Undertagsfolie Rulle

DAFA RooFoil 150 roofing underlayment

DAFA RooFoil 150 is a strong, vapor-permeable roofing membrane

Windfoil 130 Vindspærre Rulle

DAFA WindFoil 130 wind barrier

DAFA WindFoil 130 wind barrier is a 3.05 m wide strong, 3-layer vapor-permeable membrane used in lightweight outer wall structures.

Windfoil 95 Vindspærre Rulle

DAFA WindFoil 95 wind barrier

DAFA WindFoil 95 wind barrier is a 3-layer vapor-permeable membrane used in lightweight outer wall structures.

UV Facade Vindspærre Rulle

DAFA WindFoil 210 UV FirePro wind barrier

DAFA WindFoil 210 UV FirePro is a strong permanently UV-resistant, fire retardant and vapor-permeable membrane used as a wind barrier

DAFA UV tape

DAFA UV tape is ideal for taping roofing and wind barriers.

Undertag Klæb Pose

DAFA universal outdoor adhesive

DAFA universal outdoor adhesive is a specially made adhesive with excellent adhesive properties.

DAFA UV Rørkrave

DAFA UV universal pipe collar

DAFA UV pipe collar is a patented airtight solution for round or rectangular pipe penetrations through roofing or wind barriers.

DAFA UV Kabelkrave

DAFA UV cable collar

DAFA UV cable collars are used for sealing around electrical junction boxes and cable penetrations through roofing or wind barriers.

Kabelmanchet 115 Front

DAFA universal cable collar 115

DAFA universal cable collar 115 are used for sealing around cable penetrations through roofing or wind barriers.

Undertagsstrammer Web

DAFA roof decking tensioners

DAFA roof decking tensioners are used to tension all flexible roofing

DAFA roof decking tensioners Type 72 og 95

DAFA roof decking tensioners Type 72 og 95 are used to tension all flexible roofing

Undertagsventil Samlet

DAFA roof decking vent

DAFA roof decking vents are used to ensure ventilation through the roofing membrane

Vandbaseret Primer Fritlagt

DAFA water-based primer

DAFA water-based primer is used where better adhesion to the underlying surface is desired.

DAFA Klemlistebånd Rulle

DAFA counter-batten tape

Used between roofing and counter-battens and seals around screws and nails when the counter-batten is installed.

Need advice or got questions?

Competences to help all parties - in all phases of construction. Use this form to get in contact with our experts.

Download DAFA AirVent System brochure

Download DAFAs product catalog (Only in Danish and Norwegian)