![DAFA UV Rørkrave](/media/e5bd0sex/dafa-uv-rørkrave.jpg?anchor=center&mode=crop&width=690&height=460&rnd=132297010163430000&format=jpg&mode=Crop&quality=80,
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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 RooFoil 230 MH is a strong vapor-permeable membrane used for roofing.
DAFA RooFoil 230 MH is used in roofing applications as a self-supporting material in both ventilated and unventilated roof structures at gradients of more than 15˚.
Material
DAFA RooFoil 230 MH is a 3-layer membrane made from a combination of PP fabric and foil with high tear strength. The membrane is vapor-permeable with an Sd value of approx. 0.02 m. DAFA RooFoil 230 MH has a red surface with dotted lines on both sides to mark the overlap.
The moisture-absorbing felt on the back can absorb and temporarily store as much as 720g of condensed water per m². It ensures efficient drying and contributes to fewer condensation and moisture problems in the cold season.
Advantages