DAFA RooFoil 230 MH is a strong vapor-permeable membrane used for roofing.
DAFA RooFoil 230 MH roofing underlayment
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˚.
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.
DAFA RooFoil 230 MH roofing underlayment is included in the Nordic Ecolabellings database of construction products that can be used in Swan-labelled buildings.