Nordtex UD: tongue-and-groove panels open for diffusion, which can be used as a layer to reinforce the main insulation - under the roof or as the external layer in the wood-framing of enclosure walls. It has enhanced water resistance. Thickness: 22, 35, 52, 60 mm. Dimensions: 577 x 2477 mm. Density: 270 kg/m3. Heath conducivity: λn=0,048W/mK. Diffusion resistance factor: u=5. Compression strenght: 200 kPa. APPLICATION: External insulation layer, Panels under the roof - secures hydro-insulation in pent roofs, Temporary roof-decking for a maximum of 3 months, external sheathing of framework and stonework-constructed enclosure walls.