Mr Jan from Lubien chose a product from Isover, dedicated to insulating flat roofs. Dachoterm is most often used in a multi-layer roofing system as the bottom layer.
Wool for flat roof Isover DACHOTERM SL 37 100mm, Lubien, Poland
The thermal conductivity coefficient lambda λD is 0.037 W/mK and the density of this wool is 100 kg/m³. Stone wool boards for use on the exterior and interior of buildings for thermal, acoustic and fire insulation. Other available thicknesses in mm: 80, 90, 100, 110, 120, 130, 140, 150, 160, 180, 200
Mineral wool for insulation and acoustic insulation of flat roofs (unventilated flat roofs) of steel or concrete construction in a single or double layer system.