Ms. Bogumila from Trzebnica, near Wroclaw, is building a house and to insulate the attic, she used glass wool on a roll manufactured by Knauf, with one of the lowest lambdas available on the market - 0.032 W/Mk.
Loft wool Knauf UNIFIT 032 100mm, Trzebnica, Poland
The thermal conductivity coefficient lambda λD is 0.032 W/mK and the density of this wool is 34 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: 50, 60, 80, 100, 120, 140, 150, 160, 180, 200
Mineral wool for thermal insulation and insulation in usable and non-usable attics and lofts: above the rafters, between the rafters, under the rafters as well as suspended ceilings and knee walls (so-called dry construction).
Mineral wool for insulation and insulation of walls from the inside, construction of partition walls, pre-walls, partition walls and industrial pre-walls.
FRAME CONSTRUCTIONS, CEILINGS, FLOORS ON JOISTS
Mineral wool for insulation and insulation of: floors on a grid, industrial ceilings, ventilated flat roofs, floors on joists on a wooden or steel structure, suspended ceilings, external and internal walls of frame houses and wooden houses.