Träullit is a traditional family business, founded in 1946 by Lennart Rääf. Today it is led by the son of Bengt Rääf. The company has since made wood wool panels and wood-wool slabs of cement-bound wood wool. Woodwool spruce, a fantastic material, sprung from our nature, joined with pure cement, provides unique characteristics to your house. Properties that provide very good heat insulation, high heat storage capacity, good sound absorption, documented high resistance to fire, mold and rot, mechanically strong and good plaster base. Our head office and factory is located in Österbymo in southern Östergötland.