Finnish product, in some ways good quality. Tuohta is used as moisture insulation between the stone base and the log wall and is an excellent and long-lasting insulation material at all points where the wood meets the stone material or comes into contact with moisture. These straight pieces are well suited for wood, piles and peat roofs. Sold in pounds and pieces. Rakennusapteekki's that's without twig holes (less than 10% of the pints have holes) and is also suitable for crafting purposes.