Breathable vapour barrier. Laminated 4-layer building board with a reinforcing polyester mesh. Applied as breathable vapour barrier for walls and roofs. Particularly recommended for timber frame houses and log buildings. The material is placed leaving 10-15 cm overlaps which should be taped using the Tyvek tape or Tyvek Butil Tape. Properties of the material and the reinforcing polyester mesh provide easy application and high mechanical strength, particularly facilitating the installation of eco wool. The service life of ELT-KRAFT VCL reaches 50 years as required by the EU. State of origin: Finland. Izcelsmes valsts: Somija.