MED ANGSPERR UTRUSTAD BYGGSKIVA ELLER AV BYGGSKIVORNA TILLVERKAT BYGGELEMENT

摘要

The penetration of water vapour into a wall structure comprising a building board, or building component made therefrom is reduced by coating the said board or component on the surface which faces the warm or humid space with a moisture-impermeable layer of a polyvinylidene halide, especially polyvinylidene chloride.