Roof insulation plate consists of mineral fibers and, within a zone adjacent to the plate surface facing the building structure, is provided with a first impregnation impeding water vapor diffusion

摘要

The roof insulation plate (1) consists of mineral fibers and, within a zone adjacent to the plate surface (4) facing the building structure (6), is provided with a first impregnation (7) impeding water vapor diffusion, with a vapor diffusion impedance factor equal to or greater than 1000.