Insulating element for a flat roof or a flat sloping roof, the roof system for a flat roof or an inclined plane ceiling and method of producing an insulating element

摘要

Insulating element for thermal and / or acoustic insulation of a flat roof or an inclined roof plane, comprising: - a first layer (1) made of mineral fibers, especially fibers rockwool, - a second layer (3) made of at least one fabric, particularly a fleece which is impregnated, so that the second layer (3) is attached to a major surface of the first layer (1) by an adhesive (2), characterized in that - the second layer ( 3) is impregnated with an inorganic layer (6), especially lime and - the second layer (3) in combination with the load (6) has a permeability which allows gas hot air passing through the second layer (3 ) and close the second layer to the penetration of a glue or adhesive in the direction of the first layer (1).