Ridge - and / or ridges ventilation element with a variable central part of a non-combustible fabric

摘要

Ridge - and / or as a ridge ventilation element characterized in that it is an air-permeable, one-piece, preferably of fire resistant central part of any desired fibers, particularly preferably from fire resistant fibers, preferably of natural color strength or dyed, woven, twisted or spun glass -, mineral - or ceramic fibers, rock fibers, carbon fibres, aramide fibers, or a mix of this type of fibers in tissue - / knitted fabric - / braiding and / or scrim, this also conceivable with additionally compressed edge regions.