A membrane made of a compound based on bitumen modified with polypropylene and with a reinforced perforated glass fiber reinforcement with talc on one side and with polyethylene on the other side.
USE:
POLYVENT is used as first layer for the application on moderate slopes of waterproofing membranes on roofs with strong strong
termal expansions or it can be used on flat roof with strong vapour production like vapour diffusion layer.
Technical data sheet
Keep in touch
Subscribe to our newsletter to get Mapei news
