Roof sleeve, stari shaped Aluminum foil, outside

Roof upper opening aluminium foil can be used both internally and externally. Self-adhering underside. The collar of aluminium foil is used on external roof areas as non-woven or bitumen and on basic constructions that have been pre-treated with primer or are moisture protected with polymer. Alternatively, the aluminium spigots can also be used in the same places as the power spigots.