Product description
Glidevale GPA Slate And Tile Vent Duct Adaptor
This glidevale universal extension sleeve should always be used with all the tile and slate ventilators. It ensures that the roof underlay is cut and that there is a continuous permanent weatherproof path from the roof void to the outside without impairing the weatherproof function of the structure, in accordance with BS 5250. It has a simple snap-fit connection to the underside of the ventilator on site before the ventilator is installed