Ventilated Lead Roof

Vents model cqssm1 30 00 30 00.

Ventilated lead roof.

All lead sheets should be laid onto a through ventilated substrate. Airtrak is a proprietary range of ventilators designed specifically for the ventilation of roof voids. Critter quitter critter quitter small size plumbing vent repair for 2 1 2 in. Roof vents create an additional roof penetration essentially another place of vulnerability where leaks can occur.

Roof flashing vent boot galvanized steel vent pipe flashing vent pipe flashing vent pipe flashing 3x8 roofing drain cover for roof. Insufficient ventilation can lead to moisture problems during the winter and decreased energy efficiency during the summer but too much ventilation can be just as bad if not worse. That means the decking which supports the lead sheet should have a minimum of a 50mm through ventilated void underneath the decking and the ventilated pathway should have no stagnant air pockets. Lead flashing 1 1 2 in.

For instance a lead bay on a roof with a pitch of up to 3 degrees differs in. Where a warm roof is used a ventilation void should be provided between the insulation and the timber decking supporting the lead if there is sufficient height available. Continuous or individual soffits. For guidance on the amount of ventilation required reference should be made to british standards 5250 and 6229.