Installing Metal Roofing Over Zip Sheathing

Metal panels over zip system sheathing.

Installing metal roofing over zip sheathing.

Do need to rack the house with sheathing on walls or cross bracing. When installing new shingles or roofing over existing zip system sheathing you first need to install an additional code approved roofing underlayment due to the amount of nail holes left behind from the previous roof covering. Install the roofing screws vertically along each rib in the panel. 5install metal panels or shingles.

Use the reinforced solitex mento plus roof underlayment on top of your rafters. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. The peel and stick underlayment overlaps the zip wall panels by about 3 to 4 inches. Take care the first piece is aligned precisely perpendicular square to the edge.

Do not wear footwear with worn soles or heels. Installing zip system sheathing in a roof application. Always begin working at the point with the longest peak to eave distance. Add the metal panels.

More about wall and roof sheathing. Work toward the ridge. This poster is a portuguese translated overview of typical zip system sheathing details for roof applications and is formatted to be used as a printable jobsite poster. The roof has continuous ventilation under the metal from eave to ridge.

Tate hudson a product application specialist with huber engineered woods replies. Secure the metal panel to the deck by drilling 1 1 2 inch galvanized metal screws through the peak of the rib in 12 inch to 16 inch intervals. Add purlins on top of this for venting and drainage then add horizontal purlins to mount the metal roof to. Taped zip panels qualify as roof underlayment in most cases.

Document share jobsite poster for zip system roof sheathing portuguese. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line. This means that you don t need to install tar paper or synthetic underlayment over the roof sheathing before installing the roofing. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

The exceptions are where the local building code or roof covering manufacturers require a membrane type underlayment. Ensure the roofing surface is free from oil chemicals sawdust dirt tools electric cords air hoses clothing and anything else that might create a tripping hazard. Overlap the edge of the roof by 1 inch. Install temporary toe boards along the zip system sheathing roof surface.