Installing Metal Roofing Over Zip Sheathing

Document share jobsite poster for zip system roof sheathing portuguese.

Installing metal roofing over zip sheathing.

Add the metal panels. 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. The peel and stick underlayment overlaps the zip wall panels by about 3 to 4 inches. Tate hudson a product application specialist with huber engineered woods replies.

5install metal panels or shingles. This means that you don t need to install tar paper or synthetic underlayment over the roof sheathing before installing the roofing. The roof has continuous ventilation under the metal from eave to ridge. Metal panels over zip system sheathing.

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. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. To create overhangs on this house the architects designed a very cool over roof with 2 bys. 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.

Take care the first piece is aligned precisely perpendicular square to the edge. Add purlins on top of this for venting and drainage then add horizontal purlins to mount the metal roof to. Do not wear footwear with worn soles or heels. Always begin working at the point with the longest peak to eave distance.

Install the roofing screws vertically along each rib in the panel. 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. Taped zip panels qualify as roof underlayment in most cases. Install temporary toe boards along the zip system sheathing roof surface.

Installing zip system sheathing in a roof application. Overlap the edge of the roof by 1 inch. The exceptions are where the local building code or roof covering manufacturers require a membrane type underlayment. 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.

Begin on the left side of the roof working to the right. More about wall and roof sheathing. Install the first metal panel on the low end of the roof square to the eave. 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.