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.
Framing for a sheet metal roof.
Place the first screw.
Framing a roof is the last step in framing new construction.
When a metal roofing sheet must be installed on a curved roof screws should be installed at every overlapping rib at the sheet ends to resist the natural tendency of the metal to spring back.
It then goes through a painting coating process to give it colour and protection from the elements.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Open framing substrates the open frame substrate uses wood or metal framing members such as bar joists or min.
Install the roofing screws vertically along each rib in the panel.
The standard fastening pattern is permitted over the rest of the sheet.
Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails.
When installing the metal panels shown in this booklet over a curved arch the.
Use a tool belt that has a hammer loop to hold nails a measuring tape chalk line and a hammer when installing the wood.
The sheet steel to form the panels is delivered to the roofing factory in a pre galvanised coil.
The two main types of substrates used with metal roofing systems are open framing and solid substrates composite or plywood.
16 gauge purlins to secure the metal roof panels.