Framing For A Sheet Metal Roof

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.

Framing for a sheet metal roof.

When installing the metal panels shown in this booklet over a curved arch the. It then goes through a painting coating process to give it colour and protection from the elements. Use a tool belt that has a hammer loop to hold nails a measuring tape chalk line and a hammer when installing the wood. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

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. Install the roofing screws vertically along each rib in the panel. The two main types of substrates used with metal roofing systems are open framing and solid substrates composite or plywood. Framing a roof is the last step in framing new construction.

The sheet steel to form the panels is delivered to the roofing factory in a pre galvanised coil. Open framing substrates the open frame substrate uses wood or metal framing members such as bar joists or min. Place the first screw. The standard fastening pattern is permitted over the rest of the sheet.

The sheet steel is then passed through rollers to give it shape and stiffness. 16 gauge purlins to secure the metal roof panels.