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.

Open framing substrates the open frame substrate uses wood or metal framing members such as bar joists or min. When installing the metal panels shown in this booklet over a curved arch the. Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails. When installing a metal roof over an existing roof before installing the.

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. The sheet steel is then passed through rollers to give it shape and stiffness. The standard fastening pattern is permitted over the rest of the sheet. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Framing a roof is the last step in framing new construction. 16 gauge purlins to secure the metal roof panels. Install the roofing screws vertically along each rib in the panel. Place the first screw.

It then goes through a painting coating process to give it colour and protection from the elements. 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.