Framing For A Steel Roof

Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.

Framing for a steel roof.

The open frame substrate uses wood or metal framing members such as bar joists or min. 16 gauge purlins to secure the metal roof panels. These members may be individual pieces of wood formed steel or truss like members built from multiple individual pieces. Start by marking the plumb line the horizontal line that marks where the wall will meet the rafter.

Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. Line up the square with the plumb line then rotate it 180 degrees realigning the square on the other side of the. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. How to building frame a roof by steel frame amazing smart techniques practical implementation.

You should be able. While you re at it some carpenters. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Place the first screw.

Install the roofing screws vertically along each rib in the panel. When placing rafters for a tin roof also frequently referred to as corrugated metal or steel it is common to set the distance between rafters based on the size of the roofing panels. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels.