Framing For A Steel Roof

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.

Framing for a steel roof.

These members may be individual pieces of wood formed steel or truss like members built from multiple individual pieces. For longer slopes and lower roof pitches contact fabral for other suitable profiles. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. 16 gauge purlins to secure the metal roof panels.

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. 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. This allows the panels to be securely attached to the rafters for maximum stability.

Line up the square with the plumb line then rotate it 180 degrees realigning the square on the other side of the. While you re at it some carpenters. Install the roofing screws vertically along each rib in the panel. Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage.

Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. Place the first screw. You should be able.