Framing For A Steel Roof

Install the roofing screws vertically along each rib in the panel.

Framing for a steel roof.

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

Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. These members may be individual pieces of wood formed steel or truss like members built from multiple individual pieces. While you re at it some carpenters. 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.

In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Line up the square with the plumb line then rotate it 180 degrees realigning the square on the other side of the. Measure your seat cuts.

Start by marking the plumb line the horizontal line that marks where the wall will meet the rafter. This allows the panels to be securely attached to the rafters for maximum stability. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.