Framing For Metal Roofs

Classic rib steel roof panel in charcoal.

Framing for metal roofs.

Start by marking the plumb line the horizontal line that marks where the wall will meet the rafter. Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails. Free delivery with 45 order. By amerimax 73 37 63 carton.

Basic steel framing tools are a screw gun adjustable torque 0 500 rpm bits and bit holders for structural steel to steel connections chop saw pneumatic pin nailer for steel to steel connections and sheathing to steel connections clamps aviation snips swivel head electric shear and a magnetic level. The open frame substrate uses wood or metal framing members such as bar joists or min. By metal sales 36 26 33. When installing the metal panels shown in this booklet over a curved arch the minimum.

You should be able. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Measure your seat cuts. 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.

To cut individual steel studs and tracks use straight cut aviation snips photo 1. Position the square at the end of the rafter board with the tongue on your left and facing away from you. When installing a metal roof over an existing roof before installing the. 16 gauge purlins to secure the metal roof panels.

Project panel corrugated 3 ft. While you re at it some carpenters. Place the first screw. By metal sales 216 45 65.

This allows the panels to be securely attached to the rafters for maximum stability. These members may be individual pieces of wood formed steel or truss like members built from multiple individual pieces. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. 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.

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. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. If you need to cut dozens of metal studs and tracks quickly use a circular saw fitted with a toothless carborundum metal cutting blade 7 when cutting individual steel studs or tracks with a circular saw cut on the closed or web side and support the piece tightly on sawhorses.

Universal ridge flashing in charcoal. Galvanized steel roof panel. Add the length of the overhang beyond this mark and.