How Do You Frame For A Metal Roof

Metal should not be re bent once it has been formed nor should it be folded back on itself.

How do you frame for a metal roof.

Insert two equally spaced nails into the rafter. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. Then remove the rest of the roof including all the shingles. Remove any nails sticking out and reposition any metal gutters so that water flows properly off the roof.

The old wood that was under the shingles. Take care the first piece is aligned precisely perpendicular square to the edge. The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof. The plywood covers the entire roof and is solidly attached to the rafters providing a sturdy base for both insulation and metal roofing panels.

Snap a chalk line horizontally across the roof two feet down from the top. If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. Spacing of furring strips for metal roof when installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before. Fasten the purlin with 16d common nails into each vertical rafter.

Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. 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. How to building frame a roof by steel frame amazing smart techniques practical implementation. Lay the first purlin at the ridge of the roof down to the chalk line beginning at either corner.

Space the screws about 12 in 30 cm apart down the entire piece of metal. Place corner pieces where panels will meet bends at the edge of the roofing. The decking of a roof is typically a plywood layer that is fastened directly onto the rafters.