How Do You Frame For A Metal Roof

Then remove the rest of the roof including all the shingles.

How do you frame for a metal roof.

Snap a chalk line horizontally across the roof two feet down from the top. Place corner pieces where panels will meet bends at the edge of the roofing. When you are done you will see the bare bones of the roof frame and plywood sheathing i e. Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.

The decking of a roof is typically a plywood layer that is fastened directly onto the rafters. Remove any nails sticking out and reposition any metal gutters so that water flows properly off the roof. 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.

The plywood covers the entire roof and is solidly attached to the rafters providing a sturdy base for both insulation and metal roofing panels. Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house. 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. Take care the first piece is aligned precisely perpendicular square to the edge.

Lay the first purlin at the ridge of the roof down to the chalk line beginning at either corner. 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. How to building frame a roof by steel frame amazing smart techniques practical implementation. The old wood that was under the shingles.

Use your neoprene washer head screws to secure the metal to the sheathing. Space the screws about 12 in 30 cm apart down the entire piece of metal. 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.