Installing Trim Before Roofing

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.

Installing trim before roofing.

Numbers give suggested sequence for trim installation steps. Install the roofing screws vertically along each rib in the panel. 9 roofing panel install with lower edge 1 above the transition bend. Rake board trim is an overhang from a pitched roof.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Our host david mackey discusses techniques used in installing eave trim with exposed fasteners using the sl 16 standing seam roofing system from american bui. The rake board serves as the starting place for the shingles. Be sure to cut this metal at the correct angle before installing it.

Most roof trim is installed before shingling but not all of it. Metal roofing 101 diy steel roofing installation over shingles subscribe. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. Do you need to install eave or fascia for a metal roof.

Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only. Here is a short video showing how. 10 panel wood screw space according to the recommended fastening pattern and local codes. For the best results purchase pre primed boards whenever possible.

It can be a simple board or it may include a frieze board soffit and fascia. This is the metal trim similar to the eave flashing except that it is placed over joints in the roof where different sections meet. Place the first screw.