Installing Trim Before Roofing

Painting before installing trim can be a major energy and time saver provided you have the space to do it.

Installing trim before roofing.

Rake board trim is an overhang from a pitched roof. This should be used in valleys points where 2 sections less than 140 degrees meet and as end caps over the tops of 2 sides that meet. For the best results purchase pre primed boards whenever possible. 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.

Roof trim is a general term for many parts of the roof that must be installed when shingling a roof. Most roof trim is installed before shingling but not all of it. This is the metal trim similar to the eave flashing except that it is placed over joints in the roof where different sections meet. Metal roofing 101 diy steel roofing installation over shingles subscribe.

10 panel wood screw space according to the recommended fastening pattern and local codes. Do you need to install eave or fascia for a metal roof. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Install the roofing screws vertically along each rib in the panel.

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. Place the first screw. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.

Numbers give suggested sequence for trim installation steps. 9 roofing panel install with lower edge 1 above the transition bend. The rake board serves as the starting place for the shingles.