Flat Roof Fascia And Soffit Detail

Soffits custom soffit part general length gauge girth weight each lg 121 x 12 10 6 29 20 10 71 lg 121a x 14 10 6 29 22 11 75 lg 121b x 16 10 6 29 24 12 85 v groove soffit n.

Flat roof fascia and soffit detail. Downspout strap detail. If you must use a flat soffit stop the flat portion of the soffit at the wall to align with the corner board. Epdm closures and metal top closures shall be caulked around their entire perimeter. Soffits and fascia provide the roof with a finished look.

The underside of the roof decking. A ledger plate is fastened to the wall to attach the soffit at that location. If you are not able to use an angled soffit use one of the two flat soffit details illustrated below. Detail for attachment to metal panel siding or fascia.

For the fascia use noncombustible or fire resistant materials e g fire retardant treated. This is a detail to avoid at all costs. Wide eaves require additional nailing supports running from the rafter ends fascia board and back to the house wall. Both parts provide a finished look and keep bugs and critters out of your attic while soffits also play an important role in ventilating the attic.

Mbci soffit panels feature concealed fasteners behind a flush face creating a clean appearance ideal for any design. Hori zontal panel lap joints are not acceptable. These are called lookouts. There is no reason to use a pork chop eave.

The roofing fascia soffit system shall be installed plumb straight and true to adjacent work. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. The soffit is the flat panel that covers the underside of the rafters between the back of the fascia and the outside of the house wall. A flat soffit reduces the potential for entrapment of embers and hot gases.

Selecting panels based on roof slope. Roof clips shall allow for thermal movement and shall be installed at each panel joint. Use flat horizontal soffits see figure 3 instead of attaching the soffits to the sloped joists which creates sloped soffits. Fascia vented soffit system 1 jt infiltration wrap depont.

Learn more about the main things to consider when choosing a metal roof with regard to roof slope including building codes and minimum slope requirements.