Flat Roof Fascia And Soffit Detail

Selecting panels based on roof slope.

Flat roof fascia and soffit detail.

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. These are called lookouts. Hori zontal panel lap joints are not acceptable. Flat soffit stopping at end wall.

Downspout strap detail. This is a detail to avoid at all costs. For the fascia use noncombustible or fire resistant materials e g fire retardant treated. A flat soffit reduces the potential for entrapment of embers and hot gases.

Soffits and fascia provide the roof with a finished look. The underside of the roof decking. Use flat horizontal soffits see figure 3 instead of attaching the soffits to the sloped joists which creates sloped soffits. If you are not able to use an angled soffit use one of the two flat soffit details illustrated below.

Fascia vented soffit system 1 jt infiltration wrap depont. 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. Detail for attachment to metal panel siding or fascia. Request a quote today.

Epdm closures and metal top closures shall be caulked around their entire perimeter. The roofing fascia soffit system shall be installed plumb straight and true to adjacent work. Mbci soffit panels feature concealed fasteners behind a flush face creating a clean appearance ideal for any design. 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.

On narrow eaves the rafter ends serve to fasten the soffit and fascia. There is no reason to use a pork chop eave. 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. Roof clips shall allow for thermal movement and shall be installed at each panel joint.

Wide eaves require additional nailing supports running from the rafter ends fascia board and back to the house wall.