Open Eave Roof Detail

Mc10 raised fascia.

Open eave roof detail.

A box eave is enclosed with a soffit. Doing so raises the eave which prevents it from conflicting with the window head height. Mc10a down slope eave details. When you look at the open eave detail you see the rafter tails the blocking and the roof sheathing that extends beyond the exterior wall.

A normal generic assembly could consist of 2x rafter tails acx plywood sheathing and 2x4 or 2x6 blocking between the rafter tails. An open eave has a pronounced overhang often revealing projecting roof beams or brackets. Mc08a roof layout quick reference. Craftsman an architectural style often used on bungalows in the early 20th century featured.

Mc08 roof layout. For more information on eave construction or other fire code requirements please refer to the county s wildland urban interface summary document pds 664 or contact the county s building department fire services division at 858 565 5920. Mc09 suggested loading guide. A roof can come to an end in basically three ways.

Mc10c low slope ventilated eave detail. Open eaves with trusses when designing an open eave with roof trusses make sure that you raise the heel of the truss and use a thicker top chord.