Flat Roof Soffit Detail

My question is what to do when joining the fascia to the roof joists and how to mount the soffit to it.

Flat roof soffit detail.

Mbci soffit panels feature concealed fasteners behind a flush face creating a clean appearance ideal for any design. It will have a flat roof and i m considering a grp covering. On two sides the roof abuts a parapet a short wall common around flat roofs as well as a wall for the third floor. 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.

Hip roofs have a continuous cornice that extends completely around the building. I found an excellent youtube how to for the grp bit just need a bit of help with the fascia and soffit detail. If you are not able to use an angled soffit use one of the two flat soffit details illustrated below. To keep water from pooling at these inside corners tom rips 2x4s lengthwise on a 45 degree bevel with a table saw.

Soffits are actually part of the cornice or eave the point where the roof projection and the side walls of the building meet. There is no reason to use a pork chop eave. A gable roof has a cornice along the side walls formed at the rafter ends. 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.

Request a quote today. Flush soffit is traditionally used to finish out the eaves of a roof and as part of a roof venting system with a ridge cap. Here the rubber roof will need to run up the walls and glue to the sheathing. 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.

This is a detail to avoid at all costs.