Roof Soffit Details

A gable roof has a cornice along the side walls formed at the rafter ends.

Roof soffit details.

Homes that have gable roofs the classic roof style with triangle topped walls at each end also have fascia running up the gable ends of the roofline. Make 45 degree cuts on panels using the 45 degree feature on your soffit table. When you do use a flat soffit make sure to include a raised heel on the truss. This pulls the eave up giving height to the roofline as well as keeping the eave clear of the window head height.

The substructure to which the metal panels are fastened must be properly spaced and sufficiently thick to provide a roof or wall system able to meet required design loads. All the roof edges are eaves no gable ends so flat soffits continue around corners. At roof venting intake outlet ratios. Soffit panels metal roofing soffit systems mbci.

Metal roofing specifications cad pdf drawings testing bim. Cathedral ceilings require the same continuous air barriers and balanced soffit and ridge vents as attics. Fascia and soffit construction details most houses have fascia running along all of the eaves the overhangs at the bottom of the roof. Gable end details for closed eaves.

Closed eaves with flat soffit and raised heel. Cathedral ceiling ventilation details. 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. 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.

Hip roofs are pyramid shaped so all the roof surfaces slope up from the eaves. Soffits are actually part of the cornice or eave the point where the roof projection and the side walls of the building meet. Fit soffit around corners by installing back to back j channel or miter divider to handle the splice. A 2 nominal lumber thickness provides the maximum pullout values for both screws and nails when the fasteners penetrate a minimum of 1 into the wood.

Hip roofs have a continuous cornice that extends completely around the building. Details of soffit intake to ridge vent outlet ratios are.