Gable Roof No Overhang

With different slopes with wide gable end and overhang construction.

Gable roof no overhang.

I reshingle this past year and pulled out old r14 insulation and retaped as many as visually possible areas of vapour barrier leaks cuts in material etc. No other supports are put in place so the only thing holding up the eave is the roof plywood plus the fascia at the bottom of the eave. The other common wind related failure at gable ends is uplift of the roof decking at the overhang. The exposed edges of the 3 layers of rigid insulation are no longer exposed.

We typically nail 2 x6 x9 1 2 blocks 2 on center on the outside of the gable sheeting then nail a 2 x6 eave to the blocks and the roof plywood to form the gable overhang. We will protect shade the west windows with cedar awnings grates. Uplift of roof decking at the overhang. Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation.

This can be from two causes. Warming trends in january and again in april cause the roof strate to warm and evidently i had condensation ptoblrms no soffit vents but do have small gable end vents. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. We love the look of the no overhang scottish style roof line as well.

With the west east overhangs the main use is siding window protection and keeping rain snow from foundation. Of the many ways that gable end overhangs are built the two most common ways are the use of ladder details and outriggers ladder details are usually adequate if the overhang is less than about 8 inches although they are frequently used for longer overhangs. However for larger extensions you ll need to hire a professional to get up there and remove large portions of the roof before extending the overhang. Extending a gable roof can be tricky since it involves working on the roof but you may be able to do it yourself if you only need to add 1 2 2 inches 1 3 5 1 cm.

With our house we are planning minimal east and west overhangs and ample south and north overhangs. When planning how to build a gable roof you should know that there are several types of gable roofs. Venting solutions for roofs with no overhang or soffit install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles.