Gap In Roof On Gable

How to install roof sheathing.

Gap in roof on gable.

This is a great question to ask because i ve seen many installers get this. The roof s sheathing helps to keep the roof trusses or rafters properly spaced. At the right of the roof along the gable end we see more drip edge being used to flash the roof gable end fascia trim and roof edge. An unvented roof assembly is possible only if you keep the roof sheathing warm enough to prevent conditioned air from condensing against it.

The map at right which is based on table r806 4 of the irc lists the minimum r values required to prevent condensation in unvented assemblies in various climate zones. Roof sheathing is a lot more than just flat panels onto which shingles are attached. The gables are the triangular shapes left on each end of the home created by the a shaped roof. The current vendor of the house claims that the reason for the gaps in the roofing visible from inside the atic is that it is a breathing roof.

Chris yerkes a cedar shingle installer certified by the cedar shake and shingle bureau cssb and owner of cedarworks in brewster mass responds. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. Fascia boards attach to rafter ends along the roof line. I prefer to install the gable drip edge under the felt though that detail is less critical than at the lower roof edge or eaves.

He s told us that the gaps are required to prevent condensation or any adverse impact to the timber within. How to seal fascia gaps in a roof. A gable roof is one of the most common options consisting of two flat sections of roof that meet at the ridge. When you re installing cedar shingles on a wall over a gable roof how do you detail the courses to keep the shingles at a consistent angle off the wall.

Gable roofs offer several pros and a few cons to consider depending on where you live. Bryan shows us how to seal gaps in your roof.