Gaps Between Roof Sheathing

Now wait a minute.

Gaps between roof sheathing. However it is considered good practice to leave a 1 8 gap between sheets and that is also recommended by apa but it is not required. Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof. And i was advised that that gap should be protected by a home inspector. Actually panels marked sized for spacing simply mean that they are slightly smaller to allow for the recommended 1 8 gap see attached apa tt 055.

It doesn t mean that panel edge clips h clips are required although there are types of clips that will help with properly spacing the panels. Align the long edge of the sheathing with the ends of the. But where the wall sheathing meets the roof sheathing there is a gap of approximately 1 8 of an inch. The sheathing just provides a nailing surface and support for the shingles as the gaps have no effect on water tightness.

The house does not have an overhang. Gaps that were initially present may have closed due to normal moisture related expansion. The exterior face of the foam sheathing will be the water control layer and there will be a gap there must be a gap between the cladding and the exterior face of the foam sheathing. Yes a 3 8 inch gap is a pretty good gap to start with.

One on the reasons i recommend using ice water sheild over the entire roof when having shingles replaced. It s a simple gable roof with vents at either end and a ridge vent. The recommended maximum gap between roof sheathing boards for low quality 3 tab shingles is 1 4 inch.