Gaps Between Roof Sheathing

One on the reasons i recommend using ice water sheild over the entire roof when having shingles replaced.

Gaps between roof sheathing.

Align the long edge of the sheathing with the ends of the. The sheathing just provides a nailing surface and support for the shingles as the gaps have no effect on water tightness. If asphalt shingles are installed over sheathing with gaps exceeding 1 4 inch over time these gaps may telegraph through and become visible. Now wait a minute.

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. And i was advised that that gap should be protected by a home inspector. The recommended maximum gap between roof sheathing boards for low quality 3 tab shingles is 1 4 inch.

Yes a 3 8 inch gap is a pretty good gap to start with. The house does not have an overhang. 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. It s a simple gable roof with vents at either end and a ridge vent.

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. If the flatness of sheathing or flooring panels is acceptable apa would generally recommend that any finish flooring siding or roofing be installed as planned regardless of whether gaps are present. 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.