H-clips do not prevent wooden panels from buckling or warping. To the contrary, panels are more likely to buckle or warp when their room for expansion is limited, as is the case where H-clips are installed …

Jan 24, 2011 · I had figured in to use h-clips for my sheathing on the roof of a project I am working on. I'm not sure where these actually need to be used in a roof deck...

Jun 9, 2009 · Steep roof, 2 foot on center rafters. No H-clips on OSB. Are they required for new construction (in WA)?

May 14, 2022 · They actually defeat the purpose of spacing panels because wherever a clip is installed, each panel is in contact with the center of the H-clip, and there’s no room for panels to expand… The …

Aug 30, 2019 · I climbed into the attic to inspect the sheathing since we will be replacing our shingles hopefully next weekend and I found about 10 sheets of plywood that need replaced due to water …

May 16, 2007 · New home, 2x8 rafters, 16" OC. 12/12 pitch. All homes in the development have no “H” clips in roof decking…is this allowed? Calling all roofing gurus.

Nov 24, 2007 · Took me a long time to find one that would actually show the problem well. But I finally did. Let’s let some of the newer guys give a few guesses before identifying the cause of this patterning.