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 · If you do use Hclips pick a good Simpson that also provides the expansion gap. I've seen some more like sheetmetal that look like suspended ceiling tile clips that are not thick enough.

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.