Roof Sheathing Thickness - The Building Code Forum
2020年12月4日 · There has been substantial debate over the minimum acceptable thickness of plywood when used as roof sheathing. There has been a lot of mis-quoting of the wrong …
Roof sheathing - The Building Code Forum
2019年6月22日 · It is limited in the ability to resist concentrated loads. How would they attach the shingles to 3/8" plywood There is nothing for a roofing nail to develop resistance. Bottom line …
Roofing nail length - The Building Code Forum
2018年10月24日 · roofing nails, minimum 12-gage [0.105 inch (3 mm)] shank with a minimum 3/8-inch-diameter (9.5 mm) head, complying with ASTM F1667, of a length to penetrate through …
Solid Sheathing and Asphalt Shingles - The Building Code Forum
2010年9月17日 · Allowable spans for lumber used as roof sheathing shall conform to Table R803.1. Spaced lumber sheathing for wood shingle and shake roofing shall conform to the …
7/16 OSB or 15/32 Plywood For Roof Sheathing - The Building …
2023年12月6日 · Lumber Sheathing, as listed in R803 would be for individual boards, not engineered plywood or OSB which are typically in 4'x8' sheets. So when I built a covered …
Staggered seams on roof sheathing. | The Building Code Forum
2009年10月17日 · APA's "Diaphragms and Shearwalls" L350A has a good set of tables showing the strength of various blocked and unblocked sheathing methods. If this were framed the way …
roof decking replacement - The Building Code Forum
2009年10月29日 · Correct Ice, we do not do a sheathing inspection when it is a tear off and re-shingle. And, normally the condition of the sheathing does not enter into the equation at a roof …
Roof Ceiling Construction Chapter 8 of the 2021 IRC Question
2009年10月16日 · Where wood shingles or shakes are used, a minimum 1/4-inch (6.4 mm) vented airspace separates the shingles or shakes and the roofing underlayment above the …
Strap inspection - The Building Code Forum
2011年6月23日 · The bulge is a visual issue that I doubt would be noticable after the shingles are in place. Note if the strap were on top of the sheathing they would get in the way of the roofing …
Using OSB on exposed areas? - The Building Code Forum
2020年8月2日 · Maybe you have been doing it wrong for years. “2015 IBC 1507.2.6 Fasteners. ... a length to penetrate the roofing materials and a minimum of 3/4” into the roof sheathing. …