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As a structural engineer with the APA/Engineered Wood Association, I perform forensic assessments of single- family homes after hurricanes and tornados.
Q: I am siding a building that was framed and roofed two years ago and is sheathed with 15?32-inch OSB. The building paper blew off one of the gable walls, and now the OSB has turned gray and some of the strands are lifting from the surface. Is the OSB st
Catch these common framing and sheathing errors and you’ll prevent inspection failures and customer callbacks.
Q: Instead of glue and nails, my framing subcontractor used screws to fasten the sheathing to the I-joists of a new 14-foot-wide addition. While there are no interior walls bearing on the floor system and no excessive notching in the I-joist flanges - and the joists fall well within the APA's...
Q: Is it okay to glue OSB or plywood sheathing to the wall framing before fastening the sheathing with nails? It seems that this would be a simple and cost-effective way to add strength to a wall assembly while reducing air infiltration.
This APA storm report shows that structural sheathing, metal connectors, and strong garage walls can increase the likelihood that a home will survive all but the most powerful storms.
Q. Can anyone explain the actual technical concern and reason that new building codes are requiring specific structural improvements on garage door "lug walls" (the short walls next to the garage door opening)?
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