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Shear Wall Myths--Share your favorites about wood shear walls[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "seaint" <seaint(--nospam--at)seaint.org>
- Subject: Shear Wall Myths--Share your favorites about wood shear walls
- From: "Mattesons" <matteson(--nospam--at)yosemite.net>
- Date: Tue, 7 Nov 2000 20:44:35 -0800
I am looking for as many myths and common errors made by builders (or engineers!) regarding plywood/OSB shear walls. I will be making a presentation on shear walls to the local Contractors Assoc. in February 2001, and would like to dispell as many myths as possible.
My favorite MYTH: The only part of a plywood panel that does any good is shaped like a "Z", and you can cut away the rest of the panel without affecting its strength. Sort of a let-in brace hidden within the panel....(This was supposedly promulgated by a Building Ispector....)
Or the response when I called the contractor because he had cut a 4" high by 16" wide foundation vent through a 4-foot wide shear wall: "But its only a LITTLE BIT of plywood that's missing!"
My favorite ERROR: Simpson PHD8's attached both sides of a cripple post in the crawlspace, with NO ties extending to the end-post of the shear wall above.
Or shear panels nail like crazy at the end of a wall section, but the post with the hold-down is 8 inches back from the end and has nailing at 12"--
Etc.... I'm sure your results will be really depressing, but at least amusing!
Thor Matteson, SE
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