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Re: Notched Wood Beam

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Notching the tension side of a wood beam at center span is REALLY asking for
trouble. Consult the manufacturer's literature. (Trus Joist MacMillan
specifier's guide strictly prohibits notching on the tension side.)

Bruce Pooley
Timber Design
Lakewood, CO

----- Original Message -----
From: Larry Hauer <LRHauer(--nospam--at)>
To: <seaint(--nospam--at)>
Sent: Thursday, October 28, 1999 4:11 PM
Subject: Notched Wood Beam

The UBC expressly prohibits notching the tension side of 4x wood members
except at the ends. I have a job where the architect wants to notch out 1"
at the bottom of a 3-1/2"x16" parallam beam at the center of the span. Is
there any way I can calc this out, or am I asking for trouble based on some
type of stresses that are formed at the corners of the notch, etc. which is
the basis of the code requirement?

Thanks in advance,

Larry Hauer SE