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Re: Brick Ledge Angles.

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I am currently looking at a residential building with 4"-6" field stone
veneer supported by a 3x3 angle screwed to the 1-1/2 face of studs. The
building is less than two years old, occupied for only one year. The stone
has significant horizontal cracking near the angle support. Shrinkage of the
wood and twisting of the angle appear to be the most likely reasons.

James Cohen, PE
James Cohen Consulting, PC
Pennington, NJ
http://expertpages.com/jccpc

----- Original Message -----
From: <npitera(--nospam--at)mmm.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Thursday, September 05, 2002 02:56 PM
Subject: Brick Ledge Angles.


>
>
>
> When supporting brick for low rise buildings I always would support the
brick
> off the foundation wall and have never had a problem. A buddy of mine is
putting
> a second story addition onto his brick house, and his "brilliant "
architect
> recessed the second story exterior wall back a few feet for a deck. As he
is
> telling me all about his grand addition, I asked him how was the brick
> supported. The contractor told him that they lag bolt a steel angle into
the 2x4
> stud wall and that he does it all the time.
>
> I was shocked to say the least, for a couple of reasons. As a rule of
thumb, I
> have limited any masonry deflections to at least L/600 for crack control
which
> is one reason I would always recommend supporting brick off of a
foundation
> wall. Second, I can't believe that bolting into  1 1/2" wide wood stud
would
> structurally hold over time. Third, I can't believe that building codes
would
> allow this for fire issues.
>
> I told my buddy to forget the brick on the second floor that he would have
> problems.
> Has anybody seen this before?
>
> Any comments will be appreciated.
>
> Regards,
> Nick.
>
>
>
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