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RE: Lag Bolts into Narrow Face of a Stud

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Gerard –

 

Whenever I’ve had to do this (very seldom), I’ve required the contractor to pre-drill the holes. This was not only to reduce the chance of splitting the 2Xs, but also to assist in installing a close spacing because I was faced with perpendicular to grain values for the ledger.

 

But, to answer your question, I specified 7/16ӯ lags.

 

T. William (Bill) Allen, S.E.

ALLEN DESIGNS

Consulting Structural Engineers
 
V (949) 248-8588 F(949) 209-2509

-----Original Message-----
From: Gerard Madden, SE [mailto:gmadden(--nospam--at)maddengine.com]
Sent:
Tuesday, February 28, 2006 1:33 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: Lag Bolts into Narrow Face of a Stud

 

The engineering wood is the ledger, I’m not worried about splitting it. But if it matters, It’s Trusjoist Timberstrand or Microllam.

 

The studs are Doug Fir sawn lumber, that’s what I’m worried about splitting.

 

-gm

 

-----Original Message-----
From: Polhemus, Bill [mailto:BPolhemus(--nospam--at)wje.com]
Sent:
Tuesday, February 28, 2006 1:28 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: Lag Bolts into Narrow Face of a Stud

 

Is the engineered wood existing, or did you put it there?

 

Regardless of the answer to the above, can you identify the manufacturer of the engineered wood?

 

I would first get in touch with the manufacturer, if at all possible, to ask these questions. Nice thing about “engineered” wood: You get end-user support.

 


From: Gerard Madden, SE [mailto:gmadden(--nospam--at)maddengine.com]

I have a condition where I’m using a 1.75” engineered lumber ledger for roof framing in a building with a flat roof.