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4 votes
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Securing a twisted beam

Thanks for clarifying that we are looking at two separate beams landing on the twisting underpurlin. I find the very small/short bearing of the lower/right beam on the twisting underpurlin concerning. ...
  • 146k
1 vote

Skid Steer hit exterior wall.... interior wall now bowed

Tear open the inside wall that is bowing and repair as required, then repair the exterior as required. The sheathing may be damaged which would require an extensive exterior repair. Cracked Stucco or ...
  • 943
2 votes

How to reinforce a notched beam but keep notch?

You’ll be guessing until you actually calculate the load. The Code requires attic space be designed to carry 20 psf (attics with storage ICC Table R301.5). So after you add up the Live Load (you old ...
  • 3,650
2 votes

How to reinforce a notched beam but keep notch?

There are all shapes and sizes of tie plates that you could attach to each side of the beam where it has been notched. Achieves the same end as sistering but with less material.
  • 2,562
4 votes
Accepted

How to reinforce a notched beam but keep notch?

I've heard a rule of thumb for comparative strength of beams is the square of the inverse. So in your case 3.75 squared is 14.06. It is now 2.75 so the new comparable strength is 7.56. Now if you ...
1 vote
Accepted

Contractor cut into the I-Joist flange!

He cut into the top plate of TGIs... a really bad thing to do. The depth of the cut is really troubling...somebody was being really careless or unskilled. That weakens them substantially. Had it been ...

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