New answers tagged

2 votes
Accepted

Drill hole through beam support wood

Yes, you can drill a 1/2" hole through it. Borrowing from the IRC's holes and notches constraints for joists and headers (IRC R502.8 and the text that follows in R502.8.1), I would limit the ...
popham's user avatar
  • 8,740
2 votes

What thickness OSB is needed to back a niche (unsupported)?

Use 19/32" OSB. There's an IBC minimum 5 psf live load spec. The IRC (and therefore the IBC) has an H/180 deflection limit for interior walls. The TCNA Handbook specifies that Walls intended for ...
popham's user avatar
  • 8,740
1 vote

Splits in Wood On New Header - natural or need to reinforce?

Looks like seasoning checks. A tree ring's tangential moisture shrinkage rate is greater than its radial shrinkage rate. As the tree dehydrates, then, radial wood restrains the tree ring from ...
popham's user avatar
  • 8,740
3 votes

Double or triple 2x8 header over exterior door in brick foundation

With the sill plate out of the way, the theory is that you can sneak the 2x8 into the cavity from below? Then install the sill plate below it? The header bears on wood, so IRC R502.6 prescribes a ...
popham's user avatar
  • 8,740
4 votes

Can I remove this Load bearing wall?

You can remove any wall. Sometimes your house falls down if you don't first deal with supporting the loads the wall was supporting. Since this appears to be part of a larger building(?), making parts ...
Ecnerwal's user avatar
  • 210k
17 votes
Accepted

Is it okay to notch 1.5" on the bottom of beams in basement ceiling

Notch depth is 1/6 of joist depth, maximum. No notches at all in the center 1/3 of the joist. Image source, no endorsement implied. Holes, of 1/3 joist depth or less in diameter may be placed at ...
Ecnerwal's user avatar
  • 210k
13 votes

Is a main beam being held on by an angle iron a safe construction?

That's a job for a local engineer. He'll need to figure out the demand on that connection based on whatever is going on above its joists (load bearing walls, columns, etc.). He'll probably extend the ...
popham's user avatar
  • 8,740
3 votes
Accepted

What are the concerns of a load-bearing interior wall being far out of plumb

There's no structural problem with that level of out-of-plumbness. Its root cause could be a structural problem, however. If the exterior walls don't have the same issue, I would attribute the wall's ...
popham's user avatar
  • 8,740

Top 50 recent answers are included