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Cross beams in ceiling joists

13K views 9 replies 5 participants last post by  Mijotter 
#1 ·
Can these cross beams be removed completely or should they be put back up once i'm done?
 

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#4 ·
If you pulled them out completely, you may want to buy some metal replacements http://www.strongtie.com/products/connectors/nca-tb-ltb.asp#tables2 as the existing wood cross-bridging (9% effective for deflection) are almost impossible to re-nail at the top of joist, high enough. OR, just add a full size blocking (15% effective) between the removed ones, or add 1x4 strapping to the bottoms (25% effective/deflection)of all after replacing; http://www.ewpa.com/Archive/2004/jun/Paper_278.pdf

Gary
 
#5 ·
Wow thanks guys for all your responses. Can the cross beams be glued back between the joists?

No there is just a concrete slab. But I am in the process of insulating it very well now(walls, rim joists, ceiling)

I'm putting drywall up in between the joists so can the cross beams be lowered to accommodate the 5/8" drywall?
 
#7 ·
"I'm putting drywall up in between the joists so can the cross beams be lowered to accommodate the 5/8" drywall?"---------- I don't understand. Why would you install drywall above the cross-bridging? Why against the flooring? I must be missing a thought here.....

Gary
 
#9 ·
Ahh... Appears you need to shorten a few that flush at the joist bottom. Leave a space between opposing ones so they don't rub/squeak. I usually clip the "air-nails" or "shiners" that miss the joist from above, same reason.

Gary
 
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