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ja_trusty 10-09-2008 02:08 AM

Hanging drywall basement ceiling from engineered wood I-beam joists
 
Are there any issues/re-inforcement needs when hanging a drywall ceiling in the basement from engineered wood I-beam floor joists?

DangerMouse 10-09-2008 05:26 AM

those things scared me when i first saw them. still do. google--> Collapse Dangers of Engineered Wood Beams <--for more info.
maybe a real lightweight drywall would be a bit more firesafe? idunno. i'll stick with 2x.

DM

AtlanticWBConst. 10-09-2008 06:30 AM

Quote:

Originally Posted by ja_trusty (Post 169957)
Are there any issues/re-inforcement needs when hanging a drywall ceiling in the basement from engineered wood I-beam floor joists?

No, none what-so-ever.

beer_geek 10-09-2008 06:58 AM

No issues. Think about the rest of the house. Is the first floor ceiling made from the same engineered materials?

Termite 10-09-2008 07:44 AM

Agreed, no issues with the application of rock. It is common for multiple layers of rock to be applied to the underside of I-joists in multifamily construction. If the floor is solid and properly spanned, the added dead weight shouldn't affect the floor's performance.

As for the comments about the integrity of I-joists, pooey. They're a tried and true product, and are every bit as structurally stable as dimensional lumber, if not more. Since they are thin, a catastrophic fire will normally compromise them much faster than dimensional lumber joists, but proper firestopping and a sheetrock ceiling will protect them from all but the worst fires.

AtlanticWBConst. 10-09-2008 08:07 AM

Quote:

Originally Posted by thekctermite (Post 170004)
...As for the comments about the integrity of I-joists, pooey. They're a tried and true product, and are every bit as structurally stable as dimensional lumber, if not more...

Double Pooey...

ja_trusty 10-09-2008 11:06 AM

Thank you.
 
Thank you for the advice!


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