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BrianD 04-09-2009 11:40 AM

Gyprocing a basement ceiling
When I gyproc my basement ceiling do I have to put slats (1x3's or 4's) up under the joists or can I put the gyproc directly onto the joists. I have no wires, pipes etc hanging below the joists so I think directly onto the joists would work - any wisdom would be appreciated.

47_47 04-09-2009 11:58 AM

There are several reasons for the strapping. Most times the bottom of the joists are not even, and you can shim the strapping to get your ceiling flat. Another is it will give you a wider area for the joints between the sheets (you're not splitting a 2x in half).

If the bottom of your joists are even and 16" OC, I'd screw and glue the sheets directly. Make sure you use the correct thickness and type for your application.

joel v. 04-09-2009 04:11 PM

We just finished our basement not too long ago and screwed directly to the joists. It's a 52 year old house with 2x8 joists and it turned out great. In new houses everything is screwed directly to the joists but alot of joists used in the better housing now are TGI joists. Drywall is screwed directly to all the other joists, no different in the basement. WHen I say 'better housing' I mean custom houses.

bjbatlanta 04-10-2009 12:54 PM

No need for strapping. As stated above, glue and nail/screw.....

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