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Sleeper size and spacing

Hi, I'm looking for information and or a web site concerning size, spacing, etc. of sleepers installed in a 1-1/2 inch gypson slab to be covered by 3/4 inch prefinished oak flooring.
Thanks in advance for any help!


  • Typically

    2X2 or 2X4 16" OC placed directly over the load bearing joists, then tubing 8" OC to overcome the R value of the gyp and oak, unless dwelling is extremely tight, in which case you may be able to lessen the tubing centers.

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