Submitted by CaseOfBeer t3_ywf0ab in DIY
Need to build up on current subfloor (which is T&G OSB) to meet the level of adjoining carpet edge at the proper height. I am replacing 3/4" hardwood with .285" engineered vinyl. Should I put the extra $$$ into 7/16" OSB T&G, or will gluing+screwing normal square sheathing be sufficient? Trying to find the sweet spot between spend and squeak prevention.
Reelplayer t1_iwjbafj wrote
What's under the floor? Tongue and groove, with a bead of adhesive along the groove, becomes a moisture barrier. That's good if you're above a crawl space or other area with moisture. Tongue and groove also supports more weight along the seams. Finally, tongue and groove won't grind its edges into sawdust over the years, opening gaps in the seams and causing noises. So you have to decide if these things are important to you.