Second Floor Concrete Over Plywood

You cannot go over the 1 2 quot.
Second floor concrete over plywood. May 4 2020 self leveling concrete concrete overlays the following project was executed by tom zilian of madstone floors from boston ma who created a polished concrete floor over a plywood substrate. The minimum plywood subfloor thickness is 3 4 for a 3 4 nailed down floor so you would have 1 1 2 above the existing subfloor. It lays down ultra flat. Substrate the thing sitting on your joists.
If you are looking for the beauty and personalization available in decorative concrete flooring you can absolutely achieve this look with an installation over your plywood sub floor without any compromises in quality. Then shim the new flooring up to meet a flat spanner that rests on another piece of flooring on the other side of the dip. When installed correctly your concrete over plywood floor will not permit moisture through will not warp or buckle and will come with all the benefits of concrete in an easy to care for floor. Rip them down to 3 shims.
Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. Please send us information regarding the proper chemical. Spacing as you normally would. Good side plywood is your quot go.
Tacking this row down with a couple finish nails will give you better results then shim and nail through them. For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors. You need something for the second layer called quot underlay quot. You need the 2nd layer.
We are building a 2 story condominium complex with concrete slab on grade. Floating a floor over that lightweight concrete is your best bet. Go get a bundle of cedar shakes. Here is step by step diy wood floor preparation for laminate or hardwood floor installation.
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