Rip them down to 3 shims.
Second floor concrete over plywood.
Good side plywood is your quot go.
Floating a floor over that lightweight concrete is your best bet.
Things i mention in this vid.
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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.
It lays down ultra flat.
Please send us information regarding the proper chemical.
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.
Tacking this row down with a couple finish nails will give you better results then shim and nail through them.
Plywood substrate in a kitchen metal lath stapled over plywood substrate the installation of calcium aluminate cement based self leveling concrete param 5500 along with expanded metal lath for reinforcement is a successful fast track method to convert a plywood subfloor into a beautiful concrete floor.
For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors.
Here is step by step diy wood floor preparation for laminate or hardwood floor installation.
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.
Many nice products to choose from.
You need something for the second layer called quot underlay quot.
You cannot go over the 1 2 quot.
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.
You need the 2nd layer.
Radiantheatflooring concreteflooroverwood mikedayconcrete in this video i m pouring a radiant heat concrete floor over a plywood deck.
Spacing as you normally would.
Go get a bundle of cedar shakes.
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.