You cannot go over the 1 2 quot.
Second floor concrete over plywood.
We are building a 2 story condominium complex with concrete slab on grade.
Things i mention in this vid.
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.
Floating a floor over that lightweight concrete is your best bet.
You need something for the second layer called quot underlay quot.
Good side plywood is your quot go.
Here is step by step diy wood floor preparation for laminate or hardwood floor installation.
Spacing as you normally would.
Radiantheatflooring concreteflooroverwood mikedayconcrete in this video i m pouring a radiant heat concrete floor over a plywood deck.
Many nice products to choose from.
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.
It lays down ultra flat.
Please send us information regarding the proper chemical.
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.
Roller painting kit http a.
Rip them down to 3 shims.
Go get a bundle of cedar shakes.
Substrate the thing sitting on your joists.
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.
You need the 2nd layer.
Tacking this row down with a couple finish nails will give you better results then shim and nail through them.