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Question:

Dear Doc,

A customer of mine would like a laminate floor put down over concrete, the problem is they saw another recent job I did in real hardwood and they want that look, I told them that it can't be in laminate then, so I thought about an engineered wood floor system. I should back up a-bit to say the reason we don't want to go full 3/4 hardwood is because by the time the sub floor goes down etc there will be a 2 inch step to the existing floor. So my question is can I put either 1/2 or 3/4 ply directly on the concrete (it's a slab on grade not below, and 12 years old) and then nail an engineered floor to this? Also as far as stability goes could I instead of putting down poly back prime the plywood with a sealer so that I could glue the ply directly to the slab (after the ply has also been acclimatized)?

Answer:



Dear Dave

Read my article INSTALLING HARDWOOD FLOORS ON CONCRETE SLABS.

You may also find these articles helpful:

1. Installing Hardwood Floors On Concrete Slabs

2. Should I sand the wood floors myself or hire a pro

3. How To Sand Wood Floors Without Leaving Machine Marks

4. Plank And Strip Flooring

5. How To Take Care Of Your Health And Safety when Installing, Finishing, Repairing or Cleaning your wood floors