Typically it is sheets of plastic laid on the slab and taped at the seams with waterproof tape.
How to fit solid wood flooring on concrete.
Installing solid wood flooring onto concrete use a flexible wood to concrete adhesives such as laybond or soudal polymer.
Starting in one corner of the room spread in excess of 2 board widths of adhesive along the starting wall sub floor using a 3mm toothed trowel.
While you can glue directly to the subfloor with a urethane based hardwood floor adhesive or use plywood and screw the plywood directly into the concrete via a screw such as tapcons.
We install a hardwood floor on concrete using the direct stick method.
They make the job quick and easy.
How to lay solid wood flooring over a concrete subfloor the first consideration you will need to make is how you are going to attach your planks to the floor.
Floating a floating floor doesn t require any glue or nails although you may use glue between the tongue and the groove to keep the planks together.
Using a v notch trowel apply the adhesive to floor in small sections.
The floor clamps come in really handy.
Loosely lay a nailing surface of 3 4 4 x 8 exterior plywood panels over the entire area leaving a 3 4 space at the wall line and 1 4 to 1 2 between panels.
Watch this video to see how easy it is.
This is one of the most common approaches i have seen to install a solid plank hardwood floor over concrete.
Install the plywood after the vapor retarder is in place.
Apply adhesive and flooring always read manufacturer s instructions when applying the adhesive.
Before installing any wood floor over concrete you ll need a moisture barrier.
Follow these steps with care to safely complete the installation yourself.
Whether you re planning on renting out your home or looking to increase its value using concrete as a base is a great idea.
Another method is to install a floating plywood subfloor consisting of two layers of 3 8 1 2 or 5 8 inch plywood attached together with short fasteners that won t penetrate the concrete.
Only spread enough for a few rows at a time.
It will extend up the wall for about 2 to 3 inches creating a bowl where your wood floor stays dry and protected.
Cut plywood to fit within 1 8 near door jambs and other obstructions where finish trim will not be used.