Gluing Plywood To Concrete Floors

I have to cover my concrete floor with 6mm marine ply prior to gluing down a solid oak floor.

Gluing plywood to concrete floors.

There is a product you can buy from your local home depot store for putting under a floor over concrete. Don t glue the plywood to the concrete. It can be installed on top of concrete before hardwood flooring or another type of material is installed. Learn how to install beautiful hardwood floors over a concrete slab.

I don t remember what it is called but it comes in a roll 6 ft by 50 ft. A sidebar offers advice on checking the concrete slab for moisture before you start. I beleive the op is talking about vinyl tile. So you need to allow it to cure for at least 60 days before even bothering to check the moisture level.

If the subfloor is plywood orient the underlayment in the opposite orientation of the first layer of plywood. I intend to place the ply on the floor and drill in situ with a 6mm drill masonary drill. One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners. I think it would be better to adhere these to the concrete floor than to add a layer of plywood over the concrete.

Plywood is often used as a sub flooring. I then intend to push red plugs through the ply into the concrete with the ply still in place then use chipboard screws metric size 5. Wood and concrete don t play well together without a moisture barrier. If you re installing plywood over an existing dry concrete floor you shouldn t have any problem.

Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. On a concrete subfloor you could choose to orient the plywood in whatever direction works best for you. Gluing plywood to concrete isn t a simple task especially if you are gluing large sheets to a vertical wall or even worse a horizontal ceiling. If the subfloor is wood plank orient the plywood grain at a 90 degree angle to the grain of the planks.

However a new concrete floor contains a lot of moisture. Moisture levels in concrete floors. Concrete has moisture in it and your wood will mold and rot over time. Adhering plywood directly to concrete does not provide a barrier to stop moisture from absorbing into the plywood.

Concrete isn t usually perfectly flat so the plywood will need to conform to the concrete s surface. Another way that involves less strain and hard work is to glue the plywood to the concrete.