Installing Wood Flooring over Concrete

 

The Cabin Floor

Concrete Floor

The old cabin floor had to be removed, we were almost certain that underneath the wood would be a dirt floor, but to our surprise there was a concrete floor under that dirty old particle board.

 

Whoever had put the floor in this cabin had built a frame raised floor and covered the concrete with particle board.

We would find out what we had to work with once the entire old floor was removed.

Installing Wood Flooring over Concrete

It turned out that there was a drain in the middle of the floor, and the concrete slopped to it. I have wondered why there was a drain in the middle of that little cabin and still are not really sure why.

The plan now is to frame a raised floor again and level it up.  The plywood that will become the new floor is coming from the floor of the addition that is to be torn off.

First we would need to clean up after tearing the old floor out and get some more foam insulation from the main cabin as well as the plywood from the addition.

Instead of using poly for the vapour barrier on the floor, we have all this foam insulation so it will be used, the same insulation that was used when the roof was replaced.

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Cutting the insulation

Cutting foam insulatioin

While Scott was getting the floor level and framing done, my job was to cut the foam insulation to size.

The insulation would be placed down on the concrete as a vapour barrier.

Usually poly would be placed over the concrete but we don’t have any of that kicking around and an over abundance of insulation.

Once the foam is down we can start installing wood flooring over the concrete.

 

Framing the Floor

Frame a floor over concrete

In this picture the boards have been cut to size before putting them in.

Scott will drive a hole through the lumber and into the concrete.

They he will put a piece of metal wire into the hole and screw the lumber to the concrete floor.

The wire helps to keep the screw in the concrete.

These holes were drilled about every foot or so.
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Installing insulation and plywood floor

Ones the lumber was screwed down, the insulation was placed in between each floor joist.

The plywood was cut to length and placed on top of the framed lumber and insulation.

The plywood was then screwed down to the floor joist. (the lumber that was framed and attached to floor)

This was my job.

I put in one screw every 8 inches.  Believe me that plywood isn’t going anywhere lol.

Once the plywood floor was in, it just made that little cabin feel so much better.

The next time we came to the cabin I had to bring a fold up table, a couple of chairs and some candles.

The next project is going to be to plane the walls.

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2 Responses to Installing Wood Flooring over Concrete

  1. Tar says:

    Greetings,

    I wonder if would be better off in having the same material for both roofing and flooring due to vapor barrier and insulation purposes. Is there any relation to weather? Furthermore, it depends on the room, isn’t it? Like shower rooms and kitchens would need foam insulation but not bedrooms? May I know your personal opinion?

    • jill says:

      We used the foam insulation because if was available. Normally on a roof you would put a vapour barrier of poly and then put bale insulation on top of that. We did the foam because we had it an then the bale insulation on top. It will no doubt give it a better R value. Same with the floor, it will probably help keep it warmer, which is good. We used it because that is what we had available. For inside walls you do not need to insulate, although in the house we just built we put insulation between the kitchen and laundry room to cut down on the noise of the washing machine.

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