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mainer04911 09-13-2012 06:01 PM

shed flooring
 
Good afternoon everyone, I am building a little workshop, the inside floor space measures 10'x16'. It is resting on two 8x12x12 skids with insulated 2x6 framing, a 3/4" cdx subfloor and 1.5" polyiso foam over it with 2x4 joists. I bought some 3/4" 4x8 t&g to use as underlayment to sandwhich the foamboard.

I am wondering how I can seal the floor from water. I was considering using leftover kitchen vinyl with rubber garage tile over it. Another option I am considering is laying down some concrete to seal it. I siliconed and foamed both the cdx and foamboard.

Edit: I forgot to add I have several hundred sq ft. of laminate flooring left over I am using some for the ceiling, wasn't srure how it would hold up for use on the floor with water and moisture from winter use, i.e snowblowers and such being stored in this building.

joecaption 09-13-2012 06:18 PM

2 X 4 floor joist is about 1/2 the size floor joist that should have been used. Forget the concrete, it's just going to crack with floor joist that flimsy.
CDX was never intended as an exposted siding, your going to have to cover it with something or it's just going to delaminate.

mainer04911 09-13-2012 06:47 PM

Quote:

Originally Posted by joecaption (Post 1009347)
2 X 4 floor joist is about 1/2 the size floor joist that should have been used. Forget the concrete, it's just going to crack with floor joist that flimsy.
CDX was never intended as an exposted siding, your going to have to cover it with something or it's just going to delaminate.

On the side facing the ground I primed with kilz and painted with an exterior paint, it is off the ground roughly 18".

mainer04911 09-14-2012 11:26 AM

Quote:

Originally Posted by joecaption (Post 1009347)
2 X 4 floor joist is about 1/2 the size floor joist that should have been used. Forget the concrete, it's just going to crack with floor joist that flimsy.
CDX was never intended as an exposted siding, your going to have to cover it with something or it's just going to delaminate.

It has 2x6 floor joists, the 2x4's I used to support the foam board that I used over the 2x6's and plywood.

Concrete is too expensive for me anyway now, I missed the deadline for the barge so the only option is airfreight and that makes a 80lbs bag over $100 landed.


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