01:47PM | 06/15/04
Member Since: 06/14/04
1 lifetime posts
I just recently bought a 7 year old home, with a partially finished basement. The floor is all tongue and groove 4*8 sheets nailed down tightly...Now here is the kicker, under the plywood is wooden trusses(?) on the dirt floor. And NO VAPOR BARRIER!

Is there a way to blow in (sort of like insulation) some kind of barrier? We don't really want to rip up all 1586 sq ft boards, to lay plastic, but that is our last resort.

Does anyone have any ideas on what we can do? I live in Northern British Columbia, Canada, so it is something we need to take care of, ASAP.

Any input is appreciated.


10:32PM | 06/19/04
Member Since: 01/28/03
693 lifetime posts
If the trusses and floor sheathing are of ground contact treated lumber...

AND if there is a vapor barrier over the floor trusses and under the floor sheathing, there is really nothing to worry about....

AND such an arrangement can be in full compliance with your building code.

You should contact your local code authority to determine if there is a problem and how to correct one if present.


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