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Posted by Glenn on October 11, 2006, 7:58 pm
It may not be moisture from below. There is surely building felt
between the subfloor and flooring. That should be all the vapor
barrier you need. If the moisture is that bad in a 100 yr house,
the floor joists and subfloor would be showing rot. Do they?
I know of an old mansion here in the 3 million dollar category
with quarter sawn oak floors. Built by a lumber baron. Beautiful
floor. The new younger owner has them mopped with water because
some stupid shop teacher said she didn't want the floor to get too
dry. Last time I was there the edges were starting to curl but no
contractor knows as much as a shop teacher. <G>
> > I was looking at a 100 year old house today. The
> > hardwood floors are buckled quite badly. The floors are
> > located above a crawl space with no vapor barrier
> > between the ground and the flooring. I'm not even sure
> > if there is a sublfloor at this point in time. I
> > realize the first thing to do to attempt to solve this
> > problem would be to install a vapor barrier over the
> > basement floor to stop the moisture. I also realize
> > that the floor is not going to magically settle itself
> > once the moisture problem is solved since nails were
> > likely pulled, boards warped and whatever else. I'm
> > wondering if anyone has had to deal with a similar
> > problem during a rehab of an old house and what some
> > possible solutions might be. I've heard about getting
> > at it with screws from underneath (if there's a
> > subfloor) and/or nailing screwing from above. Any
> > advice would be much appreciated, thanks in advance. Geo.
>
> A vapor barrier is the only practical solution for long
> term stability.
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