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Posted by JD on May 13, 2006, 7:42 pm
My crawl space is kept pretty dry and in good shape.
I appreciate the response. Thank you
JD
>
> JD wrote:
>> I am not sure what you mean.
>> It is my current home and we are upgrading from carpet to hardwood. We
>> will
>> be in the house another 10-15 years. One of the installers uses a product
>> called AquaBar, which appears to be a sandwich of paper with a tar like
>> substance in the middle. The argument he makes is that poly will leave
>> holes but this aquabar paper seals around the staples. It makes sense to
>> me
>> on the surface, but I am still looking for advice.
>
> AquaBar seems to be a laminated kraft paper/building felt (tar paper)
> product.
> http://www.fortifiber.com/floor_protection_comparison_chart.htm
>
> Regular 15# asphalt-impregnated building felt is what I put under
> hardwood floors. Some people use red rosin paper, but I like the vapor
> barrier qualities of the felt. AquaBar is essentially more expensive
> building felt. I'd choose that over polyethylene. I'd choose building
> felt over AquaBar and ask for a discount.
>
> Frankly, the sealing around the staples is gilding the lily. The
> amount of moisture that would be introduced thorugh the staple holes is
> insignificant. If moisture through the staple holes is a problem, then
> you don't solve it at the floor underlayment level, you solve it down
> in the crawlspace with a barrier placed on the soil/cement and/or
> ventilating the crawlspace. Otherwise you're essentially saying, "I
> don't mind if the floor joists and subfloor rot, as long as my hardwood
> floor looks good." That's crazy talk!
>
> R
>
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