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high RH readings after 5 months
03-05-2014, 03:47 PM,
#1
Toungue  high RH readings after 5 months
poured 4" slab on : 5' lime stabilized base soil, 4" base rock, Vapor barrier 10mil taped Stego, 2" sand, 1/4 x 4 x 4 wire, poured last 40,000sqft of a 275,000 sqft facility in Oakland area October. not fully enclosed until December.

it's March, we want to do flooring, hired someone using a somehting similar to the Rapid system, drilled 2" deep hole, dropped in plastic sleeve, sensor in the hole, capped and then put under dome, did 20 tests and .....they are all 99% RH

how can that be?

we are in a drought here. we are about 55% - 60% relative humidity in the building and the outdoor air...

puzzling to all involved

thanks for any insight

jeff
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high RH readings after 5 months - jeffmartin - 03-05-2014, 03:47 PM