3) Water pipe leak under floor slab - A leaking water pipe will also cause moisture to move up through a floor slab and initially mimic the sweating caused by a missing vapor barrier. But eventually the water will start to pond in an area or bubble up from small cracks.
impassive â(comparative more impassive, superlative most impassive) 1  Having, or revealing, no emotion. 2016 May 22, Phil McNulty, âCrystal Palace 1-2 Manchester Unitedâ, in BBC: It was a victory that clearly meant so much to Van Gaal as the normally impassive manager raced from his seat in the technical area to celebrate Lingard's winner. Still or motionless.
Meaning impersonal, unbiased is first found 1855, influenced by Ger. objektiv. The noun is 1738, with sense of something objective to the mind; meaning goal, aim is first as a military term from the U.S. War Between the States, 1864 (in objective point), from Fr.; general use of it is first attested 1881.