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.
imâ¢petâ¢uâ¢ous (im pechâ²oÌoÌ És),USA pronunciation adj. 1  of, pertaining to, or characterized by sudden or rash action, emotion, etc.; impulsive:an impetuous decision; an impetuous person. 2  having great impetus; moving with great force;