Table 1: Paint code descriptions Code Description B Lab prepared LAtex DTM paint based on Haloflex latex C Commercial solventborne alkyd paint E Lab prepared acrylic latex DTM paint F Commercial acrylic Latex DTM paint G Commercial fail control latex house paint H Commercial 2 pack solvent-based epoxy paint I Cathodic electrodeposition paint Methods Water vapor transmission rate and permeance of pigmented coatings As per ASTM method D 1653-93 the wet cup method was used to determine the water vapor transmission and permeance of pigmented coatings.
The first facing, as bonded to the first major surface of the insulation layer, has a water vapor permeance rating that of about 5 perms or greater so that the first major surface of the faced building insulation assembly formed by the first facing has a water vapor permeance rating of about 5 perms or greater.
Elworthy said he could sympathize with concerns about the permeance of a double-family dwelling and the threat of an absentee landlord, although the same could occur by renting out a single-family home.
The effect of the permeance of the building paper or housewrap used, the interior and exterior conditions, and type of insulation used are considered in this evaluation.
The crotch portion is comprised of a stiffening material containing a very high intrinsic stiffness so as to maintain a substantial shape permeance of the article while worn by a user within a 5 mm extension of the crotch portion in the longitudinal direction.
