Sto Corp. announced that Sto VaporSeal has completed the Air Barrier Association of America Material Evaluation process and has been deemed an “ABAA Evaluated Material” and part of an “ABAA Evaluated Assembly.”

The listing for Sto VaporSeal can be found on the ABAA website under the Air Barrier Materials section at, Air Barrier Assemblies at and in the appropriate fluid-applied ABAA air barrier master specification.

Sto VaporSeal fluid-applied products can be used in place of building wrap or housewrap with  claddings including metal panels, cement board, vinyl, wood, brick, and stone. Sto VaporSeal is part of StoGuard, the company’s fluid-applied waterproof air barrier product line. It is applied directly to sheathing, joints and rough openings.  StoGuard substrate protection provides both moisture protection and energy savings.