Sto Guard, a spray-on waterproofing, air barrier, has received ICC Code recognition as a weather-resistive barrier. The code recognition permits the use of the product beneath most claddings.

The report "ESR-1233" is available at www.stocorp.com or www.icc-es.org. It is under "Thermal and Moisture Protection Division 07, Section 07280, Water-Resistive Barriers."