See Gaco Western Plural Component Spray Guide for further information. Part B contains polymeric diisocyanate, which is toxic if heated in a confined area or inhaled as particulate matter. See General Instructions GW-1, Section 1A and the MSDS for additional safety and storage information. Do not thin. Coating will set in 30 seconds when applied to an insulating surface.
Complete cure can take several hours depending on the ambient temperature.
Apply with plural component airless equipment. See Plural Component Spray Guide for typical equipment recommendations.