The KISS system combines the manufacturers EcoBatt insulation or Jet Stream Ultra blowing insulation and a new water-based elastomeric sealant, EcoSeal. Applied to interior framing and sheathing seams, the sealant dries to a flexible, tough film to create an air barrier. It contains no solvents and less than 0.3% VOCs. According to the firm, EcoSeal has an STC rating higher than foam, is Class A rated for fire and smoke, and applies in temperatures from 20 degrees to 115 degrees F. 800.825.4434.