Loctite PL 300 Foamboard Construction Adhesive is a latex water-based adhesive formulation for bonding most foam insulation panels to a variety of porous construction materials, including, but not limited to: wood, gypsum board, and concrete. It is compatible with all "unfaced" foamboard insulation products and won't burn through foam if used as directed. Low VOC formulation meets stringent State and Federal VOC Regulations.