Loctite PL 300 Low VOC Foamboard Adhesive is a premium grade formulation specifically designed for bonding foamboard insulation to a variety of surfaces, interior or exterior. Compatible with all other foamboard insulation products, Loctite PL 300 is a latex-based adhesive especially designed for bonding polystyrene foam to itself or to a variety of construction materials, including, but not limited to: wood, gypsum board, concrete and brick without compromising the insulation value of the foam. Fast and easy to use, Loctite PL 300's high grab reduces the need for fasteners and sets in 20-minutes and fully cures in 7-days. This unique formula provides a strong, durable bond to multiple surfaces and will bridge minor gaps when bonding irregular surfaces without attacking or burning through foamboard. Great for indoor or outdoor projects, Loctite PL 300 Foamboard Adhesive is a low VOC formulation and meets stringent state and federal VOC guidelines.