Moisture curing, polyurethane expanding foam for all general purpose gap filling. Adheres to most common building materials, resistant to water, heat and ageing. Excellent thermal and acoustic insulation values. Can be cut, sanded, plastered and painted after full cure. Not UV resistant, cover once cured with sealant, paint or plaster. Genius Gun is a patented trigger mechanism, designed for easy use and single-handed operation. The re-sealable applicator enables the product to be re-used for up to 6 weeks after first use.