avid stuff pest block insulating foam sealant insects and pests from entering the home by sealing gaps, cracks and holes where they commonly enter. Specially to block pests. avid stuff pest block insulating foam sealant to fill, seal and insulate gaps up to 1 in. -LRB- 25 mm -RRB-, a long-lived, air-tight and water-repellent barrier. It is specially with a taste sensation ingredient and blocks pests out of the home by eliminating points of entry. The sealant the entry of pests that can damage the house and its contents contains no pesticides. Reduces the need to reapply pesticides and helps improve the home 's energy efficiency by sealing gaps and cracks, air leaks. In Addition to blocking pests from the home, avid stuff pest block air-seals, gaps, and cracks to help keep air from leaking out of or seeping into the home 's envelope. Air-sealing and insulating the home up to 20 % on heating and temperature change costs.