"DAP Smartbond" foaming action transforms to an adhesive gel. Polyurethane formula. Exceeds ASTM C-557. For interior and exterior use. Reusable for up to 30 days. Covers 8 x more than a 295 mL cartridge. For use on landscape blocks, brick, natural and synthetic stone, wood, concrete, treated wood and other hardscape materials. 340 g.