DAP? Barrier? multi-project gun-grade foam is proven to offer complete 4X protection for homes while offering more projects per can and less waste. Barrier? ultra-durable, high-density, all seasons formula blocks drafts, water, fire and pests. And Barrier? is specially formulated for all sealing projects including small and large gaps, windows and doors (meets AAMA-812), pest entry points and fire blocking penetrations. Barrier? is orange in color for easy building inspections and is available in a 23 oz aerosol can for use with any gun foam applicator.