DAP Barrier multi-project ready to use 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 bright white in color and is available in a 12 oz aerosol with reuse adapter and 2 straws.