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. Barriers ultra-durable, high-density, all seasons formula blocks drafts, water, fire and pests. And Barrier is specially formulated for all sealing projects including small & large gaps, windows & 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 23oz aerosol can for use with any gun foam applicator.