This 6mm × 20mm × 5m black foam weather seal strips are designed to block drafts, moisture, and air leaks around windows, doors, and other building openings. The self-adhesive backing ensures quick, tool-free installation, while the closed-cell foam construction provides a durable, long-lasting seal that resists compression and weathering. Ideal for electricians sealing cable entry points, facilities managers improving building efficiency, and contractors preparing commercial or residential installations.