Soprema Alsan Uni W 500 ml Polyurethane Insulating Foam

This one-component, low-expansion polyurethane foam by Soprema is specifically formulated for use in the widest range of climates and temperatures on windows, doors, gaps and cracks. Won't bow window and doors frames. Insulates and seals. Application in a wide temperature range -20°C to 30°C (-4°F to 86°F). Permanent adhesion to vinyl, wood, and metal, in addition to being airtight and waterproof. Exterior and interior use. Maximum R value: 6.