Polyurethane Foam – Low Expansion – Straw Version - 340 g

This low-expansion polyurethane foam is designed to seal cracks and gaps efficiently without putting pressure on surrounding materials. Perfect for use around windows, doors, and other openings, it enhances both thermal and sound insulation in residential settings. The built-in straw applicator makes it easy to apply with precision—even in tight or hard-to-reach spaces. With a net weight of 340 g, it’s ideal for small sealing jobs and remains effective even in cold temperatures as low as -25 °C.