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Aeropak PU Foam Sealant is made of high quality one-component polyurethane material. It has a large expansion capacity, and can be hardened within air moisture. Its harden surface can be painted, and the temperature-resistance is from -40° C to 90° C. It can be adhere to all building materials and applied to insulating and filling of larger seams, joints, cracks such as gaps between walls, windows and doors, unreachable areas around pipes, etc. It has good performances in anti-freezing, anti-moisture, noise-resistant and heat -insulation.
Directions: 1. Make sure surface is free of oil and dirt. 2. Shake can vigorously; 3. Install PU foam gun or spraying straw to the valve according to the instruction. 4. Convert the can, then press trigger, there would be foam flowing out. 5. In a general way, just fill in the hole or gap by 70% when gun-type, and 50% when straw-type. 6. Polyurethane foam sealants require some humidity in order to cure properly. For best results, apply in temperatures between 60-100° F (16-38° C). Allow foam to cure fully before replacing baseboards, window or door frames. 7. Paint outdoor applications to avoid discoloration. Wait until foam is rigid before painting or trimming (30-60 minutes).
