All-Weather Performance: Effective in temperatures from 23°F to 100°F (-5°C to 38°C), making it suitable for year-round use in various climates. Minimal Shrinkage & Low Expansion: Specially formulated to minimize shrinking and prevent over-expansion, protecting window and door frames from damage. Low Pressure Formula: Designed to prevent bowing of window and door frames, ensuring a secure and long-lasting seal without added stress on materials. High Yield Straw Applicator: Convenient straw applicator provides 20-50% more yield compared to the competition, maximizing coverage and efficiency. Versatile Applications & Certified Quality: Ideal for sealing window fittings, filling gaps, cracks, and penetrations, as well as sealing roof, wall, and floor joints; UL classified and compliant with AAMA 812 and ASTM E84 standards. When choosing the right window & door foam, you want a product that will expand to fill gaps with only one application, without melting, shrinking or bowing your windows. Window & Door Extreme is our most popular window & door foam for both residential and commercial construction. Designed to provide a wide range of application temperatures, as low as 23°, this low pressure, low expansion foam is ASTM E84 certified, and AAMA/FGIA verified to not bow windows.