The M-D Platinum Expandable Foam Weatherseal is designed to safeguard against drafts, moisture, dustand insects while accommodating uneven and oddly-shaped gaps flawlessly. Its expandable foam gradually fills gaps, ensuring a perfect fit as it expands to meet your specific requirements. Efficiently seal your home and prevent heat or air conditioning loss, contributing to substantial energy savings. Achieve a watertight seal when compressed by 80%, ensuring comprehensive protection against external elements. The installation process is a breeze - simply peel the liner and adhere to the desired surface for instant sealing. Customize the length effortlessly using scissors before installing, allowing for tailored application to your windows. Elevate your home's insulation and protection with this reliable foam weatherstrip, an ideal draft seal for windows that effectively blocks drafts and enhances energy efficiency. Experience the benefits of compression weather stripping with this adaptable foam window seal, ensuring a snug fit and long-lasting performance for your home.