Premium Material: This roof closure strip is high-density closed-cell EVA foam, offering waterproof and moisture-proof performance. It holds up well in extreme temperatures and harsh weather. Even in extreme sun, cold, or rainy conditions, it won't crack, shrink, or age, ensuring long-lasting performance for your roof High Efficiency: The closed-cell structure of this closure strip naturally rebounds and compresses, absorbing vibrations and reducing noise. In summer, it blocks external heat, reducing the load on your air conditioning. In winter, it helps retain warmth, keeping your home comfortable. It also shields against strong winds and provides excellent thermal insulation Precise Fit: This foam closure strip fits seamlessly with the curves of most metal roofs. Even heavy rain or snow keeps water from entering the house