10 Best Exterior Caulks 2025 in the United States

The Gorilla Clear Sealant, with its 10-ounce capacity and clear finish, offers good performance for general exterior caulking needs. One of its standout features is the fast full cure time of just 30 minutes, which is quite efficient compared to other sealants that may take longer to cure. This can be particularly beneficial for users looking to complete their projects quickly. The product is also manufactured by the reputable Gorilla Glue Company, adding to its credibility and trustworthiness.

Moreover, the sealant's transparency makes it versatile for various applications without altering the appearance of the surfaces it is applied to. This product is ideal for general sealing tasks around the home and for those who need a quick-curing, clear option. Users should consider additional requirements, such as flexibility and extreme weather resilience, if their projects demand it.

The Gorilla Waterproof Caulk & Seal 100% Silicone Sealant is a versatile and durable option for anyone needing to seal out water, air, and moisture. Its standout feature is its quick curing time; it becomes water-ready in just 30 minutes, which is an excellent advantage for those needing a fast solution.

Additionally, its mold and mildew resistance ensures long-lasting performance without yellowing, shrinking, or cracking, making it suitable for both indoor and outdoor use in various weather conditions. The flexibility and strong adhesion of this sealant allow it to be used on a wide range of surfaces, including stainless steel, wood, glass, and more.

However, it should be noted that being 100% silicone, this sealant may not be paintable, which can be a limitation if you want to match the color of the sealed area with the surrounding environment. The 10-ounce cartridge size is standard but might not be enough for larger projects. This product is excellent for quick repairs and versatile applications, especially where durability and resistance to elements are critical.

The GE Advanced Silicone Caulk for Window & Door is a robust option for individuals needing a reliable sealant that stands up to various weather conditions. Its 100% silicone formula ensures it is completely waterproof and weatherproof, making it highly suitable for areas exposed to rain, sun, and freezing temperatures. This caulk offers 5 times stronger adhesion compared to GE's Silicone 1 and maintains flexibility, which is essential for withstanding temperature changes without cracking or shrinking.

It adheres well to a wide range of materials including metals, wood, brick, stone, and glass, adding to its versatility. Additionally, it's rain-ready in just 30 minutes, which is a significant time saver for those needing quick fixes or working in unpredictable weather. On the downside, the full cure time is 24 hours, so for complete effectiveness, patience is required. Also, while the liquid volume of 2.8 fluid ounces might be adequate for small projects, larger tasks would require multiple tubes, which could be less convenient.

The clear color is advantageous for discreet application, and the compact size makes it easy to handle. This product is best suited for homeowners and DIY enthusiasts looking for a durable, flexible, and weather-resistant caulk for exterior use.