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 All Purpose Silicone Caulk is a versatile sealant recommended for a variety of surfaces. Its 100% waterproof and weatherproof formula ensures excellent protection against water and extreme weather conditions, making it suitable for outdoor projects. The caulk offers strong adhesion to a wide range of materials including metals, woods, glass, drywall, plaster, and tiles, which adds to its versatility.

Another notable strength is its flexibility, which helps maintain a durable seal even with temperature fluctuations and movements in the materials. It is rain-ready in just 12 hours and fully cures in 24 hours, allowing for relatively quick use after application.

However, there are some limitations to consider. The caulk is not paintable, which means it might not be the best choice if you need a finish that blends seamlessly with painted surfaces. Its clear color, while discreet, may not be suitable for every aesthetic preference. Additionally, while it adheres to many surfaces, it might not be the ideal choice for specific materials or specialized applications that require different properties.

This caulk is a solid choice for general sealing tasks, especially where waterproofing and flexibility are crucial. It is particularly beneficial for outdoor and multi-material projects, but less so for those needing paintable or color-specific finishes.