Built for tough outdoor sealing jobs, the G. E. Sealants 10.1 oz. Gray Silicone 2 Metal Caulk delivers a fully waterproof silicone bond designed for long-lasting performance on metal and more. This advanced gray silicone 2 metal gutter caulk sealant stays permanently flexible, helps resist mold and mildew for up to 10 years, and is ready for rain in about 30 minutes.

 

• Waterproof silicone seal  

• Exterior-ready performance  

• Bonds wet or dry  

• Flexible, durable hold  

• Resists shrinking and cracking  

• 10-year mold protection  

• Works on many materials