3M Marine Grade Silicone Sealant

3M Marine Grade Silicone Sealant is a high-performance sealant designed for use in marine environments. Specifically formulated for above-the-waterline sealing on RVs, boats, and personal watercraft, it offers an exceptional bond to a variety of surfaces. Its unique non-shrinking formula ensures a durable, flexible, and weather-resistant seal, making it ideal for a range of applications both inside and outside marine vehicles.

Key Characteristics

Specialized for above-the-waterline marine applications.
Non-shrinking elastomeric bond that remains firm yet flexible.
Adheres to paint, fiberglass, metal, glass, non-oily wood, plastics, and abraded rubber.
Resistant to extreme weather conditions and high temperatures.
Prevents mildew growth, avoiding degradation and discoloration.
Non-yellowing to maintain a professional appearance over time.
Easy to apply with no sagging, suitable for vertical surfaces.
No mixing required and can be applied directly from the container.
Tack-free in approximately 20 minutes, fully cures in 24 to 48 hours.