3M Marine Silicone Sealant White 3 oz – Mildew Resistant Boat & RV Above Waterline

3M™ Marine Sealant Silicone / White - 3 oz.

3M™ Marine Grade Silicone Sealant is a high-performance, one-component silicone designed for the demanding marine environment. This weather-resistant sealant provides a durable, mildew-resistant, and non-yellowing seal for above-waterline applications on boats and RVs. It remains flexible and resists high temperatures, ensuring long-lasting performance even after years of exposure. The non-shrinking, non-sagging formula allows for easy and efficient application.

This marine-grade sealant adheres to bare and painted metal, fiberglass, glass, non-oily woods, plastics, and abraded rubbers.

• Marine grade silicone sealant
• Mildew resistant and non-yellowing
• Flexible and weather-resistant
• Non-shrinking, non-sagging application
• Ideal for above-waterline sealing on boats and RVs

Recommended Uses:

• Electrical hatch sealing
• Dashboard components
• Port lights
• Interior and exterior sealing above the waterline

Safety data sheet SDS