Withstands Harsh Marine Environments
Providing a high-quality seal, 3M™ Marine Grade Silicone Sealant is a one-component cure, silicone sealant engineered to withstand the harsh marine environment. This weather-resistant sealant is formulated to resist mildew and form a non-yellowing seal for above waterline applications. In addition, this marine sealant is high-temperature resistant and remains flexible even after years of exposure. The non-shrinking and non-sagging properties of this product offer simple and efficient application. This marine-grade sealant adheres to bare and painted metal, fiberglass, glass, non-oily woods, plastics and abraded rubbers.
Recommended Applications
- Electrical hatch sealing
- Dashboard components
- Port lights
- Above the waterline interior/exterior sealing
Designed to Endure Marine Environments
3M™ Marine Grade Silicone Sealant is a part of a broad range of adhesive sealants uniquely formulated for the marine market. 3M™ Marine Grade Silicone Sealant is designed for reliable sealing performance in harsh marine environments.
Understanding Adhesive Sealants
Adhesive sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges.
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

3M 53636, Scotch High Tack Box Sealing Tape 311+, Clear, 48 mm x 914 m, 6 Rolls/Case, 7100253856
Dynabrade 61205 RaptorVac Pneumatic DrumVac Kit, Single Operator, General Purpose
Dynabrade 78493 4" Dia. x 2", 1/4-20 Female Center Thread, A/O, 60 Grit, 8-Ply J-DynaCut Cross Pad, 100/pack
Dynabrade 01014 Rear Bearing Plate
Dynabrade 56863BKV 6" Robotic Supreme Kit w/Vacuum
Dynabrade 64863 Variable Speed Versatility Grinder, Slack-Action, 3 hp, 460 V (AC), 3 Phase, 50/60 Hz, 2,000-8,000 SFPM, 1/4"-2" W x 72" L (6-51 mm x 122 cm) Belts
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
Dynabrade 13214 Dynastraight Finishing Tool, .7 HP, Rear Exhaust, 4,500 RPM, 5/8"-11 Arbor
Dynabrade 11025 1/2" W x 7" L Soft Platen Pad 5-Pkg.
Dynabrade 51345 2" (51 mm) Dia. Locking-Type Disc Pad, Medium Density, 3/8"-24 Thread
Dynabrade 11360 Contact Arm Ass'y, 5/8" Dia. x 3/8" W, Rubber Wheel, No Platen/Offset Design
Dynabrade 81004 2" W x 42" L 60 Grit A/O DynaCut Belt, 10/pack
Dynabrade 53073 1/4" Right Angle Drill, .4 HP, Rear Exhaust, 3,200 RPM
Dynabrade 54807 Drop-In Motor
Dynabrade 90499 1/2" W x 34" L 120 Grit A/O DynaCut Belt, 50/pack
Dynabrade 95676 1/4" Female Coupler with 1/4" Male Plug Assembly 
