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 16580, Accuspray ONE Spray Gun System with Standard PPS, 7100099202
3M 96106, Venture Tape Double Coated Nylon Tape 3693FLE, Right and Left Hand, 1.5 in x 60 yd, 7100043839
Insize 7262-200, OUTSIDE SPRING CALIPER, 8", 6928640319679
Standard Abrasives 704817, A/O Full Taper Cartridge Roll, 1/2 in x 1-1/2 in x 1/8 in 180, 7100093002
Dynabrade 51400 3" Dia. 7 Degree Offset Rotary Buffer, .4 hp, 3,200 RPM, Rear Exhaust, 3/8"-24 Spindle Thread
3M 50010, VentureClad Insulation Jacketing Tape 1577CW-WME, White, 99 mm x 13.7 m, 7010379907
Dynabrade 07107 Vane Set (5pk)
3M 92574, Temflex Vinyl Electrical Tape 165, Purple, 3/4 in x 60 ft (19 mm x 18 m), 6 mil, 7100169434
3M 26127, PPS Series 2.0 Adapter, Type S31, 1/8 Male, 28 Thread BSP, 7100135953
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
3M 64469 Scotch-Brite Durable Flex Belt, DF-BL, A/O Fine, 3/4 in x 18 in, 7100105418
3M 26618, Accuspray Atomizing Head Refill Pack for 3M PPS Series 2.0,Clear, 1.8 mm, 7100141416 (4 Nozzles/Kit) 
