3M Below Water Marine Sealant (3M 5220)
Experience reliable sealing with 3M Below Water Marine Sealant (3M 5220), a high-performance product from 3M in the Gaskets & Seals range, available at Big Burjo's Marine (bigburjos.com). This fast-curing white polyurethane chemically reacts with moisture to deliver strong, flexible bonds to wood and fibreglass. It creates water-tight seals above and below the waterline, making it ideal for sealing hull joints, deck penetrations and other marine applications where water exposure is constant.
Designed for marine parts and boat parts projects, the 3M Below Water Marine Sealant provides enduring gaskets & seals that stand up to spray, rain and repeated immersion. It’s a trusted choice for installations where a dependable water-tight seal is essential.
Free delivery Australia-wide on orders over $350. We deliver to every marina, port, coastal town in Australia, including Townsville Marina, Cairns Marina and Sanctuary Cove, ensuring you can source top-quality sealants and other parts for your vessel without delay.
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.