Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Marine Sealant 300ml Cartridge - Professional Grade Adhesive

Original price $21.78 - Original price $21.78
Original price
$21.78
$21.78 - $21.78
Current price $21.78
Availability: 26 in stock

No restocking fees on eligible returns

You have 30 days to request a return. All sale items are final sale.

Customer pays return postage. Return postage is reimbursed if we made a mistake.

Professional-grade marine sealant in a convenient 300ml cartridge designed for reliable bonding and sealing in marine applications. This high-performance sealant provides durable, waterproof seals for deck hardware, fittings, and hull-to-deck joints.

Key Features:

  • Professional-grade formulation for marine environments
  • Waterproof and weather-resistant seal
  • Excellent adhesion to fiberglass, metal, and wood
  • Flexible cured seal accommodates movement and vibration
  • 300ml cartridge fits standard caulking guns

Applications:

Ideal for sealing deck hardware, through-hull fittings, hatches, ports, hull-to-deck joints, and other marine bonding applications. Suitable for above and below waterline use.

Application Note:

Ensure surfaces are clean, dry, and free of contaminants before application. Follow manufacturer's cure time recommendations before exposing to water or stress.

Shipping information

Free standard shipping in Canada on eligible orders over $150 CAD after discounts and before taxes, up to 15 kg. Freight, oversized, remote-area and express exclusions apply. See our shipping policy.

In-stock at Marisol: usually ready for pickup the same day. Supplier-stock items: usually ready for pickup within 24 hours. Wait for your pickup-ready confirmation.

In-stock items receive priority shipping processing. Supplier-stock items generally ship within 1–3 business days. Special-order timing varies. Carrier delivery time is additional.

Returns & warranty

Returns & Satisfaction Guarantee

We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.

If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.

To qualify for a return:


  • Item must be in new, unused condition

  • Product must be in its original packaging

  • All parts, components, hardware, manuals, and accessories must be included

  • Packaging must be undamaged and suitable for resale

Important:

Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.

We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.

For return authorization, please contact our support team before shipping anything back.

No restocking fee applies to eligible returns. Customers arrange and pay return postage unless we made a mistake, in which case we reimburse return postage. See the return policy for eligibility and exclusions, or contact us.

Free Shipping

Eligible Canadian orders over $150 CAD, up to 15 kg. Exclusions apply.

Here to Help

Get in touch with us

Store Pickup

Pick up your order yourself, for free

Easy Exchanges

30-day eligible returns. No restocking fee. Customer pays return postage unless we made a mistake.