Marine Sealant 300ml Cartridge - Professional Grade Adhesive
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
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
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
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.