Description
Black Life-Calk Cartridge Marine Sealant | Boat Supply Store
Address critical sealing and bedding applications with a durable, permanently flexible marine polysulfide sealant engineered for longevity. This formulation ensures superior adhesion to common marine substrates including fiberglass, wood, metal, and glass, providing a watertight seal resistant to common marine fuels like gasoline and diesel. Its ability to cure to a firm, flexible rubber seal makes it ideal for deck seams, hardware bedding, and hull joint repairs on vessels operating in diverse marine environments, from the Gulf Intracoastal Waterway to offshore charters.
Key Features
- Permanent Flexibility for dynamic vessel movement.
- Broad Material Adhesion to fiberglass, wood, metal, and glass.
- Fuel and Oil Resistance against gasoline and diesel.
- Above and Below Waterline application suitability.
- Sandable and Paintable for finishing versatility.
- Rapid Tack-Free Time of 1-3 days.
- Emergency Underwater Application capability.
- Damp Surface Application for convenience.
Specifications
| Product Specifications | |
|---|---|
| Material | Polysulfide Sealant |
| Color | Black |
| Flexibility | Permanent |
| Sandable | Yes |
| Paintable | Yes (with exceptions) |
| Waterline Suitability | Above and Below |
| Fuel Resistance | Gasoline, Diesel, Teak Oils |
| Tack-Free Time | 1-3 Days |
| Adhesion | Fiberglass, Wood, Metal, Glass, Self |
Who This Is For
This sealant is designed for marine professionals and dedicated boat owners requiring a robust, permanently flexible sealant for comprehensive deck, hardware, and hull joint sealing. DIY enthusiasts and repair professionals will find its versatile application properties and fuel resistance invaluable for both routine maintenance and urgent repairs.
How It Compares
| Feature | Black Life-Calk Cartridge Marine Sealant | Competitor |
|---|---|---|
| Type | Polysulfide | Polyurethane, Polyurethane |
| Flexibility | Permanently Flexible | Rigid, Permanent Bond, Good Flexibility |
| Tack-Free Time | 1-3 Days | 24-48 Hours, 1-2 Hours |
| Resistance to Teak Oils | Excellent | Good, Good |
| Can be applied underwater | Yes | No, No |
Common Concerns Answered
The tack-free time seems long; is this a problem?
The 1-3 day tack-free time is characteristic of polysulfide sealants, ensuring a robust, permanent bond. For applications requiring immediate set, consider your project timeline or use masking to protect adjacent surfaces.
I've heard some sealants don't paint well. Is Life-Calk compatible?
Life-Calk is generally sandable and paintable, but compatibility issues can arise with specific high-performance coatings like Sikkens, Cetol, or Deks Olje. Always perform a test patch with your intended paint system.
Is this sealant suitable for my saltwater vessel?
Yes, Life-Calk is specifically formulated for marine environments, offering excellent waterproofing and resistance to saltwater exposure, fuel, and teak oils, making it ideal for both freshwater and saltwater applications.
Frequently Asked Questions
Can BoatLIFE Life-Calk Cartridge be painted?
Yes, BoatLIFE Life-Calk can be sanded and painted, although compatibility with certain premium finishes like Sikkens, Cetol, and Deks Olje is not guaranteed and testing is recommended.
Is BoatLIFE Life-Calk suitable for use above and below the waterline?
Absolutely, this marine polysulfide sealant is designed for effective application and long-term performance both above and below the waterline.
How long does it take for BoatLIFE Life-Calk to become tack-free?
BoatLIFE Life-Calk typically becomes tack-free within 1 to 3 days, depending on ambient temperature and humidity.
What materials does BoatLIFE Life-Calk bond to?
It exhibits excellent adhesion to a wide range of marine materials including fiberglass, wood, metal, glass, and even bonds to itself.
Can BoatLIFE Life-Calk be applied to damp surfaces or underwater?
Yes, this versatile sealant can be applied to damp surfaces and is suitable for emergency repairs underwater.
