Description
BoatLIFE Liquid Life-Calk Sealant 2.8oz Black | Boat Supply Store
Address challenging sealant applications with a low-viscosity, free-flowing polysulfide formulation designed for precision in fine cracks and seams. This 2.8 FL. Oz. tube delivers a robust, permanently flexible seal that is both fuel-resistant and sandable, ideal for critical areas above or below the waterline on fiberglass, wood, or metal hulls. Ensure watertight integrity on hardware bedding, thru-hull fittings, and underwater seams with a sealant that cures to a firm, flexible rubber with excellent waterproofing.
Key Features
- Long-lasting and permanently flexible seal
- Sanded and painted for seamless finish integration
- Above and below the waterline approved for versatile application
- Tack-free in 1 to 3 days for efficient project timelines
- Excellent resistance to teak oils, gasoline, and diesel fuel
- Bonds securely to fiberglass, wood, metal, and glass
- Cures to a firm, flexible rubber seal
- Applied to damp surfaces for convenience in marine environments
Specifications
| Product Specifications | |
|---|---|
| Product | BoatLIFE Liquid Life-Calk Sealant Tube |
| Color | Black |
| Volume | 2.8 FL. Oz. |
| Type | Polysulfide Sealant |
| Viscosity | Low Viscosity, Free-Flowing |
| Flexibility | Permanently Flexible |
| Cure Time (Tack-Free) | 1-3 Days |
| Fuel Resistance | Excellent (Gasoline & Diesel) |
| Teak Oil Resistance | Excellent |
| Paintable | Yes (check compatibility) |
| Sandable | Yes |
| Surface Application | Can be applied to damp surfaces |
| Adhesion | Excellent waterproofing and adhesion qualities |
| Bonding Surfaces | Fiberglass, Wood, Metal, Glass, and itself |
| MPN | 1055 |
Who This Is For
Marine professionals and DIY boat owners requiring a reliable, flexible, and fuel-resistant sealant for detailed applications. It is engineered for tasks such as sealing teak decks, bedding hardware, and ensuring the integrity of thru-hull fittings and underwater seams.
How It Compares
| Feature | BoatLIFE Liquid Life-Calk Sealant 2.8oz Black | Competitor |
|---|---|---|
| Type | Polysulfide | Polyurethane |
| Flexibility | Permanently Flexible | Flexible |
| Tack-Free Time | 1-3 Days | 24 Hours |
| Fuel Resistance | Excellent (Gasoline & Diesel) | Good |
| Teak Oil Resistance | Excellent | Not Specified |
| Application to Damp Surfaces | Yes | Yes |
| Viscosity | Low Viscosity, Free-Flowing | Paste-like |
| Paintable | Yes (check compatibility) | Yes |
Common Concerns Answered
Is the longer tack-free time a significant issue?
While BoatLIFE Liquid Life-Calk Sealant may take longer to become tack-free (1-3 days) compared to some polyurethanes, this allows for better positioning and manipulation, especially in fine seams, ensuring a more precise and reliable seal once fully cured. For projects requiring rapid cure, alternative sealants exist, but may sacrifice some flexibility or fuel resistance.
What are the paint compatibility limitations?
It is crucial to note that this sealant is not compatible with all paints, specifically Sikkens and Cetol Deks Olje. Always perform a test patch or consult paint manufacturer recommendations before painting over the cured sealant to ensure proper adhesion and finish.
How does the flexibility compare to other marine sealants?
BoatLIFE Liquid Life-Calk Sealant offers permanent flexibility, a key advantage for areas subject to vibration or movement, such as around hardware or hull joints. This ensures a durable seal that will not crack or lose its integrity over time.
Frequently Asked Questions
Can BoatLIFE Liquid Life-Calk Sealant be used above and below the waterline?
Yes, this sealant is formulated for use in demanding marine environments both above and below the waterline.
How long does it take for BoatLIFE Liquid Life-Calk Sealant to be tack-free?
The sealant becomes tack-free in approximately 1 to 3 days, depending on environmental conditions.
What surfaces can BoatLIFE Liquid Life-Calk Sealant bond to?
It exhibits excellent adhesion to fiberglass, wood, metal, glass, and can also bond to itself.
Is BoatLIFE Liquid Life-Calk Sealant resistant to gasoline and diesel fuel?
Yes, it offers excellent resistance to gasoline and diesel fuel, making it suitable for fuel system components and areas where fuel exposure is common.
Can BoatLIFE Liquid Life-Calk Sealant be applied to damp surfaces?
Yes, this polysulfide sealant can be applied to damp surfaces, which is advantageous for marine repairs where drying conditions can be challenging.
