Description
BoatLIFE Life-Calk Sealant 2.8oz White | Boat Supply Store
Address critical sealing needs on your vessel with BoatLIFE Life-Calk Sealant, engineered for enduring flexibility and robust resistance to marine contaminants. This non-shrinking polysulfide formulation achieves tack-free status within 1-3 days and provides exceptional adhesion to fiberglass, wood, and metal, making it indispensable for sealing teak decks or bedding hardware components on offshore fishing boats.
Key Features
- Permanent Flexibility Maintains elasticity for dynamic hull movement.
- Non-Shrinking Formulation Ensures a consistent, reliable seal over time.
- Fuel Resistance Withstands common marine fuels and oils.
- Sandable & Paintable Allows for aesthetic integration after cure (verify compatibility).
- Above & Below Waterline Use Versatile for hull seams and deck fittings.
- Fast Tack-Free Time Achieves initial set in 1-3 days.
- Superior Waterproofing Cures to a rubbery seal with excellent adhesion.
- Underwater Application Capability Suitable for emergency repairs on damp surfaces.
Specifications
| Product Specifications | |
|---|---|
| Brand | BoatLIFE |
| Color | White |
| Size | 2.8 FL. Oz |
| Cure Time | Tack-free in 1-3 days |
| Material Type | Marine Polysulfide Sealant |
| Flexibility | Permanently Flexible |
| Resistance | Teak oils, gasoline, diesel fuel |
| Application | Above and below waterline, damp surfaces, underwater |
Who This Is For
Marine enthusiasts and professional boat builders/repairers requiring a resilient, fuel-resistant sealant for hull integrity and deck hardware. This product is ideal for maintaining watertight seals on various substrates above and below the waterline.
How It Compares
| Feature | BoatLIFE Life-Calk Sealant 2.8oz White | Competitor |
|---|---|---|
| Type | Polysulfide | Polyurethane |
| Flexibility | Permanently Flexible | Limited |
| Fuel Resistance (Gasoline/Diesel) | Excellent | Good |
| Teak Oil Resistance | Excellent | Not Specified |
| Sanding/Paintability | Yes (with compatibility notes) | Yes |
| Underwater Application | Yes (emergency repairs) | Yes |
| Tack-Free Time | 1-3 Days | 24-72 Hours |
Common Concerns Answered
What is the primary advantage of BoatLIFE Life-Calk Sealant over other sealants?
BoatLIFE Life-Calk Sealant offers superior resistance to teak oils, gasoline, and diesel fuel, alongside permanent flexibility, making it uniquely suited for demanding marine environments where other sealants may degrade.
Are there any limitations regarding painting over BoatLIFE Life-Calk Sealant?
While paintable, compatibility can be an issue with certain paint types, such as Sikkens, Cetol, and Deks Olje. Always test compatibility with your intended paint system.
Why might a boater choose a sealant with a longer cure time like Life-Calk?
The longer tack-free and cure times contribute to Life-Calk's exceptional adhesion and permanent flexibility, allowing for proper bonding and movement accommodation which is crucial for long-term watertight integrity on a moving vessel.
Frequently Asked Questions
Can BoatLIFE Life-Calk Sealant be painted?
Yes, BoatLIFE Life-Calk Sealant can be sanded and painted once fully cured, though compatibility with specific paint types, particularly oil-based finishes like Sikkens, Cetol, and Deks Olje, should be tested.
Is BoatLIFE Life-Calk Sealant suitable for use below the waterline?
Yes, BoatLIFE Life-Calk Sealant is specifically designed for use both above and below the waterline, providing excellent waterproofing and adhesion for hull seams and fittings.
What surfaces will BoatLIFE Life-Calk Sealant bond to?
This sealant bonds effectively to fiberglass, wood, metal, glass, and itself, ensuring a strong, durable seal across common boat construction materials.
How long does it take for BoatLIFE Life-Calk Sealant to become tack-free?
BoatLIFE Life-Calk Sealant typically becomes tack-free within 1 to 3 days after application, indicating it has begun to cure.
Can BoatLIFE Life-Calk Sealant be applied to damp surfaces or underwater?
Yes, BoatLIFE Life-Calk Sealant can be applied to damp surfaces and is suitable for emergency repairs underwater, facilitating immediate leak containment.
