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Boat Life 1171 LifeSeal Marine Sealant Black 10.5oz Cartridge

Manufacturer

Boat Life

<h3>About BoatLIFE</h3><p><strong>BoatLIFE</strong> has been a cornerstone of the marine maintenance industry for over 65 years, earning a reputation as one of the most trusted names on the water. Founded in 1959 and proudly manufactured in the USA, the brand traces its origins to the pioneering work of Edwin Kehrt, a former U.S. Army Corps of Engineers captain whose introduction of purpose-built marine caulking and sealant compounds helped transform how boaters approach hull integrity and long-term care.</p><p>What sets BoatLIFE apart is a simple but enduring philosophy: every product in their lineup should be engineered specifically for the demands of the marine environment — not adapted from general-purpose formulas. Saltwater exposure, UV radiation, fuel contact, and constant immersion require performance standards that go well beyond what household maintenance products can deliver. BoatLIFE has built its entire catalog around meeting those standards.</p><h3>A Complete Marine Maintenance System</h3><p>At the heart of the BoatLIFE lineup is their legendary range of <a href="/7264-boat-life-caulks-sealants-201788">marine caulks and sealants</a>. The flagship Life-Calk&reg; polysulfide sealant has become an industry benchmark — a permanently flexible, waterproof compound that bonds to fiberglass, wood, metal, and glass, and can even be applied underwater for emergency repairs. Alongside it, BoatLIFE offers silicone rubber sealants, polyurethane adhesive/sealers, and teak deck sealants, giving boaters a purpose-matched solution for every sealing task above or below the waterline.</p><p>Beyond sealants, BoatLIFE produces a comprehensive suite of boat cleaners, waxes, rubbing compounds, polishes, and restoration solutions. Their Boat Cleaner features an environmentally safe, phosphate-free, biodegradable formula that lifts grime without stripping protective wax from fiberglass surfaces — a thoughtful detail that reflects the brand&apos;s understanding of how products interact throughout a complete maintenance routine. Their Life Wax line protects hull gelcoat from UV damage while delivering a deep, lasting shine, and the Teak Brite&reg; series of powder cleaners and brighteners addresses the specific needs of teak decks, swim platforms, and wood trim without damaging soft wood grain.</p><h3>Why Boaters Trust BoatLIFE</h3><p>For over six decades, BoatLIFE has refined its formulas based on real-world feedback from recreational boaters, professional captains, and marine tradespeople. Their commitment to American manufacturing means tighter quality control and formulations that reflect the conditions found in both coastal saltwater environments and freshwater lakes. Whether you&apos;re rebedding deck hardware, sealing thru-hull fittings, restoring oxidized gelcoat, or cleaning a live well, there&apos;s a BoatLIFE product engineered for the task.</p><p>The brand&apos;s in-house team of technical experts is also available to help boaters choose the right product for specific applications — a level of support that reflects genuine expertise rather than generic customer service. For anyone serious about maintaining their vessel&apos;s condition and longevity, BoatLIFE represents a time-tested, all-American solution built from the waterline up.</p>

Part Number

1171
06/01/2036 12:58 AM
Sale Price

$19.37

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Boat Life LifeSeal is a premium hybrid marine sealant that combines the best properties of silicone and polyurethane technologies for superior bonding and sealing performance. This professional-grade sealant is specifically formulated for marine applications where a flexible, waterproof seal is essential.

Key Features:

  • Hybrid formula combines silicone flexibility with polyurethane adhesion strength
  • Excellent adhesion to multiple substrates including metal, glass, wood, Lexan, and ABS plastic
  • Ideal for sealing and bedding deck hardware, thru-hull fittings, and vinyl ports
  • Perfect for windshield installation and glazing applications
  • Flexible seal accommodates movement and vibration in marine environments
  • Superior water and weather resistance for long-lasting protection
  • Black color for professional appearance
  • Standard 10.5 oz cartridge fits common caulking guns
  • Non-paintable formula

LifeSeal provides a reliable, long-lasting seal for both above and below waterline applications. Its hybrid chemistry delivers the flexibility needed to handle hull flex and thermal expansion while maintaining a watertight seal. This sealant is trusted by boat builders and marine professionals for critical sealing applications where failure is not an option.

Products specifications

Color

Black

Size

10.6 oz. cart.

Very good, and really good prices.

ugg... the description was lacking

I saved over a hundred$ on a set of electric cooling fans. so the prices r great but it took 4 days to process and ship my order so well see how long it takes to get here but overall I would rather save money than get fast shipping

I've used them twice in the past 2 weeks to get parts for my Cobra. I always get shipping updates and get my parts very quickly. Very reliable and highly recommended.

Easy to deal with, lowest price and included quick shipping.

You had the lowest prices on my item that I could find.

so far so good

great price!!

Great price and great service highly recommended. Will purchase again

the amazon payment did not work; hope I don't get double billed since I went with paypal afterwards. Meanwhile, I could not verify that my amazon order is cancelled/never placed.

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