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Boat Life 1151 Marine Silicone Rubber Sealant White 10.5 oz 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

1151
06/21/2036 2:06 PM
Sale Price

$16.95

In Stock (10+)

delivery box

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 1151 is a premium marine-grade silicone rubber sealant designed specifically for demanding boat applications. This professional-quality caulk creates a durable, waterproof seal that stands up to the harsh marine environment including constant exposure to water, salt, UV rays, and temperature extremes.

Key Features:

  • 100% silicone rubber formula for maximum flexibility and adhesion
  • Compatible with fiberglass, metal, plastic, and wood surfaces
  • Ideal for sealing large cracks, gaps, and openings in boat structures
  • Excellent resistance to water, weather, and marine chemicals
  • Remains flexible after curing to accommodate boat movement and vibration
  • White finish provides clean, professional appearance
  • Standard 10.5 oz cartridge fits most caulking guns

This non-paintable silicone sealant is perfect for through-hull fittings, deck hardware, hatches, portlights, and other marine applications where a reliable waterproof seal is essential. The formula maintains its sealing properties in both freshwater and saltwater environments.

Products specifications

Color

White

Size

10.6 oz. cart.

Would like way to expedite processing of order

Awesome service

Quick,easy use site

Excellent

Had what I needed and at a very good price. Fast shipping alls good here.

Great products and fast shipping

all good

Nice and fast, clear and easy to read if this is the part I want, and if it will fit my car or NOT.

It was easy and fast

easy order and lowest price found on the net

So far so good

Safe &amp; Secure!

Good Price, easy online browsing.

So far so good

After shopping around and comparing prices Autoplicity had the best low price, and a great professional website. Ive referred family and friends and will definitely shop there again.

Very fast service order arrived next day after they shipped it.<br>product looked great except for the bottom bolt brackets were slightly bent but that could have happened during shipment. Otherwise I'm happy with the transaction!

Fast and easy shopping

Excellent shop with good prices, rapid delivery, good support, thank you!!!<br>This shop I would recommend for the purchases of auto of repair parts.<br><br>YULIYA.

I have used them a couple times. Always seem to be one of the lowest prices on the internet and pretty quick turnaround on shipping. If you live near Los Angeles, they have a warehouse in Cerritos, so things arrive real quick once they're shipped.

Very happy with my order and how smooth it went!! Thanks again!

This is an excellent company to buy from....the step by step email s letting me know exactly what stage my order is on has been very helpful in keeping track of my purchases! They had the right product at the right price for me!

great price and free shipping!

Great price on a hard to find item. Lightning fast shipping with same day service, wow!!!

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Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy