My Account
Shopping Cart

Geocel GC68113 8125 100% Silicone High Performance Acetoxy Cure Sealant Black 10.3 oz

Manufacturer

Geocel

<h3>About Geocel</h3><p><a href="/7364-geocel-corporation">Geocel</a> has been setting the standard in sealant technology since its founding in 1974 in Elkhart, Indiana. For over five decades, the brand has built a well-earned reputation for delivering innovative, high-performance sealants engineered for the toughest construction and repair challenges across commercial, residential, industrial, and transportation markets.</p><p>What distinguishes Geocel from the competition is an unwavering commitment to quality backed by independent certification. <strong>Geocel was the first U.S.-based sealant manufacturer to receive ISO 9001 Registration</strong> — a milestone that reflects the company's dedication to process excellence, consistency, and continuous improvement. Contractors and builders have come to rely on Geocel products knowing that every tube or cartridge meets the same exacting standards, job after job.</p><h3>A Comprehensive Sealant Portfolio</h3><p>Geocel's product lineup spans a broad spectrum of chemistries and applications, including hybrid, polyurethane, silicone, and solvent-based formulations. Whether the task involves sealing a metal roof, bonding EPDM membrane flashing, weatherproofing an RV, or protecting a concrete joint from moisture intrusion, there is a Geocel product engineered for the job.</p><p>Among the brand's flagship offerings is the iconic <strong>Geocel 2300® Roof Tripolymer Sealant</strong>, a single-component, high-performance elastomeric sealant suitable for roofing, trim, architectural metal, solar roof systems, and general construction. The <strong>Geocel 4500</strong> takes performance further still — it applies, adheres, and even cures underwater, making it an indispensable tool for demanding roofing applications. And for professionals who need an exact color match on metal panels or siding, the innovative <strong>Geocel Phantom</strong> sealant features translucent tinted formulas that allow the surface color to show through for a seamless finish.</p><h3>Built for Professionals, Trusted by All</h3><p>One of Geocel's core principles is that great sealants save time, reduce material costs, and eliminate costly callbacks. The brand achieves this by actively involving professional contractors in new product development, ensuring that every innovation addresses real-world challenges rather than theoretical ones. This collaborative approach has driven decades of product breakthroughs and made Geocel a market leader in roofing sealants.</p><p>For RV owners and transportation applications, <a href="/7364-geocel-caulks-sealants-201788">Geocel caulks and sealants</a> like the Pro Flex RV line bond to virtually all common RV substrates — including damp, frozen, and oily surfaces — while remaining flexible enough to handle the constant joint movement and thermal cycling that comes with life on the road. Whether you are a professional contractor sealing a commercial roof or a weekend DIYer repairing a camper, Geocel's range of <a href="/7364-geocel-caulks-sealants-200248">specialty caulks and sealants</a> delivers reliable, long-lasting protection you can count on.</p>

Part Number

GC68113
05/31/2036 10:54 PM
Sale Price

$9.44

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Geocel 8125 is a high modulus, one-component 100% silicone sealant with excellent adhesion to non-porous surfaces and the ability to withstand ±25% joint movement. This acetoxy cure sealant can be applied in temperatures from -20°F to 122°F and provides service temperature resistance from -60°F to 300°F. The black finish provides a professional appearance that blends seamlessly with dark surfaces and materials.

Key Features:

  • High modulus, one-component silicone formula
  • Withstands ±25% joint movement for flexible, durable seals
  • Service temperature range: -60°F to 300°F (-51°C to 149°C)
  • One day cure time
  • Adheres to glass, wood, vinyl, metal, ceramic, painted surfaces, and many other common building substrates
  • UV resistant and weatherproof for long-lasting performance
  • Convenient 10.3 oz cartridge for standard caulking guns

This professional-grade sealant is ideal for sealing joints, cracks, and gaps in glass, wood, vinyl, metal, ceramic, and painted surfaces. Perfect for both indoor and outdoor construction applications where a reliable, waterproof seal is required. The acetoxy cure formula provides excellent adhesion and durability for professional contractors and serious DIY projects.

Great experience. Fast shipping. Thank you.

Great service and a great product!

Fantastic prices.

Thank You

Quickly found what I needed!

quick, easy, and the right price !

Good

great

Share icon
Return Policy
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