Founded in 1974, the Geocel brand has built a strong reputation for providing innovative sealants specially designed for tough construction and repair applications in commercial, residential, industrial and transport
(non-automotive) markets.

Quality is a key ingredient in every Geocel product and service offered. This
is why professionals have come to trust and depend on Geocel products to
help them do the job right the first time. The quality line of sealants helps professionals save time, lower costs and reduce callbacks.

Geocel has a long history of setting the standard in quality. Geocel was the first U.S.-based sealant manufacturer to receive ISO 9001 Registration. Standards
like these, along with contractor participation in new product development,
have brought about many of the innovative solutions that are relied on today with confidence.

Geocel strives for and succeeds in maintaining the following values:

• Integrity
• Quality
• Health and safety
• Customers
• People
• Community

In all that we do, we are committed to excellence. Without our customers and employees, we would not exist. We value initiative and innovation, and will continue to work to improve the quality of life in the communities where we live; leaving them better places for those who follow. We will periodically take time to recognize and review our progress and celebrate these values that contribute positively to the achievement of our goals. For peace of mind, look to the one who is setting the standard in sealants. Look to Geocel.

Visit our website.

Geocel 3300® Sealant

Geocel 3300® Sealant stands as a pinnacle in professional-grade polyurethane sealants, boasting a single-component formulation designed to brave adverse weather conditions with resilience. This sealant offers moisture cure properties while retaining its flexibility, ensuring a durable and weatherproof seal. Its non-sag formula coupled with minimal shrinkage makes it ideal for a myriad of applications, including roofing projects involving concrete, clay, metal, and composition materials. With primerless adhesion on most surfaces and being paintable and non-corrosive, Geocel 3300 sealant proves indispensable in a range of construction tasks, promising reliability and longevity in  every application.

Learn more.

Geocel's 50th Anniversary!

Geocel is celebrating our 50th Anniversary! We have come far in the last half-century, here are some highlights!

• Initially produced product for the local RV manufacturing market
• Expanded to lumberyards to provide a high quality sealant to compete with high cost silicones
• Line expanded in the 80’s to provide a broad selection
• New product development in the ‘90’s led to 2300 and primary focus on roofing applications
• Became part of the Sherwin-Williams family of companies in 2012 greatly enhancing service with distribution points across the US

Learn more.

2300® Construction Tripolymer Sealant

A single component, high-performance
elastomeric sealant for use in a wide variety of roofing, trim, architectural, metal, manufacturing, underdeck system, solar roof system, and general construction applications.

• Will not crack
• Asphalt shingle compatible
• Exceptional elongation and flexibility
• Excellent adhesion to many building surfaces, even when damp
• UV resistant
• Resealable, may be applied over itself
• Paintable
• Easily applied, non-stringing formulation
• Available in crystal clear, colors, and specially designed metal roof
colors
• Cured sealant is mildew resistant

Learn more.

4500® Roof Bonding Sealant

Geocel 4500® Roof Bonding Sealant is a premium Scypolymer® one-component, proprietary bonding sealant specifically designed for roofing applications and systems. The advanced technology of Geocel 4500® Roof Bonding Sealant results in a product that quickly withstands ponding water while bonding to many common roofing substrates.

Features

• Applies, adheres, and cures underwater
• 2 products in 1 - lap adhesive & scrim edge sealant
• No additional adhesives or sealants needed
• Remains flexible
• Works with EPDM membranes, tapes, and patches
• Can also be used as a night seal and for core/test cuts
• Non-flammable formulation

Learn more.

Geocel 4350™ Metal Roof and Siding Construction Sealant

Geocel 4350™ provides a strong, long-lasting bond to PVDF, SMP, and polyester-coated steel, bare galvanized, Galvalume® metal panels, aluminum, copper, skylights, glass, brick, block, wood and vinyl siding. Geocel 4350™ stays flexible and can be applied in extreme wet or dry conditions, even down to 0 degrees F.

Features

• Long-lasting watertight seal that won’t shrink.
• Permanently flexible and exceeds rigorous ASTM C-920 Class 50 testing.
• Apply in wet, dry or challenging weather conditions down to 0 degrees F.
• Strong lasting bond.

Learn more about Geocel 4350™.

Geocel Phantom™ Metal Roof Sealant

Phantom™ Metal Roof Sealant has six translucent, customizable colors that allow any panel color to shine through and blend with the surface for a great look and superior protection – saving you time and money. Phantom™ can be used on wood, concrete, metal, glass, tile, brick, asphalt shingles, primed TPO, primed PVC, EPDM, vinyl, skylights, HVAC applications and other common building substrates.

Features

• Weatherproof plastic cartridge
• Exceptional elongation and flexibility
• Excellent adhesion to coated metal panels, even when damp
• Remains flexible
• UV resistant
• Resealable, may be applied over itself
• Paintable
• Asphalt shingle compatible
• Easily applied, non-stringing formulation
• Tools and cleans up easily
• Cured sealant is mildew-resistant

Learn more about Phantom™ Metal Roof Sealant.

Download the sell sheet.

Latest Videos

Geocel's Video Playlist

See more videos from Geocel on their YouTube channel. To learn more about Geocel, visit their RCS Directory,, their MCS Directory,, or their CCS Directory. Uniflex OneFlash Step-Saving Flashing and Seam Sealer Uniflex® One Flash™ Permanent Roof Repair Sealant is a premium flashing grade, UV stable sealant that is permanently flexible. It is ...
View Video

Partner Photo Gallery