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Geocel® 4350™ Hybrid Construction Sealant delivers lasting protection

Geocel® - 4350™ Hybrid Construction Sealant delivers lasting protection pr photo
November 6, 2026 at 7:00 a.m.

By The Coffee Shops®.

A permanently flexible, weather-resistant formula provides strong adhesion for metal roofing, siding and general construction applications.

Construction sealants must withstand structural movement, moisture and changing weather without shrinking or cracking. The Sherwin-Williams brand, Geocel®, has developed the 4350™ Hybrid Construction Sealant, engineered to create a strong, watertight bond while maintaining the flexibility needed for long-term performance. The premium hybrid formula provides instant, tenacious adhesion to a broad range of building materials, including PVDF-, SMP- and polyester-coated steel; bare galvanized and Galvalume® metal panels; aluminum; copper; glass and plexiglass; brick and block; wood; vinyl siding; asphalt shingles;
tile; stone; and concrete.

Geocel® 4350™ is permanently flexible and exceeds ASTM C920 Class 50 testing. Its elasticity allows the sealant to accommodate structural movement while maintaining a waterproof seal. Once cured, the formula is mold- and mildew-resistant and creates a barrier against insects, airborne dust and dirt, rust and moisture.

Built for challenging conditions

Projects do not always happen under ideal conditions. Geocel® 4350™ can be applied to wet or dry surfaces and remains workable in temperatures as low as 0 degrees Fahrenheit. The formula also performs on oily, cold or damp surfaces and offers outstanding UV resistance.

The sealant’s non-sag formula helps it stay in place during application. Low odor and strong workability make it suitable for use in extreme cold or heat. It becomes tack-free in 90 minutes or less and reaches full cure in 72 hours.

Versatile protection across the building envelope

Geocel® 4350™ can be used for metal roofing, siding, windows and doors, general construction and original equipment manufacturing for manufactured housing and recreational vehicles.

  • Applications include:
  • Metal roofing and siding laps, seams, fasteners, joints and valleys
  • Roof penetrations, including pipes, vents, stacks, curbing, chimneys, cupolas and pipe boots
  • Skylights, windows, doors and dormers
  • Gutters, downspouts, drip edges and eaves

With a wide range of applications and the workability to get any job done, the Geocel 4350™ is a must have for any contractor.

Learn more about Geocel 4350™ hybrid construction sealant.

Learn more about Geocel in their Coffee Shop Directory or visit www.geocelUSA.com.



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IFD - Building Roofing
Translate
Default
English
Español
Français
Deutsch

UP TO THE MINUTE

Por John Kenney, traducido por Alberto Torres. La seguridad no depende ...
By Emma Peterson. NFRC is calling on roofing companies to ...
Read More
IKO -  - Dynasty
NFRC - - Weather the Storm
IFD - Building Roofing