Supreme Silicone Window & Door Sealant

Supreme Silicone Window & Door sealant is a premium, 100% silicone and 100% waterproof sealant that provides a reliable seal in weather-prone areas like windows, doors, basements, roofs, sidewalks, siding, tuckpointing and attics. This sealant offers 100% more flexibility than Class 25 sealants and 7X stronger adhesion than Silicone 1* sealant. And, it offers 50% joint movement capability without cracking, shrinking, breaking down or washing away. This sealant has lifetime mould-free product protection that resists stain-causing mould and mildew growth. Backed by a lifetime guarantee.

Adheres to: most metals & woods, aluminum, composites, brick, stone, stucco, masonry, cement board, glass, ceramic & porcelain tile, drywall, plaster, vinyl siding, PVC, fiberglass & painted surfaces

For additional information, see product label.

1. Remove dirt, grease, moisture, soap residue & old sealant from area to be sealed.  Use backer rod for gaps larger than 1/2″ x 1/2″.
2. Cut nozzle to obtain desired bead size.
3. PIERCE INNER FOIL SEAL.
4. Using caulk gun, apply sealant into gap. Smooth with a gloved finger or “tool” the caulk into gap.
5. Wipe hands & tools thoroughly before washing.
6. Allow 30 minutes before exposing sealant to water.

How to Seal Exterior Window Trim to Last

Learn how to seal exterior window trim with GE-branded silicone sealant to keep your home protected against rain, snow, wind and other harsh weather conditions.

How to Seal Around the Exterior of a Door Properly

Knowing how to seal a door frame will help keep water, rain, drafts and pests out of your home. Learn how to seal around an exterior door with silicone sealant.

Meets ASTM C-920, Type-S, NS, Class 50, Use A, G & O test requirements
Fed Spec TT-S-00230C; TT-S-001543A