Supreme Silicone Window & Door Sealant
- 100% silicone
- 100% weatherproof
- Lifetime mold-free product protection†
- Meets ASTM C-920, Class 50
- 100% more flexibility than Class 25 sealants†
- 7X stronger adhesion†
- 30-minute rain-ready†
- Shrink & crack-proof
- Resists UV degradation
- Won’t blemish most high-end metal finishes like chrome, bronze & nickel
- Lifetime guarantee†
- Neutral curing with low odor
- Non-paintable
†See Product Disclaimers page for important details
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 mold-free product protection that resists stain-causing mold 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.
- 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″.
- Cut nozzle to obtain desired bead size.
- PIERCE INNER FOIL SEAL.
- Using caulk gun, apply sealant into gap. Smooth with a gloved finger or “tool” the caulk into gap.
- Wipe hands & tools thoroughly before washing.
- Allow 30 minutes before exposing sealant to water.
Meets ASTM C-920, Type-S, NS, Class 50, Use A, G & O test requirements
Fed Spec TT-S-00230C; TT-S-001543A
For products produced by Henkel Corporation, please use the UPC Code. You can click on the corresponding UPC code below to access the SDS..
| Color | UPC Code |
|---|---|
| White | 28756956556 |
| Clear | 28756956563 |
| Almond | 28756957065 OR 28756956082 |
| Black | 28756957034 OR 28756956099 |
| Light Gray | 28756956990 OR 28756956112 |
| Brown | 28756957010 OR 28756956105 |
| Supreme Silicone Window & Door Sealant |  All Purpose Silicone 1® Sealant |  Advanced Silicone 2® Window & Door Sealant |  Paintable Silicone Supreme Window & Door Sealant | |
|---|---|---|---|---|
| Water-ready Time | 30-minute | 24 Hours | 30-minute | 30-minute |
| Joint Movement | 50% | 25% | 35% | 50% |
| Available in Squeeze Tube | ||||
| Will Not Blemish Most High-End Metals | ||||
| Low Odor | ||||
| Mold-Free Product Protections | Lifetime | 7-year | 10-year | 10-year |
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