Supreme Silicone Window & Door Sealant

Clear / white · US · not yet reviewed

Not paintable.

Full cure: 1 day after application.

Start the clock

* Shorter only under the manufacturer’s stated conditions.

From GE (Henkel) data sheet · checked 2026-10-24. Anything not listed isn’t stated by the manufacturer.

Conditions & fine print

Stated conditions: 73°F and 50% relative humidity
The 30-minute rain-ready claim applies only to beads of 3/16 in. or less at 65°F or warmer and 50% humidity or higher. Otherwise wait 8 hours. Do not touch or clean for 24 hours.
Temperature range: -31°F to 100°F
Region US. Formulas can differ between countries; check your container.
Tack-free: 73°F and 50% RH
Rain-safe: 30 minutes only if bead ≤ 3/16 in., ≥ 65°F and ≥ 50% RH
Entered from the manufacturer source; second review pending. Report outdated information
Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Can Supreme Silicone Window & Door Sealant be painted?

GE (Henkel) states: Not paintable. This is the manufacturer’s stated time, not a guarantee.

How long before Supreme Silicone Window & Door Sealant is full cure?

GE (Henkel) states: Cure time: 24 hours. This is the manufacturer’s stated time, not a guarantee.