Ultimate Sealant
Window & Door
White

Gorilla Ultimate Sealant Window & Door forms a durable, 100% waterproof seal that withstands the sun, rain, and extreme temperatures. This smooth, tack-free hybrid formula outperforms 100% silicone, offering superior flexibility, faster rain-ready time, and a finish that can be painted to match your project. It bonds to wet or dry surfaces and won’t shrink, crack, or discolor, delivering long-lasting protection in exterior joints and exposed areas.

Great For
Window & Door Frames
,
Siding
,
Trim
,
Attics
,
Basements
,
Exterior Gaps & Cracks
,
Vents
,
& More!
,
Where To Buy
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15 MINUTE WATER-READY: Based on a 3/16" bead at 70°F (21°C) and 50% humidity, it can be exposed to water in as little as 15 minutes. Otherwise, wait 24 hours.

CLEAN-UP: Wipe off wet sealant immediately with a dry cloth. If necessary, use isopropyl alcohol according to the solvent manufacturer’s instructions.

STORAGE: Store in a cool, dry location with a nozzle attached. To re-use the product, remove the nozzle and clean out the cured sealant from the tip.

COVERAGE: 50 linear ft. using 3/16" bead

SERVICE TEMP: -40°F to 350°F (-40°C to 176°C)

CURE TIME: 24 - 72 hours. Cure time will increase with lower temperature, humidity, and larger bead size.

NOTE: Do not use on contaminated surfaces. Not for use in underwater applications or aquariums. It can be painted with acrylic/latex paint in as little as 30 minutes at 70°F and 50% humidity. Otherwise, wait 4 hours. Apply paint with reduced brush/roller pressure to avoid disturbing the sealant. Best if painted within 24 hours. Not for use with oil-based paints. Not water cleanup.

  • 15-Minute Water-Ready – Fast-curing formula allows immediate exposure to rain or moisture for quick repairs and installations
  • MAX Flexibility & Paintable – Expands and contracts with surfaces and can be painted in just 30 minutes for a seamless finish
  • 100% Waterproof & Durable – Shrink- and crack-proof, suitable for indoor and outdoor use, backed by a lifetime guarantee

LIMITED LIFETIME GUARANTEE

The Gorilla Glue Company warrants this product meets indicated performance properties of the cured product for as long as you own your home if product is properly used and stored. If not satisfied, return proof of purchase or remaining product for replacement product or refund. Refund will not exceed the full price actually paid by you for the product as shown on the proof of purchase. The Gorilla Glue Company is not liable for damages in excess of purchase price. No other warranties, either expressed or implied, are given or made. You may have rights that vary state to state, so above limitations and exclusions may not apply.

Frequently Asked Questions

FAQs will appear here

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Gorilla mascot character hand reaching right
Gorilla mascot character hand reaching right
  • Is the nozzle reusable?
    • Yes. For the tube, we recommend removing the nozzle after each use and replacing the cap to store tube (nozzle can hang from side of tube).For the nozzle, let sealant cure completely and then remove cured sealant manually.
    • For the cartridge, let sealant cure in nozzle completely and then remove cured sealant manually.
  • Will Gorilla Sealant bond plastic/vinyl/rubber?
    • Gorilla Sealant may not work well on certain low surface energy plastics, such as polyethylene (PE) and polypropylene (PP), or rubbers with high oil or plasticizer content. Gorilla Sealant may be used on and around PVC pipes. Do not use to fix leaks on high pressure pipes.
  • Is Gorilla Sealant food safe?
    • Gorilla Sealant is not recommended for direct or indirect food contact and should not be considered food safe.
  • How do I remove Gorilla Sealant from my surface?
    • To clean surface while Sealant is still wet/uncured, wipe off wet sealant immediately with a dry cloth. Isopropyl alcohol (IPA) may be used according to manufacturer’s instructions. For cured/dried sealant use mechanical means such as scraping or sanding.
  • What should I do if I think a human or animal ingested Gorilla Sealant?
    • For medical emergencies, call 1-800-420-7186 anytime to reach a member of our product safety team. Additional product safety and first aid information can be found here.
  • How do I remove Gorilla Sealant from body/skin?
    • Wipe off as much Sealant as possible with a dry cloth. When most of the sealant is removed from skin, wash with soap and water.

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