Best Silicone For Exterior Windows

Peter | 25-12-2025

Looking for some of the best Best Silicone For Exterior Windows? As you may know, there are dozens of brands available in the market such as GE,GORILLA and some come with vastly different price tags. Let us help you out here – we have handpicked the Best Silicone For Exterior Windows for you.

To compile our list, we’ve researched and evaluated a range of the best-selling products on the market. We recommend GE Best Silicone For Exterior Windows as our top pick because of its exceptional overall performance. Want to explore more options? Read on! There’s also a buying guide to help you make a wise shopping decision.

Editor's Choice
Gorilla Waterproof Caulk & Seal Silicone Sealant, 10oz Cartridge (Pack of 1) - Clear Caulking
Gorilla Waterproof Caulk & Seal Silicone Sealant, 10oz Cartridge (Pack of 1) - Clear Caulking
Premium Pick
GE Advanced Silicone Caulk for Window & Door, White, 10 fl oz Cartridge, 1 Pack - 100% Waterproof
GE Advanced Silicone Caulk for Window & Door, White, 10 fl oz Cartridge, 1 Pack - 100% Waterproof
Budget Pick
GE Advanced Silicone Caulk for Window & Door, White, 2.8 fl oz Tube, 1 Pack - 100% Waterproof
GE Advanced Silicone Caulk for Window & Door, White, 2.8 fl oz Tube, 1 Pack - 100% Waterproof

Top 10 Best Silicone For Exterior Windows

We researched and compared the top products in the Best Silicone For Exterior Windows category to provide you with these recommendations.

1. GE Advanced Silicone Caulk for Window & Door, Clear, 2.8 fl oz Tube, 1 Pack - 100% Waterproof

  • 100% Waterproof and Weatherproof: 100% silicone formula offers protection against water damage, providing a reliable seal in areas prone to harsh weather
  • 10-Year Product Protection: Cured sealant is resistant to stain causing mold and mildew growth
  • Permanently Flexible with Strong Adhesion: Sealant offers 40% more flexibility than Class 25 sealants and 5X stronger adhesion than our Silicone 1 sealant
  • Durable: Rain-ready in as little as 30 minutes, and resistant to shrinking and cracking due to temperature fluctuations
  • Compatible with Most Materials: Adheres to most metals and woods; aluminum, composites, brick, stone, stucco, masonry, cement board, glass, drywall, ceramic and porcelain tile, and more

2. GE Advanced Silicone Caulk for Window & Door, White, 10 fl oz Cartridge, 1 Pack - 100% Waterproof

  • 100% Waterproof and Weatherproof Silicone Caulk Protection: This silicone caulk white provides ultimate waterproof and weatherproof protection for window and door, ensuring protection against water damage providing exception seal. Ideal for areas with consistent exposure, keeping your surfaces safeguarded and pristine under any weather condition.
  • Strong and Flexible: Delivers a silicone sealant waterproof white that remains permanently flexible, adapting to surface movements for a lasting, durable hold. Perfect for dynamic environments like window and door where adaptability and resilience are paramount. 40% more flexibility than Class 25 sealants and 5X stronger adhesion than our Silicone 1 sealant.
  • Quick 30 Minute Rain Ready Performance: Experience the convenience of a silicone caulk that becomes water resistant in just 30 minutes, making it perfect for time sensitive projects. No more waiting hours, dependable, quick sealing efficiency with what silicone caulk.
  • Shrink and Crack Proof: Experience superior durability with white silicone caulk that withstands temperature fluctuations. Its flexibility guarantees your surfaces stay intact without shrinking or cracking, ensuring consistent protection and a flawless finish over time.
  • Low Odor and Safe Indoors: Enjoy stress free application with this silicone sealant featuring a low odor, neutral cure formula. Great for indoor use without overwhelming fumes, enhancing comfort and safety while ensuring effective waterproof white protection for your spaces and 10 year product protection.

3. GE Advanced Silicone Caulk for Window & Door, White, 2.8 fl oz Tube, 1 Pack - 100% Waterproof

  • 100% Waterproof and Weatherproof Silicone Caulk Protection: This silicone caulk white provides ultimate waterproof and weatherproof protection for window and door, ensuring protection against water damage providing exception seal. Ideal for areas with consistent exposure, keeping your surfaces safeguarded and pristine under any weather condition.
  • Strong and Flexible: Delivers a silicone sealant waterproof white that remains permanently flexible, adapting to surface movements for a lasting, durable hold. Perfect for dynamic environments like window and door where adaptability and resilience are paramount. 40% more flexibility than Class 25 sealants and 5X stronger adhesion than our Silicone 1 sealant.
  • Quick 30 Minute Rain Ready Performance: Experience the convenience of a silicone caulk that becomes water resistant in just 30 minutes, making it perfect for time sensitive projects. No more waiting hours, dependable, quick sealing efficiency with white silicone caulk.
  • Shrink and Crack Proof: Experience superior durability with white silicone caulk that withstands temperature fluctuations. Its flexibility guarantees your surfaces stay intact without shrinking or cracking, ensuring consistent protection and a flawless finish over time.
  • Low Odor and Safe Indoors: Enjoy stress free application with this silicone sealant featuring a low odor, neutral cure formula. Great for indoor use without overwhelming fumes, enhancing comfort and safety while ensuring effective waterproof white protection for your spaces and 10 year product protection.

4. GE Advanced Silicone Caulk for Window & Door, Clear, 10 fl oz Cartridge, 1 Pack - 100% Waterproof

  • 100% Waterproof and Weatherproof Silicone Caulk Protection: This silicone caulk clear provides ultimate waterproof and weatherproof protection for window and door, ensuring protection against water damage providing exception seal. Ideal for areas with consistent exposure, keeping your surfaces safeguarded and pristine under any weather condition.
  • Strong and Flexible: Delivers a silicone sealant waterproof clear that remains permanently flexible, adapting to surface movements for a lasting, durable hold. Perfect for dynamic environments like window and door where adaptability and resilience are paramount. 40% more flexibility than Class 25 sealants and 5X stronger adhesion than our Silicone 1 sealant.
  • Quick 30 Minute Rain Ready Performance: Experience the convenience of a silicone caulk that becomes water resistant in just 30 minutes, making it perfect for time sensitive projects. No more waiting hours, dependable, quick sealing efficiency with clear silicone caulk.
  • Shrink and Crack Proof: Experience superior durability with clear silicone caulk that withstands temperature fluctuations. Its flexibility guarantees your surfaces stay intact without shrinking or cracking, ensuring consistent protection and a flawless finish over time.
  • Low Odor and Safe Indoors: Enjoy stress free application with this silicone sealant featuring a low odor, neutral cure formula. Great for indoor use without overwhelming fumes, enhancing comfort and safety while ensuring effective waterproof clear protection for your spaces and 10 year product protection.

5. Gorilla Waterproof Caulk & Seal Silicone Sealant, 10oz Cartridge (Pack of 1) - Clear Caulking

Gorilla Waterproof Caulk & Seal Silicone Sealant, 10oz Cartridge (Pack of 1) - Clear Caulking
9.8

Gorilla

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  • Gorilla tough: This clear silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
  • Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
  • All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
  • Waterproof sealant: This clear caulk seals out air, water, and moisture with 100% silicone as cured

6. Gorilla Waterproof Caulk & Seal Silicone Sealant, 10Oz Cartridge (Pack of 2) - Clear Caulking

Gorilla Waterproof Caulk & Seal Silicone Sealant, 10Oz Cartridge (Pack of 2) - Clear Caulking
8.5

Gorilla

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  • Waterproof sealant: This clear caulk seals out air, water, and moisture with 100% silicone as cured
  • Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
  • All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
  • Gorilla tough: This clear silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
  • Use on: Our sealant is perfect for windows, doors, stainless steel, fixtures, countertops, laminate, porcelain, sink, shower, tub/tile, granite, ceramic, gaps & cracks, painted surfaces, wood, vinyl, metal, aluminum, trim/siding, cables, glass, drywall, stone, marble, gutters, plumbing, and more

7. GE Supreme Paintable Silicone Caulk for Window & Door, White, 9.5 fl oz Cartridge, 1 Pack - 100%

  • 100% Silicone Caulk Protection: This silicone caulk white provides ultimate waterproof protection, ensuring a reliable seal against water damage. Ideal for areas with consistent exposure, keeping your surfaces safeguarded and pristine under any condition.
  • Hybrid Performance: Combines the waterproof performance of a silicone sealant with the paintability of an acrylic latex. Delivers a silicone sealant waterproof white that remains permanently flexible, adapting to surface movements for a lasting, durable hold. Perfect for dynamic environments like bathrooms and kitchens where adaptability and resilience are paramount.
  • Quick 30 Minute Paint and Water Ready Performance: Experience the convenience of a silicone caulk that becomes paint ready water resistant in just 30 minutes, making it perfect for time sensitive projects. No more waiting hours, dependable, quick sealing efficiency with white silicone caulk and offers 40% more flexibility than Class 25 sealants and 7X stronger adhesion than our Silicone 1 sealant.
  • Shrink and Crack Proof: Experience superior durability with white silicone caulk that withstands temperature fluctuations. Its flexibility guarantees your surfaces stay intact without shrinking or cracking, ensuring consistent protection and a flawless finish over time.
  • Low Odor and Safe Indoors: Enjoy stress free application with this silicone sealant featuring a low odor, neutral cure formula. Great for indoor use without overwhelming fumes, enhancing comfort and safety while ensuring effective waterproof clear protection for your spaces and lifetime product protection.

8. DAP 100% Silicone Rubber Window, Door, and Siding Sealant, Black 9.8 Oz (7079808642)

  • 100% waterproof sealant protects and seals and is 12 hour rain ready providing same day protection from the elements
  • Silicone rubber formula provides a flexible bond that won't crack or lose adhesion
  • Sealant is not paintable, paint surfaces prior to applying sealant
  • Meets ASTM C920, Class 25
  • Black silicone sealant works in a variety of exterior or interior applications and features great flexibility allowing it to hold up to changing conditions

9. SILIMAX Window & Door – 100% Silicone Caulk White, Window Seal, RTV Silicone Sealant Indoor &

SILIMAX Window & Door – 100% Silicone Caulk White, Window Seal, RTV Silicone Sealant Indoor &
7.9

Silimax

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  • 100% Silicone Adhesive Sealant for Windows & Doors: SILIMAX provides a flexible, shrink-proof seal. Our white caulk is ideal as an adhesive caulk for window caulking sealant outdoor and indoor use.
  • Weatherproof & RTV Silicone Performance: This silicone caulk white provides excellent resistance to UV, water, and temperature changesideal for outdoor caulking weatherproof protection and waterproof caulk needs.
  • Reliable Waterproof Seal: Waterproof sealant Bonds to most common building materials including glass, metal, and vinyl. Acts as a sealant caulk waterproof and water sealant for exterior use. Makes a great window sealant.
  • Built to handle extreme weatherthis waterproof silicone sealant stays flexible in both freezing cold and blazing heat. A trusted outdoor silicone sealant and window caulking sealant outdoor that wont shrink, crack, or peel under pressure.
  • Multi-Surface Adhesion: The white caulking silicone waterproof bonds to glass, vinyl, metal, aluminum, and painted surfaces. The perfect silicone caulking for window caulking sealant indoor and outdoor use.

10. Silicone Caulk with Finishing Tool – Waterproof Silicone Sealant for Bathroom, Kitchen, Windows,

Silicone Caulk with Finishing Tool – Waterproof Silicone Sealant for Bathroom, Kitchen, Windows,
7.7

Advancedsil

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  • Advanced Waterproof Silicone Caulk Forms a watertight, flexible seal for kitchens, bathrooms, showers, windows, and household repairs.
  • Professional White Finish Smooth white color complements tiles, bathtubs, sinks, countertops, and window frames.
  • Strong & Flexible Bond Resists cracking and shrinking, maintaining a clean, durable joint even under extreme temperature changes.
  • Easy-Use Finishing Tool Included Ensures neat, professional caulking lines with minimal mess or waste.
  • Versatile Indoor & Outdoor Use Excellent adhesion to ceramic, porcelain, aluminum, glass, plastic, and other common surfaces.
  • Silicone Caulk, Silicone Sealant

Peter

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