GE Advanced Silicone 2 Windows, Doors, Exteriors 10.1-oz Light Gray Silicone Caulk - 71223252
From the #1 Silicone Brand, GE Advanced Silicone 2 Window and Door sealant is a high-performance, 100% silicone and 100% weatherproof sealant formulated to protect areas susceptible to harsh weather. These areas include windows, doors, siding, trim, molding, baseboards, vents, basements, attics and around wires and pipes. Its 30-minute rain-ready formula offers 40% more flexibility than Class 25 sealants† and is 5X stronger than GE Silicone 1 sealant. In addition, it has 10-year mold-free product protection to help resist mold and mildew growth. Backed by a lifetime guarantee. Adheres to: most metals and woods, aluminum, composites, brick, stone, stucco, masonry, cement board, glass, ceramic and porcelain tile, drywall, plaster, vinyl siding, PVC, fiberglass and painted surfaces.
Features
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100% waterproof and weatherproof; 30-minute rain-ready
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Resists mold with 10-year mold-free product protection
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Excellent adhesion; will not blemish most high-end metal finishes
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Meets ASTM C-920, Class 35
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40% more flexibility than Class 25 sealants and has 5X stronger adhesion than GE Silicone 1 sealant
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30-minute rain-ready
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Shrink and crack-proof
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Freeze and sun-proof
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Excellent for protecting areas susceptible to harsh weather including windows, doors, siding, trim, molding, baseboards, vents, basements, attics and around wires and pipes
What our Experts Think
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Professional-Grade Exterior Seal
100% silicone formula delivers maximum waterproofing and weather resistance—ideal for windows, doors, siding, and outdoor gaps.
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Fast Rain-Ready Formula
Ready for water exposure in as little as 30 minutes, helping keep projects on schedule.
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High Flexibility & Strong Adhesion
Designed for long-lasting elasticity and superior bonding, reducing cracking, shrinking, and seal failure over time.
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Mold & Mildew Resistance
Built-in protection helps maintain a clean, durable seal in outdoor environments.
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Multi-Surface Compatibility
Adheres to glass, metal, wood, vinyl, masonry, and more—great for versatile exterior applications.
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Weatherproof Durability
Engineered to withstand UV rays, temperature changes, and harsh outdoor conditions without breaking down.
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Expert Tip
Not paintable—best suited for applications where performance and longevity matter more than paint finish.
Q&A
Q: What is this silicone caulk best used for?
A: Ideal for sealing windows, doors, siding, trim, and exterior gaps to prevent water and air leaks.
Q: Is it waterproof and weatherproof?
A: Yes, it offers 100% waterproof protection and strong resistance to extreme weather conditions.
Q: How long does it last?
A: Designed for long-lasting durability with excellent flexibility that won’t crack or shrink over time.
Q: Is it mold and mildew resistant?
A: Yes, it provides mold- and mildew-resistant protection, making it suitable for exterior and damp areas.
Q: How fast does it cure?
A: Water-ready in as little as 30 minutes, allowing for quicker project completion.
Q: Can it be painted?
A: No, this is a non-paintable silicone formula. Choose color-matched options like light gray for best results.
Q: Does it work on multiple surfaces?
A: Yes, it adheres to glass, metal, wood, vinyl, and most common building materials.
Q: Why choose GE Advanced Silicone 2?
A: It delivers superior adhesion, flexibility, and long-term weatherproof sealing compared to basic caulks.
Maintenance Tips
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Clean regularly: Wipe sealed areas with mild soap and water to prevent dirt, mold, and mildew buildup.
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Inspect every 6–12 months: Check for cracks, gaps, or peeling—especially after extreme weather.
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Keep surfaces dry: Prolong seal life by reducing constant moisture exposure where possible.
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Avoid harsh chemicals: Strong cleaners can degrade silicone and reduce flexibility.
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Reapply when needed: Remove damaged caulk fully and apply a fresh bead for optimal waterproofing.
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Protect during curing: Ensure at least 24 hours of dry conditions after application for a strong, durable seal
Damage 
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