GE Advanced Silicone 2 Windows, Doors, Exteriors 10.1-oz Brown Silicone Caulk - 71223251
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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High-Performance Exterior Seal
100% silicone formula delivers a fully waterproof, weatherproof seal designed for windows, doors, siding, trim, and other exterior joints exposed to harsh conditions.
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Fast Rain-Ready Protection
Begins curing quickly and becomes rain-ready in about 30 minutes, helping protect sealed areas sooner after application.
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Superior Flexibility & Strength
Engineered for high movement tolerance and strong adhesion, reducing cracking, shrinking, and joint failure over time.
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Long-Term Mold & Mildew Resistance
Provides up to 10-year protection against mold growth, helping maintain a clean, durable exterior seal.
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All-Weather Durability
Designed to withstand UV exposure, freeze–thaw cycles, and heavy moisture, making it reliable in demanding climates.
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Strong Multi-Surface Adhesion
Bonds effectively to wood, vinyl, metal, brick, stone, masonry, glass, and more, ensuring versatile exterior use.
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Professional Exterior Choice
Ideal for window frames, door perimeters, siding joints, vents, and trim work where long-lasting waterproof sealing is critical.
Q&A
Q: What is this caulk used for?
A: Sealing exterior gaps around windows, doors, siding, trim, vents, and other building joints to block water and air leaks.
Q: Is it waterproof and weatherproof?
A: Yes, it is 100% silicone and fully weatherproof, designed to handle rain, UV exposure, and temperature changes.
Q: How fast does it become rain-ready?
A: It typically becomes rain-ready in about 30 minutes after application.
Q: Does it resist mold and mildew?
A: Yes, it offers up to 10-year mold-free protection once cured.
Q: Is it flexible after curing?
A: Yes, it provides high flexibility to prevent cracking or shrinking as materials expand and contract.
Q: What surfaces does it stick to?
A: It adheres strongly to wood, vinyl, metal, brick, stucco, concrete, glass, and most common exterior building materials.
Q: Can it be painted?
A: No, this is a pure silicone sealant and is not paintable.
Q: Why choose the brown color?
A: The brown finish helps it blend with wood trim, darker siding, and exterior framing for a cleaner, less visible seal.
Q: Why choose GE Advanced Silicone 2 for exterior sealing?
A: It combines strong adhesion, long-term weather resistance, and durable waterproof sealing for high-exposure outdoor areas.
Maintenance Tips
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Inspect seals 1–2 times per year: Check around windows, doors, siding, and trim for cracking, shrinkage, or separation after seasonal weather changes.
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Clean gently: Use mild soap and water to remove dirt and buildup—avoid harsh solvents that can weaken the silicone.
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Ensure proper curing time: Keep joints dry for at least 24 hours after application to maintain full waterproof performance.
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Watch UV and weather exposure: Although weatherproof and UV-resistant, inspect exterior beads periodically for long-term sun and rain wear.
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Avoid painting over it: This is a 100% silicone sealant and is not paintable, so match color (brown) at installation instead of painting later.
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Remove failed caulk completely: Do not patch over old or cracked sections—fully remove and reapply for a strong, continuous seal.
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Keep movement joints stable: Reduce stress from shifting frames or siding to prevent tearing or detachment.
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Prevent standing water exposure: Limit prolonged water pooling on sealed edges to extend lifespan and mold resistance.
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