Home » Sil-Bond 3500 Silicone Sealant (10.3 oz.) - SILCO

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Sil-Bond 3500 Silicone Sealant (10.3 oz.) - SILCO

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Professional-grade mildew-resistant one-component room temperature vulcanizing (RTV) acetoxy cure silicone sealant and adhesive designed for interior sealing applications exposed to high moisture. Manufactured by SILCO in convenient 10.3-ounce cartridges, this exceptional RTV 3500 formula creates waterproof and airtight bonds to metal, steel, tile, fiberglass, ceramic, glass, aluminum, painted surfaces, wood, plywood, marble, and many other common substrates when fully cured. Specifically formulated to offer all-weather performance while meeting today's Green Building Standards, making it ideal for tubs, baths, countertops, and other high-moisture interior environments requiring long-lasting mildew resistance and waterproof protection.

10.3-Ounce Cartridge: Standard size fits most caulking guns for convenient application

Exceptional Mildew Resistance: Formulated to resist mildew growth in high-moisture environments

One-Component RTV Formula: Ready to use—no mixing required, cures at room temperature

Acetoxy Cure System: Reliable curing mechanism for consistent performance

Waterproof and Airtight Bonds: Creates complete moisture and air barrier when fully cured

Multi-Substrate Adhesion: Bonds to metal, steel, tile, fiberglass, ceramic, glass, aluminum, painted surfaces, wood, plywood, marble, and more

All-Weather Performance: Maintains flexibility and adhesion across temperature variations

Green Building Standards Compliant: Specifically formulated to meet modern environmental building requirements

Interior High-Moisture Use: Designed for tubs, baths, countertops, and similar applications

Bathtub and shower enclosure sealing

Bathroom sink and countertop caulking

Kitchen countertop and backsplash sealing

Tile and grout joint sealing in wet areas

Ceramic and fiberglass fixture installation

Glass shower door installation and sealing

High-moisture interior environments

Waterproof sealing of bathroom fixtures

Any interior application requiring mildew-resistant, waterproof silicone

Green building projects requiring compliant sealants

TECHNICAL DATA SHEET

SAFETY DATA SHEET - WHITE

SAFETY DATA SHEET - BLACK

SAFETY DATA SHEET - CLEAR

Container Size: 10.3 ounces (standard caulking gun cartridge)

Product Name: Sil-Bond (RTV 3500)

Type: One-component RTV (room temperature vulcanizing) silicone sealant and adhesive

Cure System: Acetoxy cure

Mildew Resistance: Exceptional mildew resistance

Performance: Waterproof and airtight bonds when fully cured

Substrate Compatibility: Metal, steel, tile, fiberglass, ceramic, glass, aluminum, painted surfaces, wood, plywood, marble, plus many other common substrates

Application Area: Interior sealing applications exposed to high moisture

Common Uses: Tubs, baths, countertops, high-moisture environments

Weather Performance: All-weather performance

Green Standards: Meets today's Green Building Standards

Manufacturer: SILCO

Product Type: Mildew-resistant silicone sealant / RTV adhesive / waterproof caulk

Application: Bathroom and kitchen sealing, high-moisture interior environments, waterproof and mildew-resistant applications