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Seal It Tight with Silicone

It provides a waterproof sealant. It endures extreme temperatures. It helps prevent air leaks. Silicone is the perfect solution for a wide variety of projects. Whether you need to fill a gap around a window, seal around a bathroom sink or repair cracked masonry, you can rely on DuPont™ silicone sealants to help you get the job done right.

DuPont™ Kitchen & Bath Premier Silicone

This premium 100% silicone rubber sealant offers long-lasting adhesion and a waterproof rubber seal that resists mold and mildew. » More
DuPont™ Paintable Premier Silicone
Ideal for sealing cracks and gaps around doors, windows, trim and siding that’s intended to be painted, this hybrid silicone provides a watertight, flexible seal that’s resistant to sunlight, rain, snow and extreme temperatures. » More
DuPont™ Window & Door Premier Silicone
This premium 100% rubber sealant is great for sealing windows, doors, plumbing openings, vents and ducts. And while providing a watertight seal once it’s cured, it will not bead, crack, crumble or shrink. » More
DuPont™ Window & Door Choice Silicone
Sealing gaps around windows, doors, plumbing openings, vents and ducts is simple with this 100% silicone product that stands up to the elements. » More
DuPont™ Aluminum & Metal Premier Silicone
Providing flexibility and a watertight seal, this 100% silicone rubber sealant is resistant to sunlight, rain, snow and extreme temperatures. » More
DuPont™ Gutter & Flashing Premier Silicone
This 100% silicone rubber sealant is perfect for creating a flexible, watertight seal on gutters and flashing. » More
DuPont™ Blacktop & Roof Premier Silicone
Perfect for blacktop and roof repairs, this 100% silicone rubber sealant provides a flexible, watertight seal that is resistant to the elements. » More
DuPont™ Concrete Masonry Premier Silicone
Flexible yet resistant to water and extreme temperatures, this 100% silicone rubber sealant is ideal for concrete and masonry repairs. » More

DuPont™ AIRTITE® Siliconized Acrylic Caulk

DuPont™ AIRTITE® Siliconized Acrylic Caulk with Weather-Tight Seal technology is ideal for sealing gaps around windows, doors, trim and a variety of other interior and exterior surfaces.