DAP Alex Fast Dry Acrylic Latex Caulk Plus Silicone is a professional-grade sealant designed to help painters and contractors complete projects faster. This fast-drying, paintable caulk allows surfaces to be painted in as little as 20 minutes, helping reduce downtime while delivering a smooth, durable finish. It provides strong adhesion to a wide variety of building materials and creates a 100% waterproof, mold- and mildew-resistant seal for both interior and exterior applications.

Ideal for sealing gaps and cracks around windows, doors, trim, baseboards, and siding, this acrylic latex formula with silicone applies smoothly, tools easily, and cleans up with water.

Key Features

• Paint ready in just 20 minutes

• Acrylic latex formula with silicone for enhanced adhesion

• Won’t shine through or discolor paint

• Resists cracking and chalking

• 100% waterproof seal

• Mold and mildew resistant

• Reduced dirt pickup for a cleaner finish

• Low odor and easy water cleanup

• Interior and exterior use

• 50-year durability guarantee

• Meets or exceeds ASTM C834 performance standards

Ideal Applications

Perfect for sealing and filling gaps or joints around:

• Window and door frames

• Baseboards and molding

• Trim and siding

• Corner joints

• Vents, ducts, and pipes

• Interior and exterior cracks in walls

This sealant adheres well to materials such as wood, drywall, metal, glass, concrete, brick, plaster, vinyl, and masonry.

Product Specifications

Why Contractors Choose Alex Fast Dry

• Speeds up paint jobs with fast paint readiness

• Smooth application and easy tooling

• Durable seal that resists cracking, dirt pickup, and discoloration

• Reliable adhesion across common construction materials