BOSS 357 Painter's Caulk, 9.5 oz. Cartridge

Create durable, flexible, paintable seals with a professional-grade acrylic latex caulk designed for interior and exterior applications.

Looking for a Reliable Painter's Caulk That Delivers a Clean, Long-Lasting Finish?

BOSS 357 Painter's Caulk is a premium acrylic latex sealant formulated to create flexible, weather-resistant seals around windows, doors, trim, baseboards, and other building joints. Designed for both interior and exterior use, it cures to form a durable, non-yellowing seal that resists staining and bleeding while remaining flexible to accommodate normal building movement.

Compatible with a wide variety of construction materials, BOSS 357 adheres exceptionally well to wood, masonry, brick, plaster, and many other common building substrates. Its paintable finish makes it an excellent choice for contractors, painters, remodelers, and installers seeking professional-quality results on residential and commercial projects.

Whether you're sealing trim before painting or closing gaps to improve weather resistance, BOSS 357 Painter's Caulk provides dependable performance and a clean finished appearance.

Typical Applications

• Windows
• Door frames
• Baseboards
• Interior trim
• Exterior trim
• Expansion joints
• Gap filling
• General weatherproof sealing

Advantages

• Designed for interior and exterior applications
• Forms a flexible, durable seal
• Non-yellowing formulation
• Resists staining and bleeding
• Excellent adhesion to multiple building materials
• Creates a weather-tight seal around joints and gaps
• Paintable for seamless finishing
• Easy application from a standard caulk gun

Specifications

• Brand: BOSS Products
• Product: 357 Painter's Caulk
• Container Size: 9.5 oz. Cartridge
• Application: Interior & Exterior
• Seal Type: Flexible Acrylic Latex Caulk
• Finish: Paintable

Compatible Materials

• Wood
• Masonry
• Brick
• Plaster
• Painted surfaces
• Many common construction materials

Applications

• Residential construction
• Commercial construction
• Painting projects
• Window installation
• Door installation
• Finish carpentry
• Remodeling projects
• General maintenance and repair

Why Choose BOSS 357 Painter's Caulk?

A quality painter's caulk is essential for creating smooth, professional-looking finishes while protecting buildings against air and moisture infiltration. BOSS 357 delivers excellent adhesion, flexibility, and durability, making it an ideal solution for sealing joints before painting or completing finish carpentry work.

Its non-yellowing, stain-resistant formulation helps maintain a clean appearance over time, while its ability to adhere to multiple building materials makes it a versatile choice for contractors and maintenance professionals alike.

BB Industries carries BOSS sealants, adhesives, installation supplies, stone fabrication products, and professional construction materials trusted by contractors and installers throughout North America.

BB Industries has you covered!

Frequently Asked Questions

Where can BOSS 357 Painter's Caulk be used?

It is designed for both interior and exterior applications, including around windows, doors, baseboards, trim, and other joints requiring a weather-tight seal.

Can this caulk be painted?

Yes. BOSS 357 is a paintable acrylic latex caulk, making it ideal for finish work and painting projects.

What materials does it adhere to?

It bonds well to wood, masonry, brick, plaster, and many other common building substrates.

Will it yellow or stain over time?

The cured seal is designed to remain non-yellowing while resisting staining and bleeding for a clean, professional appearance.

What size cartridge is available?

BOSS 357 Painter's Caulk is supplied in a convenient 9.5 oz. cartridge for use with standard caulk guns.