Seal, protect, and finish with confidence — Ardex Flex Siliconized Acrylic Color Caulk delivers a flexible, mold-resistant seal for joints, edges, and corners in both interior and light exterior applications.
The Ardex Flex Siliconized Acrylic Color Caulk is a premium-grade, flexible caulk designed for sealing change-of-plane joints, corners, and edges where materials meet — such as countertops, backsplashes, tubs, and showers. Engineered with siliconized acrylic technology, it offers exceptional adhesion, flexibility, and water resistance, ensuring long-lasting performance in high-moisture areas.
This color-matched caulk pairs perfectly with Ardex FL, Ardex FH, and Ardex FG-C grouts, creating a seamless and professional finish across your tile installations. With its mold and mildew-resistant formula and wide color palette, Ardex Flex is the ideal solution for both residential and commercial use.
Key Features
Color-Matched Finish — Available in 20 colors designed to perfectly coordinate with Ardex grouts.
Flexible and Durable — Withstands movement from material shifts and temperature changes.
Mold and Mildew Resistant — Formulated for long-lasting performance in damp environments.
Easy to Apply and Clean — Smooth application with water cleanup.
For Interior and Light Exterior Use — Ideal for kitchens, baths, and showers.
Excellent Adhesion — Bonds to a variety of substrates including ceramic, porcelain, and natural stone.