TN Concrete Association

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Concrete Overlays PDF Print E-mail
Want to permanently cover up surface imperfections in existing concrete? Or turn a plain-jane slab from drab to fab?

Although cement-based overlays have been around for decades, many of today's systems blend polymer resins with cement, sand, and other additives to improve performance, wear resistance, and aesthetic qualities. Polymer-modified overlays can be applied in layers as thin as a credit card or up to several inches thick without delamination or failure. They adhere well to existing concrete and resist damage from salt, chemicals, UV exposure, freeze-thaw conditions, and abrasion.

Concrete Overlay
Photo Courtesy of Concrete Solutions, Inc.

While most types of polymer-modified overlays offer similar performance benefits, each system has its own unique characteristics. Overlay manufacturers use different types of polymer resins, often blending them to produce proprietary products with distinct physical attributes. Many of todays decorative overlays use acrylics or acrylic blends because these resins provide excellent bond strength and UV resistance.

Concrete Overlay

Heritage Bomanite. Photo Courtesy of Bomanite Corporation.

Heres a primer of the various overlay types available and the decorative options with each. We also give you pointers on how to choose the best system for a particular application. With the many options available, youre sure to find at least one system that meets your requirements for durability, appearance, maintenance, and cost.
 
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