Custom Building WonderBoard Backerboard

Credit: Custom Building Products

What makes this product green?

  • Prevents moisture or air quality problems


WonderBoard Backerboard is a fiberglass mesh cement backer board ideal for wet area applications. They are composed of Portland cement, sand, lightweight aggregates, and reinforced fiberglass mesh. These backer boards come in 3' x 5' x 1/2" 3' x 8' x 1/2", 3' x 4' x 1/4", and 3' x 5' x 1/4" sizes and are ASTMAmerican Society for Testing and Materials. Not-for-profit international standards organization that provides a forum for the development and publication of voluntary technical standards for materials, products, systems, and services. Originally the American Society for Testing and Materials. tested for mold resistance.


Manufacturer Information

Custom Building Products
13001 Seal Beach Blvd
Seal Beach, CA 90740
Phone: 562-598-8808
Fax: 800-200-7765
Toll-free: 800-272-8786

Listed in: Backing Boards and Underlayments