Introducing U Start Base Block™, Belgard's newest product innovation. U Start Base Block™ is a universal base course for walls that promotes cost savings and installation time efficiency.
*All colors and/or products may not be available in all areas. Please inquire for availability and special order options.
12 x 18 7/16 x 3 1/2
* Note: U Start Base Block actual coverage length is 16 11/16"