Marshalltown MORTAR BOARD in the Drywall Mud Pans ...
MARSHALLTOWN brand Mortar Boards measure 29-in x 29-in and are made of extra high-density UV stabilized polyethylene that is durable, lightweight, and easy to clean after use. It isn't affected by heat, cold, rust, or water, and dry mortar or plaster won't stick to its surface. Choose your brand and Mortar Board size to suit your preference.
