Bingham & Taylor manufactures cast iron cleanout boxes for 4" and 6" sewer cleanouts. Cleanout boxes are manufactured to meet H20 load rating for heavy highway usage. Cleanout boxes provide protection and access to the sewer cleanout, and are manufactured in various diameters and styles. Lids can be provided with "S" or "Sewer". Custom markings are available upon request.
View Cleanout Boxes in our Cast Iron Product Catalog #13:
Or, download the entire Cast Iron Product Catalog #13
Bingham & Taylor Cleanout Boxes meet the requirements called for by AASHTO M306-07.