Complies with ASTM C32-07 Standard Specification for Sewer and Manhole Brick (Made From Clay or Shale).
Grade: MM, MS.
Manufacturer: Stiles & Hart Brick Co.
781-324-7777
Toll Free (Eastern MA only): 800-696-7755
636 Lynn St., Malden, MA 02148
Soft Sewer (Backer) Brick