sewer brick

blue brick, sewer brick, Staffordshire blue

A brick of high strength whose blue color results from firing in a kiln in a flame of low oxygen content.

sewer brick

A low-absorption, abrasive-resistant brick; used in drainage structures; a blue brick.
References in periodicals archive ?
Tenders are invited for Hiring of super sucker and jetting machine for removing of blockage of main sewer brick barrel at Shivaji Road, Deputyganj ward in Sadar Bazar constt.