Corrugated Metal Pipe or CMP is available with an aluminized or bituminous coating.

 

 The service life of this pipe is between 50 and 100 years dependent upon the type of coating applied.

The size range available is between 6" and 120" and in a variety of wall thicknesses.

Squash or Oval Pipe is available with the same coating options and wall thicknesses and can range in size from 14" x 9" to 81" x 59"