CORRUGATED METAL PIPE. Southeast Culvert manufactures the full range of corrugated metal pipe diameters 12" to 144". One can select from the full range of possible coatings – galvanized, aluminized, polymer, bituminous (asphalt) – and from the full range of possible corrugation profiles – 2-2/3 x ½, 3 x 1, 5 x 1, ¾ x ¾ (spiral rib).
HEL-COR is Contech's standard corrugated metal pipe (CMP) that can provide a service life of over 100 years. HEL-COR is available in a large variety of materials, coatings, and sizes to meet site specific needs, and HEL-COR's continuous locked seams and annular corrugated ends allow for a variety of standard couplings to be used.