CMT is the only accredited, independent testing facility in Central Iowa conducting smoothness (profilometer) testing.

To call the finest testing lab in Iowa, dial 1-866-CMT-TEST

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Knolls Warehouse Grinnell: A new 266,400 sq. ft. pre fabricated steel building.

Construction Materials Testing • 1610 E. Madison Ave. • Des Moines, Iowa 50313
Toll Free: 866-CMT-TEST (268-8378) • 515-263-0794 FAX: 515-263-0851