APPROVED SOURCES

PRECAST CONCRETE NOISE WALLS

The following producers are approved to furnish precast concrete noise walls on the basis of certification in accordance with the Iowa DOT Specification requirements.

MANUFACTURER

Coreslab Structures, Inc.

802 Allied Road

La Platte, NE 68123

402-291-0733

Cretex Concrete Product

Iowa Falls, IA

Cretex Concrete Product

2002 E. Olive Street

Marshalltown, IA 50158

Cretex Concrete Products, Inc

2825 Maury Street

Des Moines, IA 50317

515-264-1065

Wieser Precast, Inc.

440 Hawkeye Drive

Williamsburg, IA 52361

319-668-1888