Northwest Pipe is committed to providing quality pipe and infrastructure products for our customers.
Northwest Pipe leads the industry in providing innovative solutions in a variety of built and municipal applications.
Our deeply knowledgeable team and product reliability backs your system’s performance for decades to come.
Our employees are the core of our success, and together, we will meet the challenges that lie ahead.
With over 50 years of experience, we continue to expand our product line to meet emerging customer needs.
Technical specifications for our products.
Specifications for Engineered Steel Water Pipe
Specifications for RCP & Precast Concrete Products
Specifications for Permalok® Pipe
Specifications for Bar-Wrapped Concrete Pipe
Perfect Pipe is conventional RCP lined with a high-density polyethylene (HDPE) plastic lining that protects the concrete from corrosion in...
Lined concrete sanitary sewer and storm drain manholes are available in a range of sizes and designed to meet all...