28 Years of Accuracy, Reliability & Service

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Glue Lam Inspection

reinforced steel placement

Columbia Resources & Testing, LLC

CRT LogoCRT was founded in 1969. The structural division of CRT was established in 1971 for the purpose of testing and inspecting, including laminated wood products, adhesives, wall panels and other standard structural materials. Our lab and inspectors are certified by State, Local, and Federal Agencies. There are few laboratories that can offer the expertise in as many fields as CRT.

Contact Info:

Lab physical location: 10140 Starr Road, Windsor

Lab mailing address: PO Box 1232, Windsor CA 95472

Telephone: 707-837-0920

Fax: 707-838-0411

Office hours: 8am - 5pm M/F

Contact hours: after hours/weekends - 696-5608

email: crtlab@sonic.net

We are looking forward to serving your testing needs for the next 28 years