National Building Systems provides custom made I-joists manufactured by Web Joist Northwest Corporation in Chehalis, Washington.
Web Joist Northwest Corporation manufactures custom I-joists utilizing various grades of 2 x 4 solid-sawn flange materials and OSB web materials. The I-joists are made in depths from 11.88” through 28” in two-inch increments.
Tapered I-joists are also available for low slope roof applications.
Web Joist custom I-joists are commonly used in commercial floor and roof applications or in custom homes where superior performance is desired.