Prefabricated Wood I-Joists

Benefits & Guidelines

Prefabricated Wood I-Joists

The Wood I-Joist Manufactures Association (WIJMA) is a nonprofit organization dedicated to promoting the improvement and increased use of prefabicated I-joists.


Product Description

Information about the properties and uses of wood I-joists

Residential Details

View and download individual floor and roof details for your use.

Policies & Publications

Design guidelines prepared by WIJMA.

Fire Safety

Information about fire issues related to modern construction using I-joists.

Industry Links

A list of relevant links to associations and institutes related to wood construction products and construction.

Visit our Members Page for a list of member companies and information on how to become a member of WIJMA