HIB-91’s full name is “Commentary and Recommendations For Handling Installing & Bracing Metal Plate Connected Wood Trusses”. HIB-91 is published by the Truss Plate Institute (TPI). 608-833-5900

HIB-91 should be studied and understood by anyone installing wood trusses. HIB-91 and its principles are essential to anyone installing   trusses. Chambers Truss provides a copy of HBI-91 Summary Sheet with layouts and material shipments. Chambers Truss will provide the complete HIB-91 booklet to customers on request.

HIB-91 begins “In recognition of the need for safety in the installation of metal plate connected wood trusses, the Truss Plate Institute, Inc. (TPI) has prepared this Recommendation. In concern for the protection of life and property, the installation of wood trusses requires the same high degree of safety awareness as the installation of any other structural material. It is essential that prudent installation methods be used at all times...These recommendations are based on the collective experience of leading technical personnel in the wood truss industry...By far the majority of wood truss related accidents occur during truss installation, and not as a result of improper truss design or fabrication....”