Research and Technology

Technical articles on research and technology dedicated to the post-frame industry.

Moisture Problems and Solutions

Joseph M. Zulovich, PhD, PE, offers a detailed look at moisture problems in buildings in a five-part series that ran in Rural Builder magazine from mid-2016 to early-2017. The series offers: an overview and strategy a look at protection from subsurface water protection from surface water protecting the exterior building envelope and removing excess...

apa moisture resistance

APA Releases Updated Guide on Moisture Resistant Wall Construction

Guide provides detailed information to help builders “Build a Better Home.” APA – The Engineered Wood Association has updated its Build a Better Home: Moisture Resistant Wall Construction, designed to provide builders and homeowners with construction guidelines to protect their homes against damaging moisture infiltration. The publication outlines the primary sources of moisture in...

BESS Lab

Tests reveal efficiency stalls for some 60-inch ag fans

When it comes to big fans and their benefits for agricultural ventilation, the old logic that bigger is better has hit a snag. Researchers at BESS Lab operated by the University of Illinois at Urbana-Champaign have tested a number of 60-inch fans only to discover that, at a certain point, energy efficiency does not...

Design of Post-Frame Gyms and Multipurpose Buildings

By Timothy Royer, PE, and Amanda Stauffer- Post-frame construction is ideal for non-code-exempt buildings of many shapes and sizes. One category of such structures that is often overlooked by post-frame builders is gymnasiums and multipurpose recreational buildings. Gymnasiums and multipurpose recreational buildings are a perfect fit for post-frame construction for several reasons. Post-frame walls...

Permanent bracing of wood trusses an ongoing education

In the July 2107 issue of the Component Manufacturing Advertiser (download the article here) Professor Frank Woeste suggested the use of the 2015 BCSI Book (111 pages) as a tool for providing a practical path for design professionals to complete their bracing designs. In the spiral bound book, permanent truss bracing design for conventional...

Progressive Roof Collapse Due to CLR Shifting: Summary

[The following is a summary of a more comprehensive article on the topic available for download under our Technical Resources tab.] -By David R. Bohnhoff, PhD, PE – Continuous lateral restraint (CLR) is a continuous line of bracing used to provide lateral support to a series of structural elements. By preventing lateral movement, CLR...

A technical explanation of T-reinforcement for trusses

– [Article provided by the Structural Building Components Association] – The truss industry maintains that the design of truss roof and floor system permanent restraint/bracing is the responsibility of the building designer. System permanent bracing covers the entire structure and all reinforcing/bracing element interactions. An exception to this is identifying the locations of compression...

Quick guide to fasteners for treated wood

By Sharon Thatcher, Rural Builder Magazine – A surprising amount of science goes in to the making of those small but mighty screws, bolts and connectors used in preservative-treated woods. The science has been standardized by ASTM, with box labeling used to help builders simplify the user process. Joe Stager, vice president for product...