University Professor Evaluates Perma-Column™ System
How do precast Perma-Columns compare to wood columns, poured-in-place concrete piers and slab-on-grade foundations? University researcher, David R. Bohnhoff Ph.D.,P.E., conducted a systematic study of these methods and enumerated the advantages and disadvantages of each. His article appeared in the January 2006 issue of Frame Building News and is available to you with a phone call to FBi at 1-800-552-2981.