Frequently Asked Questions
What publications do you have on Permanent Wood Foundations?
The Southern Forest Products Association (SFPA) now publishes the Permanent Wood Foundations Design and Construction Guide. It has a BOCA Evaluation Report number 21.53. All foundations constructed in accordance with the guide must be labeled with the report number. Download the document at http://newstore.southernpine.com. See southernpine.com for more information.
AWC's PWF Design Fabrication Installation (DFI) Manual and Technical Report #7, Permanent Wood Foundation System Basic Requirements (TR7) have both been discontinued and are out of print. ANSI / AF&PA PWF-2007 - Permanent Wood Foundation Design Specification replaces TR7 and has been adopted in the 2009 International Residential Code. This document primarily addresses structural design requirements. See the SFPA Permanent Wood Foundations Design and Construction Guide for construction details and tabulated data.