These bulletins are available in Adobe Acrobat format. You may obtain a
free Acrobat Reader from
TPIC Bulletin #3:
Part 4 Trusses in Part 9 Buildings
(26KB) REV: November 9, 2007
This commentary presents two different scenarios for Part 4 trusses in Part 9 buildings and presents the guidance
TPIC was given by the Codes Section of the Institute for Research in Construction, who assists the Committees
responsible for the preparation of the National Building Code of Canada.
TPIC Bulletin #4:
Designing with Pressure Treated lumber?
Due to certain newer chemicals used in treating lumber, a possibility of accelerated truss plate corrosion
may take place. Please click on the link below
for valuable information.