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Describes techniques and products for code-required connections in wood roof systems in high wind and seismic zones. Revised February 2004.
Design loads for lag screws and bolts connecting ridge beam halves. This publication is available in PDF format only. Revised November 1987.
Discusses the code requirement for connecting side-by-side glulam beams (sistered) to each other. Explains the reasoning behind this building code requirement and gives guidelines on the proper way to make the connections. Revised July 30, 2015.
THIS PUBLICATION HAS BEEN DISCONTINUED. Please refer to Form Y250 and Form Z725 for more information on this topic.
Describes how to prevent floor complaints and callbacks with proper floor sheathing installation. View on mobile devices at www.apawood.org/buildertips. Updated July 2016.
Proper connection details are important to the structural performance and serviceability of timber-framed structures.This illustrated guide shows correct connections as well as common connection errors involving glued laminated timbers. Revised July 2016.
Summarizes APA test data on bolted plywood joints. This publication is available in PDF format only. Revised November 1997.
Summarizes APA test data on screwed plywood joints. Revised June 2011.
Recommendations for field notching, tapering and drilling glulam beams. Available only as PDF document. Revised November 2014.
Covers structural adhesives for strength and stiffness, and semi-structural adhesives for stiffness only. This publication is available in PDF format only. Revised May 1998.