February 2023

APA Update Banner

UPDATED GUIDE

Q230: APA Wall Bracing Calculator Quick Start GuideAPA Wall Bracing Calculator Quick Start Guide

APA’s Wall Bracing Calculator is a free tool intended to simplify the design of residential structures that comply with 2009, 2012, 2015, 2018 or 2021 International Residential Code (IRC) wall bracing requirements. The calculator generates a printed report showing IRC wall bracing requirements have been met, simplifying the approval process for builders and code officials. This handy Quick Start Guide has been updated and provides basic instructions for using the APA Wall Bracing Calculator.
GET GUIDE >
VIEW CALCULATOR >


GLULAM ADHESIVE STANDARD

ANSI 405-2023: Standard for Adhesives for Use in Glued Laminated TimberANSI 405-2023: Standard for Adhesives for Use in Structural Glued Laminated Timber

This Standard provides minimum requirements to evaluate adhesives for use in structural glued laminated timber.
GET >


REVISED TECHNICAL TOPIC

N370: Stapled Sheet Metal Blocking for APA Panel DiaphragmsStapled Sheet Metal Blocking for APA Panel Diaphragms

Offers discussion and recommendations derived from APA’s test program for substituting sheet metal strips for lumber blocking at panel joints.
GET >


NEW TECHNICAL TOPIC

TT-132: Multiple Small-Diameter Holes for Electrical CablesMultiple Small-Diameter Holes for Electrical Cables

This publication provides recommendations for cutting holes in I-joists, laminated veneer lumber and glulam for electrical cables in compliance with the National Electrical Code (NEC) and International Residential Code (IRC).
GET >