Publications & Media

Wood Solution Papers

Taking the Guesswork out of Mixed-Use Building Requirements

Provides logical, code-compliant steps for key aspects of mixed-use building design

U.S. Mass Timber Floor Vibration Design Guide

Synthesizes current design procedures and recommendations for mass timber floors and presents the results in a format that is both approachable and useful to the U.S. engineering design community

Insurance for Mass Timber Construction: Assessing Risk and Providing Answers

Intended for developers/owners seeking insurance for mass timber buildings, design/construction teams looking to make their projects more insurable, and insurance professionals looking for information on safety and performance

Mass Timber Connections Index: Optimal Connection Considerations

Companion paper to the Index of Mass Timber Connections; focuses on structural connections, addressing considerations such as aesthetics, fire-rating requirements, constructability and moisture protection

Concealed Spaces in Mass Timber and Heavy Timber Structures

Covers the choice of construction type and other implications for concealed spaces

Demonstrating Fire-Resistance Ratings for Mass Timber Elements in Tall Wood Structures

Examines how to achieve FRRs under the new tall wood construction types in the 2021 IBC

Shaft Wall Requirements in Tall Mass Timber Buildings

Takes an in-depth look at the requirements for shaft walls under the 2021 IBC, including when and where wood can be used

Effective Termite Protection for Multi-Family & Commercial Wood Buildings

Focuses on how to design and construct wood-frame buildings for protection against subterranean termites

Analysis Guidance for Cross-Laminated Timber Construction Exposed to Airblast Loading

Overview of the Protective Design Center Technical Report (PDC-TR) 18-02, released by the U.S. Army Corps of Engineers to help engineers analyze and design CLT structures for blast loads

Mass Timber Cost and Design Optimization Checklists

Guides coordination between designers and builders (GCs, construction managers, estimators, fabricators, installers, etc.) as they are estimating and making cost-related decisions on mass timber projects

Fire Design of Mass Timber Members: Code Applications, Construction Types and Fire Ratings

Focuses on how to meet fire-resistance requirements in the IBC, including calculation and testing-based methods

Companion piece to WoodWorks’  Inventory of Fire Resistance-Tested Mass Timber Assemblies

Tall Wood Buildings in the 2021 IBC – Up to 18 Stories of Mass Timber

Summarizes the changes as well as the background and technical research that supported their adoption.

Acoustics and Mass Timber: Room-to-Room Noise Control

Emphasizing room-to-room noise control, this paper covers key aspects of mass timber acoustical design. Companion piece to WoodWorks’ Inventory of Mass Timber Acoustic Assemblies.

5-over-2 Podium Design: Part 1 – Path to Code Acceptance

Covers important design considerations and traditional approaches related to the design of a 5-story wood-frame structure over a 2-story concrete or masonry podium.

5-over-2 Podium Design: Part 2 – Diaphragm & Shear Wall Flexibility

Helps engineers better understand flexibility issues associated with 5-over-2 podium structures and how they can affect the design process.


Accommodating Shrinkage in Multi-Story Wood-Frame Structures

Describes procedures for estimating wood shrinkage and provides detailing options that minimize its effect on building performance.


Wood-Frame Schools: Durability Techniques for Interior High Traffic and Moisture Areas

Presents ways to increase the durability of wood-frame schools; includes discussion of exposed heavy and mass timber elements.

shaft wall solutions

Shaft Wall Solutions for Wood-Frame Buildings

Provides an overview of design considerations, requirements, and options for wood-frame shaft walls under the IBC.

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An Approach to CLT Diaphragm Modeling for Seismic Design with Application to a U.S. High-Rise Project

Presents and evaluates a candidate CLT diaphragm analysis model approach as an engineering design tool based on the needs of seismic design in the U.S.


Getting to Yes: Making Effective Use of the Alternate Means Process

Provides an overview of the Alternate Materials and Methods Requests (AMMR) process, including reasons to pursue an AMMR, requirements, examples, and practical considerations.


Options for Brick Veneer on Mid-Rise Wood-Frame Buildings

Reviews code-compliant methods for using brick veneer over the entire height of a mid-rise wood-frame structure.

Energy Code Compliance in Wood-Frame Buildings

Provides an overview of how to meet energy code requirements with an emphasis on wood-frame buildings and compliance with the 2012 International Energy Conservation Code. 

Acoustical Considerations for Mixed-Use Wood-Frame Buildings

Acoustics are just one aspect of building performance and must be considered in combination with requirements such as fire protection, structural systems and energy efficiency.

The Analysis of Irregular Shaped Diaphragms

Provides an overview of a method, based on simple statics, which can be used to analyze complex diaphragm structures, while guiding readers to more detailed information through the references.