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Cross-Laminated Timber Buildings: A WBLCA Case Study Series

https://research.thinkwood.com/en/permalink/catalogue2360
Year of Publication
2019
Topic
Environmental Impact
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Walls
Author
Kwok, Alison
Zalusky, Hannah
Rasmussen, Linsday
Rivera, Isabel
McKay, Hannah
Organization
TallWood Design Institute
Year of Publication
2019
Country of Publication
United States
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Walls
Topic
Environmental Impact
Design and Systems
Keywords
LCA
Life-Cycle Assessment
Case Study
Embodied Carbon
Language
English
Research Status
Complete
Summary
This series highlights five whole building life cycle assessments (WBLCAs) of buildings incorporating the building material known as cross-laminated timber (CLT) into some or all of their structure, using a primary cradle-to-grave system boundary. This case study series will serve as an educational resource for academics, professionals, and CLT project stakeholders. While there is some uncertainty about the best way to reduce greenhouse gas emissions from architecture and construction, using CLT and other wood building materials is one possible means to reduce the emissions associated with a building’s materials. When forests are managed sustainably, wood construction materials can contribute to climate change mitigation goals as an indefinite carbon store and as a replacement of other fossil-fuel intensive materials. WBLCA is an assessment method to estimate the environmental impacts of buildings; this series offers insight into the current possibilities and limitations of WBLCA for CLT buildings. The series begins with background information on WBLCA methods and CLT, a review of previously published CLT building WBLCAs, and a life cycle assessment of an individual CLT wall element using the WBLCA softwares Tally® and Athena Impact Estimator for Buildings (Athena IE).
Online Access
Free
Resource Link
Less detail

Seeing the Forest and the Trees: Environmental Impacts of Cross-Laminated Timber

https://research.thinkwood.com/en/permalink/catalogue2702
Year of Publication
2020
Topic
Environmental Impact
Material
CLT (Cross-Laminated Timber)
Author
Kwok, Alison
Zalusky, Hannah
Rivera, Maria Isabel
Rasmussen, Linsday
McKay, Hannah
Publisher
Taylor&Francis Online
Year of Publication
2020
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Topic
Environmental Impact
Keywords
Greenhouse gas emissions
Embodied Carbon
Embodied Energy
Life Cycle
Language
English
Research Status
Complete
Series
Technology
Architecture + Design
Summary
With advances in wood product development and building code acceptance, mass timber structural systems have become viable alternatives to steel and concrete structural systems (Post 2015). These mass timber systems have environmental benefits, such as carbon sequestration ability and lower greenhouse gas emissions than steel and concrete systems. How can mass timber materials such as cross-laminated timber (CLT) reduce the environmental impacts of buildings, and how certain is this reduction? In order to truly answer this question, environmental impact assessments of CLT and other wood materials must first address variation and uncertainty in forest management and biogenic carbon accounting.
Online Access
Free
Resource Link
Less detail