by Web Editor | Oct 24, 2018 | News
From October 21-27, 2018, we celebrate the value of America’s forests and recognize how vital they are to our well-being and national prosperity during National Forest Products Week. This week is recognized each year by a Presidential proclamation. At the USDA Forest Service, we work year round to create new opportunities for wood products that contribute to diversified rural economies and support sustainable forest management.
By supporting forest products markets, we have the opportunity to create safer communities by reducing wildfire risk, supporting rural economic development, and contributing to a more sustainable building sector. The Forest Service is working to develop the U.S. market for cross-laminated timber, or CLT, and other mass timber technologies.
CLT is a made from several layers of dried lumber boards stacked in alternating directions, glued and pressed to form rectangular panels. These panels have exceptional strength and stability and can be used as floors, walls and roofs in building construction, replacing or used along with traditional building materials such as concrete and steel. In fact, the International Code Council is examining whether or not tall wood buildings up to 18 stories will be included in the 2021 International Building Code. A final decision will be made later this year.
The state of Oregon has already adopted the proposed provisions for the International Code Council under its Statewide Alternate Method, and Washington State legislation already embraces mass timber construction. The U.S. Department of Defense is already using CLT in some of its on-base housing because of the incredible resiliency of the materials and their resistance to explosive forces.
We are on the precipice of major momentum in the marketplace with mass timber, with four factories in production, including two making architectural grade CLT; five factories coming online (either under construction or just completed); and three more factories recently announced in eight states. Compounded with the upcoming code decisions, we expect to see many more mass timber and CLT buildings in the near future.
From the USDA: https://www.usda.gov/media/blog/2018/10/22/forest-service-celebrates-cross-laminated-timber-during-forest-products-week
by Web Editor | Sep 10, 2018 | News
Construction is underway in downtown Toronto on a multi-story mixed-use project that incorporates an innovative combination of glulam and cross-laminated timber (CLT).
The timber installation, scheduled for completion in mid-September, encompasses a combined floor and roof area of 3,800 square meters. The development, located at the southwest corner of Charles and Yonge streets, is thought to be the first significant contemporary “mass timber” project to proceed in the city’s downtown core.
By definition, mass timber construction uses large, prefabricated wood members for wall, floor and roof construction. These products include glue-laminated timber and CLT. “Timber construction is definitely staking a new claim, so many years after now century-old wood buildings were being constructed in the city,” said Gary Williams, president of Timber Systems Ltd.
The Markham, Ont.-based company was awarded a contract in November 2015 to both supply and install the timber for the four-story project which incorporates an existing heritage-designated building.
The project is being carried out for Shoppers Drug Mart, now owned by Loblaw Companies, by a team that includes Toronto-based architects Brook McIlroy and structural engineers Blackwell. The two firms have collaborated on wood construction projects in the past.
For more on this from ConstructConnect visit https://canada.constructconnect.com/dcn/news/projects/2018/09/toronto-timber-build-trendsetter-developers.
by Web Editor | Aug 22, 2018 | News
Wood Construction Pushes Forward On Both Sides Of The Border
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Mass timber construction is making waves on both sides of the Canada-U.S. border, but factors in each country mean a different pace of progress.
The state of Washington is rapidly moving forward on both green construction and use of advanced wood products, but Washington State Department of Commerce forest products sector lead Brian Hatfield said the state isn’t necessarily ahead of its Canadian neighbor. “In some ways, British Columbia is ahead of us in terms of low carbon building materials,” he said.
In 2017, the Washington State Department of Enterprise Services oversaw a pilot project that built 20 kindergarten through Grade 3 classrooms using cross-laminated timber (CLT) in five school district sites in Washington. “We had a pilot district for five school districts, all single-story schools, and those have gone pretty well. They went up quickly and everyone was impressed,” Hatfield said.
The state’s 2016 supplemental capital budget included $5.5 million for the pilot project, which also measures the efficiencies of using engineered wood products through the construction process.
While Washington is taking steps to increase wood use in construction, the Province of British Columbia has pushed for mass timber and wood-focused design for the previous decade. In 2009, the Province of British Columbia put the Wood First Act into practice, which requires provincially funded projects to use wood as a primary construction material. The B.C. building code was also modified in 2009 to allow for wood buildings of up to six stories.
From Journal Of Commerce: canada.constructconnect.com.
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by Web Editor | Mar 26, 2018 | News
From: Panel World Editors
Officials with Oregon State University are investigating a construction incident when a CLT panel failed in mid March at a campus building project. A 4×20 ft. panel, part of the sub flooring between the building’s second and third floors, gave way after delaminating on one end. No construction personnel were in the area and no one was injured. The panel was replaced, other sections of CLT sub flooring were shored up, and work was halted on other CLT sections.
Steve Clark, OSU vice president of marketing and university relations, said the university is bringing in an outside engineering firm to determine cause of the failure and whether any other CLT portions of construction were at risk of failure, and CLT work will resume once any issues are addressed. Ironically, the new Peavy Hall building is home to OSU’s renowned College of Forestry, and the building is designed to showcase Oregon’s forest industry and the relatively new (in North America) mass timber construction movement. However, Clark says project managers “have the utmost confidence in CLT” and plan to finish the project as designed using CLT. The project’s CLT panels are being supplied by D.R. Johnson Lumber of Riddle, Ore., which was the first U.S. producer to gain CLT certification in 2016.
by Web Editor | Mar 23, 2018 | News
Washington State legislators changed building codes in new legislation, a move expected to increase in the use of mass timber products in commercial and residential construction.
The Washington Forest Protection Association says the move will boost business for rural communities and forest landowners and will lead to an increase in the use of mass timber products in commercial and residential construction.
Mass timber products like cross-laminated timber (CLT) have been on the upswing in Washington in recent years, with Vaagen Brothers Lumber of Colville. Wash., and Katerra, a California company both announcing CLT factories in Eastern Washington. The material is increasingly being used in buildings around the state, according to the Washington Forest Products Association.
For Katerra, founded in 2015, CLT is an element in a broader strategy for resetting the building and construction industry. The company announced $865 million Series D funding round led by the SoftBank Vision Fund to fund its new plant in Washington, and it has already accumulated more than $1.3 billion in bookings for new construction, spanning the multi-family, student and senior housing, and hospitality sectors. It already has a fully operational manufacturing facility in Phoenix.
“The $12 trillion construction industry is extremely fragmented with tens of thousands of companies using minimal levels of technology. While labor-productivity growth has skyrocketed in the overall global economy, the construction industry has averaged only 1% annual productivity growth over the past two decades,” said Jeffrey Housenbold, managing partner for SoftBank Investment Advisers. New investors in Katerra’s latest the round include the Canada Pension Plan Investment Board (CPPIB), a private investment fund managed by Soros Fund Management LLC, Tavistock Group, Navitas Capital, DivcoWest, and others.
Read more on this from Woodworking Network at https://www.woodworkingnetwork.com/news/woodworking-industry-news/washington-state-wil-revise-building-codes-okay-mass-timber.
