National Post (National Edition)

Building demand for lumber

Max height of wooden buildings raised to 6 storeys

- By nicolas Van Praet

MONTReAL• Quebec is taking significan­t steps to promote the use of wood in constructi­on, joining B.C. in pushing for a fundamenta­l rethink of the steel and concrete standard that has dominated Canada since the industrial revolution.

The province on Tuesday adopted a wood charter to champion the use of wood in constructi­on and valueadded products. Among its effects: It eases the building code to increase the maximum height for wood-frame constructi­on to six storeys from four. And it forces the developers of all government­financed projects to consider wood in their building options.

Quebec is characteri­zing its support for lumber primarily as an economic move to save jobs. The sector, one of Quebec’s key industries, has been in a near-depression in recent years following the collapse of the U.S. housing market and has only risen out of its slump in recent months.

But it really has just as much if not more to do with the Parti Québécois government’s obsession with its environmen­tal record. The PQ says that each cubic metre of wood captures one tonne of carbon dioxide in its cell structure. And so promoting its use through legislatio­n helps the party argue it’s doing its bit to fight climate change.

It all sounds a bit like an affirmativ­e action program for a building material. But advocates say it’s necessary because wood doesn’t enjoy the same familiarit­y among architects and builders of non-residentia­l constructi­on as steel and concrete. And they argue the environmen­tal benefits are real when compared to other constructi­on staples.

“There’s a misunderst­anding of wood and its possi-

It was sort of assumed that we didn’t need wood anymore

bilities that needs to be corrected,” said Frédéric Verreault of Chantiers Chibougama­u, a mid-sized exporter of lumber and engineered wood. “[This] could have great impact in that sense.”

B.C. has led the provinces in efforts to speed up wood use, with wood-specific legislatio­n in place since 2009. The province is home to North America’s tallest wood-frame building, the 28-metre high Wood Innovation Design Centre in Prince George.

The architect of that building , Michael Green, said shaking off the perception of wood as flimsy and highly flamable is the greatest challenge. The cross-laminated timber used to build tall buildings now is nothing like the two-by-four constructi­on people might imagine.

Following several major urban fires in the early 20th century, steel and concrete was seen as the magic solution to non-residentia­l building and there was an automatic shift to those materials, Mr. Green said.

“At that time, it was sort of assumed that we don’t need wood anymore, we can kind of move on. And fair enough. I think that was true at the time. But what’s happened is we’ve now realized that we’ve jumped into bed with two materials that have huge environmen­tal and carbon footprints that were unintended consequenc­es.”

Both steel and concrete generate significan­t emissions because they use an enormous amount of energy to make, Mr. Green said. By contrast, wood exists naturally and stores carbon.

Wood is primarily used to build homes. But interest in the material for commercial and institutio­nal buildings is growing worldwide. Buildings eight, nine and 10-storeys high have sprung up over the past five years in Italy, Britain and Australia. Major global engineerin­g and architectu­ral firms like Arup and Skidmore, Owings and Merrill LLP are starting to do their own work in the area.

Louis Poliquin, director of market developmen­t for the Quebec Forest Industry Council, said there’s a major opportunit­y for the wood industry to grow its footprint among small businesses in particular. He said dozens of Ultramar gas stations and Tim Hortons restaurant­s in Quebec have moved to wood constructi­on in recent years because it was cheaper. Wood is used in less than 20% of non-residentia­l constructi­on in Quebec.

“This isn’t about the government interferin­g in the choices of business,” he said. “It’s just rebalancin­g things a little bit to give wood more of a chance. And that’s healthy for competitio­n.”

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