July 12, 2010

Building Envelope Solutions forum

Green roofs need sensible design

In the rush to embrace green roofs, it’s essential that design professionals maintain their focus on the durability and proper performance of the roof, says one industry expert.

“If we’re going to talk about sustainability, we‘ve got to address the issues of durability, because it’s durability that brings sensibility to wanting to even be sustainable,” Scott Wylie, president of Wytech Building Envelope Solutions Inc. said in a recent presentation to the Building Envelope Solutions forum in Toronto.

“What good is it for a green roof to have a premature roof failing?” he said. “I don’t care what the system is ... the cost to replace that roof insulation, that membrane, is anywhere from $90 to $130 a square foot.

“You need to have some sensibility if we’re going to embrace the concept of sustainable design solutions. What we’re looking at is a higher level of performance, in my opinion.”

A properly performing roof can also help contractors steer clear of costly legal battles, Wylie noted.

“Roofing is the number one form of liability for design professionals,” he said.

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