As a lawn, the green roof of the new Vancouver Convention Centre is kind of a mess.
“It’s early in the whole life span of a natural roof but I would say we’re ahead of the game already.”
But the roof, even though it’s been getting its annual mowing for the last week or so, is more of a natural landscape than a lawn.
And that 2.4 hectare natural landscape of 400,000 indigenous plants and grasses is doing a great job as a living roof that insulates the convention centre, said assistant general manager Craig Lehto.
The roof, expected to last as long as the convention centre, is actually saving money.
“It’s early in the whole life span of a natural roof but I would say we’re ahead of the game already,” said Lehto. “The cost of maintaining it is nowhere what we’ve seen in savings.”
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By Frank Luba