Green Roofs, In Vancouver Does This Mean Green as in Money?
December 6th, 2008
Photo Courtesy of:pnwra
And when I say money, I mean money in the form of costing money down the road.
It does seem like a great concept, and great for the environment, but there is one major problem that I can’t get out of my mind. If you put dirt, grass plants etc. on the roof of a building, is that not just like when they do the same over a underground parking?
As many of you may know, this seems to cause trouble quite often with the membrane failing and water seeping through. It is common to see underground parkades with water leaking into them, often not a huge deal as they can inject where the leaks are coming from, but also not uncommon is having to take up all the landscaping and re-doing the membrane.
Don’t forget, it is not such a huge problem when you have minor leaks in a parkade, most have just come to accept them as normal which I think is a reasonable way to look at it, but if those same leaks are happening on the roof of a building and the water is getting into the building, seems to me we have a problem. with all the leaky condo problems we have had and continue to have, it does not make a lot of sense to me to be putting landscaping on the roof of a building that will act like a sponge for moisture.
Now I must say, I am not a engineer or any type of expert in this area so I stand to be corrected on this, but on the surface I have some serious concerns about this.
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