Sunday, June 04, 2006

On green roofs

I struggle to see much 'green' about green roofs. What you are doing is going to great expense to make a roof look like a meadow. Which it's not - it's a roof. You have to beef up the rafters because of the extra weight. You have to tank the roof with a hi-tech (and not very green) waterproof layer laid over sheathing ply - so you basically have something like a felt roof at this point - and then you have to go to great lengths adding edging materials to ensure that your organic matter doesn't slide off and become a large mound of slurry. Oh, and it all costs a fortune.

What is the point?


Anonymous Anonymous said...

Is there no benefits to environmental aesthetics? Increased habitat in places overrun by urban development? Connection to a natural world we've covered in concrete and shingles? Decreasing storm water runoff? Decreasing the impacts of emissions? Reducing noise? Decreasing the urban heat island effect? Hmmm....seems like there are some green benefits you overlooked.

5:13 pm  
Anonymous Anonymous said...

Another thing.... What about growing your garden greens out there! Lettuce, cucumbers, etc. I think the term is edible landscaping.

9:16 pm  
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Rooftops are becoming very popular today. They are the new open spaces which most of the homeowners utilizing on their roofs. It is a place to plant greenery and take advantage of all that sun. Now most of the homeowners are realizing the benefits of building green garden roofing system.
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8:49 am  
Anonymous Olivia said...

The point -or one of them- is to help balance the carbon dioxide and oxygen.

4:03 pm  
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