Re: green roofs

**W*@aol.com**

You should definitely contact Ed Snodgrass and also talk to ASLA - they  have 
a green roof at their HQ in DC that is a good example of how to do it. I  
have heard of NO green roof failures in DC installations.

I do hear a lot about failures of skylights and greenhouses due to  water and 
wind leaking.

Sincerely,
Kathy Jentz
Editor/Publisher
Washington  Gardener Magazine
826 Philadelphia Ave.
Silver Spring MD  20910
301-588-6894
editor@washingtongardener.com
_www.WashingtonGardener.com_ (http://www.washingtongardener.com/) 

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In a message dated 1/6/2008 1:23:16 P.M. Eastern Standard Time,  
cterler@gardenvista.com writes:

Does  anyone have any information on the success rate of green roofs on  
commercial buildings in this country?  Through a friend who has just  
completed a green room on his garden shed, I heard of someone in a condo  
in DC.  The association wants to redo the roof (which is in none too  
good condition) as a green roof. The person I heard about was voting  
"no" because he says the large commercial applications have a "high  
failure rate." That is, they leak, and plants die out and have to be  
constantly replaced at a great expense. My assumption is that they  
either didn't build them properly, or chose the wrong plants?    Any 
thoughts or information?  I know a huge percent of commercial  builidings 
in Germany have green roofs, but perhaps we are still far  behind in this  
country...

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