Hey guys, I have always wanted to do a green roof. Never thought that I would have the opportunity to do one in my area. Well I just got a set of plans for a lakefront home that has 2 four car garages each of which is supposed to have a green roof. My contractor has asked for my help on this. So, I am asking for yours. Guys that have done it, I would love to hear tips, where to get materials, etc. Thanks.