shed with green roof. Sedum planting, kentucky harvested poplar, reclaimed windows, and home-made barn door hardware.
I'm no green roof expert, so take what I say with some skepticism. The goal is to keep your growing medium as light as possible. That's why I used lava rock for the base layer. Also, compost is fairly light as well. It's the sand that's heavy. I believe all the growing medium was about 2000 lbs. and we