I found Yeshwant’s “DIY Green Roof” post on the Brownstoner forum and asked if he would be kind enough to give me some info to pass along to my ECO/DIY readers. Well, he went above and beyond my expectations! Thank you, Yeshwant!
Here are our reasons for wanting a green roof:
We bought an 1840s Federal brick rowhouse in Red Hook three years ago. Our top floor bedroom, with an uninsulated tar flat roof over it, sizzled in the summer heat. Finding a way to cool it was the main incentive to want to green the rooftop.
I also liked that green roofs prevent rapid heating and cooling of the roof membrane and are therefore supposed to more than double its life. The growth media and plants are supposed to help insulate the roof in the winter, which we hope will warm the usually chilly upper floor.
Red Hook is a flood zone and the storm drains often fail to carry away rainwater, especially during heavy summer storms. Many homes have storm water backing up into the drains. So, the mitigation of storm water volume could only help the community.
On summer mornings, we’ve also noticed that butterflies and bees seem to like sedum flowers. As do we.
Here is the process: Continue reading DIY: A Green Roof Grows In Brooklyn