Asphalt shingles heat up very quickly during the day, much hotter than green roofs, then cool down much faster at night.
However, green roofs moderate daytime solar gain and do not heat the roof to the high temperatures seen on asphalt shingles. Green roofs really help keep roofs cool - and make a great place to grow vegetables!
|Green Roof Comparison Chart - Temperatures - Click to Enlarge|
|Green Roof Mustards|