Want to keep your house protected from the summer heat? It starts with your roof. After all, if your roof is attracting and trapping heat, it is going to make your house warmer. If your roof is cooler, your home will be cooler and easier to keep insulated. Despite the fact that cooler roofs mean cooler homes, most roofs are dark. Dark-colored roofs can be much hotter than the surrounding air temperature. How hot? Would it surprise you to learn it can be up to 50 degrees hotter? That is around 50% hotter than the hottest summer days. Fortunately, there are steps you can take to make your roof cooler.