When replacing your roof you may be tempted to choose the material based on the one that lasts the longest. Depending on your roof, this could be a mistake.
The slope of your roof will dictate what material you can use. As you are getting ready to replace your roof, our roofing calculator can help you determine the materials you'll need, even if you aren't sure of your roof area.
For those just learning, we are going to show you how to calculate your roof area in this handy guide.