Tag Archive for: Roof 101

Roof 101: Steep-slope Roof Material Options

There are two primary types of commercial roof systems: low-slope roofs and steep-slope roofs. A roof typically qualifies as a steep slope if it has a ratio of at least 3:12–for every 12 horizontal inches of roof, the slope increases by 3 vertical inches. There are three main sub-categories of steep-slope roofs that we normally […]