Low-Slope Roofs

Low-Slope Roofs

How Low-Slope Roofs Work Low-slope roofs are most common on commercial and industrial buildings because their shallow pitch allows for large, structurally efficient roof spans and easier placement of mechanical equipment. Although they appear flat, they are built with...
Roof System

Roof System

How a Roof System Works A roof system is built in layers, with each serving a specific role. At the base of a roof system is the roof deck, which provides structural support. Above the deck is a secondary layer, such as underlayment on steep-slope roofs or insulation...