In the Southwest, clay roofs have been popular because they perform best in the region’s hot, dry climate and have a long ...

Most paved roads are made of asphalt. Asphalt consists of aggregate, sand, filler, and bitumen. These components are used to produce different types of asphalt, such as dense asphaltic concrete (AC), ...

Two different types of blends are available from Western Colloid, which produces asphalt-based sealers. Jeff Luzar, pavement products manager, says Western Colloid also produces two blended ...