Because of the composition of the fiberglass mat, less asphalt is needed to give the shingles their durability and strength. The result is a lighter weight and thinner roofing material.

IKO Residential (IKO), a division of IKO Industries Inc., a worldwide leader in the roofing, waterproofing and insulation ...

Owens Corning engages in the development, manufacture, and marketing of insulation, roofing, and fiberglass composites ... and strip asphalt roofing shingles and other products including oxidized ...