solar cells on Corning's Willow Glass (pictured right). For now, these are very small cells, but they could be used as roofing shingles. If production of these cells can be scaled up roll-to-roll ...

Asphalt roofing ... Owens Corning Duration Shingles offer the revolutionary SureNail Technology which increases the wind warranty and prevents loose or missing shingles in a wind storm.