Project: Sheathing and Shingling the Roof

Bob visits the Global Solar factory in Tucson, AZ to see how they company manufactures its unique solar-electric (photovoltaic) devices.

Bob talks with Deane Evans (from the Partnership for Advancing Technology in Housing) and Ren Anderson (from the National Renewable Engergy Laboratory) about photovoltaic roof shingles and how to install them.

Carpenter Bob Ryley demonstrates the installation of architectural-grade dimensional asphalt shingles.