Question: what are the different roofing materials?
Answer: Solar tiles. Advanced solar collectors integrate seamlessly into existing shingles, generating up to 1 kilowatt of energy per 100 square feet. ... 
Asphalt shingles. ... 
Metal roofing. ... 
Stone-coated steel. ... 
Slate. ... 
Rubber slate. ... 
Clay and concrete tiles. ... 
Green roofs.