A new product developed by two ASU students is being called sunscreen for buildings. It’s a new type of roof coating that ...
roofing felt, and asphalt sheets. Tar and gravel roofing dates back to 4,000 B.C., when it was used in Mesopotamian homes to ...
A new product developed by two ASU students is being called sunscreen for buildings. It’s a new type of roof coating that ...
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