A. White EPDM (ethylene propylene diene monomer) rubber roofs do cost more than a conventional black roof; however, as more commercial buildings install white roofs, the cost should come down.

A Lancaster County couple recently tried an unusual color for their roof to save money. Skip to content. ... White roofs can keep buildings cooler Lancaster Co. couple tries unconventional color.

A. White EPDM (ethylene propylene diene monomer) rubber roofs do cost more than a conventional black roof; however, as more commercial buildings install white roofs, the cost should come down.