By Tom Schardin, Staff Writer The roof at St. John the Baptist Catholic Church was starting to leak, not to mention the 25-year-old building has had its share of lightning strikes over the years.

EPDM (ethylene propylene diene monomer) is a roofing material that is best known for its durability and suitability with flat roofs ... and only comes in black or white. Read more: Can You ...

A flat roof is the easiest type to build and offers ... If you have a spray polyurethane foam (SPF) roof, which is usually white, check for areas of discoloration. That means the material has ...