A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9

3M™ Algae Block™ Copper Roofing Granule System

Algae-resistant roofing granule system used for asphalt shingles. A two-part system of 3M™ Copper Roofing Granules and colored ceramic-coated 3M™ Roofing Granules that resist discoloration by algae. Available in a variety of colors.