Copper roll flashing can be used in a wide variety of applications and copper roll flashing is especially popular with treated lumber or in areas requiring a very high level of corrosion resistance. Union's copper roll flashing utilizes a polymer backing to isolate it from dissimilar metals. As copper roll flashing weathers, it retains a light green patina. Union's copper roll flashing is 3 ounce copper in 8" and 20" wide copper rolls that are 20' in length.
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