Installing copper strips on a shingle roof revised 2019.
Copper zinc roof strips.
Watch this short video first.
The zinc strip is installed along both sides of the ridge of the roof so that most of the strip is exposed.
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1 16 of 339 results for copper roof strips zinc protect roof strip for moss and mildew prevention 2 5 wide and 50 long zinc strip.
A copper strip on each side of the roof will extend the life of asphalt shingles 40 or 50 years.
The exposed zinc will oxidize forming zinc oxide.
Every time it rains some of this zinc oxide leaches down.
Zinc strip does not kill moss or mildew it inhibits their growth so that in most cases roof cleaning is reduced or eliminated.
Preventing roof moss with zinc strips in this video this old house general contractor tom silva shares tips for keeping a roof free of moss and mold by this old house.
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The roof pictured at the top of the page has zinc strips installed at the top of the roof below the roof ridge vent roof cap or below the first row of shingles.