How To Install Zinc Roof Strips

Insert the nails into a washer or rubber gasket to prevent any water from leaking into these spots.

How to install zinc roof strips. Using 2 5 or 3 5 wide zincshield install by butting the zinc strip against the ridge vent roof cap or the top most row of shingles at the roof ridge. Use a hammer and nails to secure the strip to the roof. Apply z stop zinc strip 50 foot roll by butting it up against the ridge cap against both sides of all roof peaks see graphic. Finally the ridge cap goes on.

Installation instructions how zinc strip works zinc strip does not kill moss or mildew it helps inhibit their growth so that in most cases the need for roof cleaning is reduced or eliminated. By installing the strips on the ridge any water that runs over them will trickle down the roof carrying the zinc chemicals with it. Apply z stop below anything that blocks rain water flow such as chimneys gables and skylights. This way the next course hides the nails holding down the previous one.

At the ridge before a ridge cap goes on you also nail down the zinc strips placed so they will protrude beyond the ridge cap. In order to install zinc strips you must either nail them in over the asphalt shingles or break the seal and install them under a strip of shingles. The premade ones are much quicker and probably neater looking. Installing zinc strips to prevent moss growth is a leak liability says the asphalt roofing manufacturers association.

The zinc strip is installed along both sides of the ridge of the roof with most of the strip left exposed. That is you nail down a course of shingles then lay down the new course above the last course working up the roof. The exposed zinc strip will oxidize forming zinc oxide. If possible it is best to slide about 1 4 under the roof ridge vent roof cap or the top row of shingles.

Rain water must run over z stop to become effective.