Step 2 preparing the roof.
Installing zinc strips on roof.
When our gsp 95 adhesive is used apply quarter to half dollar 1 1 4 to 1 1 2 size spots of adhesive at approximately 1 foot intervals pressing the zinc strip down flat to the roof as you move along.
You can cut strips of zinc flashing copper and lead work too and slide them under a course of roof shingles to kill lichen and moss growing there or you could just buy these premade strips from shingle shield.
Patrick has a lot to say about you using zinc strips on your roof.
Install zinc strip on both sides of the ridge.
Use a standard caulking gun for adhesive application.
Do not insert more than 1 25 4 mm under the shingles.
Install z stop zinc strips 50 foot roll to keep it from growing back.
Using the 3 5 wide zincshield install so that 3 4 to 1 is under the ridge vent roof cap or the top most row of shingles.
Put on your protective eyewear work boots and work gloves before you begin.
Step 4 maintaining the.
Installing zinc strips to prevent moss growth is a leak liability says the asphalt roofing manufacturers association.
Step 1 safety.
Z stop is a zinc roof moss algae and fungus inhibitor that is applied in strips to old or new roofs.
Be careful moving up and down the ladder.
Do this the full length of the roof.
Z stop a zinc strip 50 foot roll that s easily installed on your roof acts as a barrier to roof moss algae and fungus growth protecting the roof its appearance and value.
Install under the ridge cap shingle on both sides of the ridge.
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.
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.
On roofs with moss algae mildew or fungus the existing growth must first be removed by pressure washing or brushing then the root systems must be chemically treated and destroyed see magazine articles for bleach solution.
Step 3 installing the zinc strips.
That is you nail down a course of shingles then lay down the new course above the last course working up the roof.
This way the next course hides the nails holding down the previous one.
The premade ones are much quicker and probably neater looking.
Use a putty knife to break the shingle seal slip the strips under the shingles about 2 of the strip should show nail the strip with a galvanized nail under the shingle every two feet so they don t slip out caulk the nail heads with clear silicone caulk press the shingle down.
It works with any wood or composition roof.