Step 4 maintaining the.
Installing zinc strips on roof.
Install under the ridge cap shingle on both sides of the ridge.
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.
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.
Use corrosion resistant roofing nails with neoprene washers spaced 12 305 mm apart.
Step 1 safety.
Use a standard caulking gun for adhesive application.
Be careful moving up and down the ladder.
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.
This way the next course hides the nails holding down the previous one.
Do this the full length of the roof.
Install zinc strip on both sides of the ridge.
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.
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.
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.
It works with any wood or composition roof.
Do not insert more than 1 25 4 mm under the 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.
Step 3 installing the zinc strips.
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.
Patrick has a lot to say about you using zinc strips on your roof.
How to install a zinc strip to prevent moss on your roof.
Put on your protective eyewear work boots and work gloves before you begin.
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.
Install z stop zinc strips 50 foot roll to keep it from growing back.
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.
