Install z stop zinc strips 50 foot roll to keep it from growing back.
Installing zinc strips on roof.
A good product to consider is roof be clean see www roofbeclean for product information.
Wouldn t that allow water through the roof.
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.
In these cases installing a second zinc strip approximately halfway down the roof slope is recommended.
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.
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.
The zinc metal strips are made from a variety of metals.
I conducted a fairly long term experiment by installing zinc strips on a moss covered garage roof and showed before and after photos after the zinc had sixteen months to work its magic.
Zincshield pure zinc strip to avoid ugly roof stains from moss algae fungus and mildew 50 foot roll includes bag of nails made in the usa 3 5 4 6 out of 5 stars 128 49 99 49.
Rain water must run over z stop to become effective.
It looks like they have nailed through the zinc in to the roof.
This article gives instructions for installing zinc strips at the ridgeline to inhibit moss.
The strips are then coated with zinc.
If possible it is best to slide about 1 4 under the roof ridge vent roof cap or the top row.
Apply z stop below anything that blocks rain water flow such as chimneys gables and skylights.
Installing zinc strips to prevent moss growth is a leak liability says the asphalt roofing manufacturers association.
Step 4 maintaining the zinc strips.
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.
These chemicals will create an environment that will prevent moss growth.
If the roof extends for more than 14 4 27 m down from the ridge where the zinc strip is installed re growth can occur.
By installing the strips on the ridge any water that runs over them will trickle down the roof carrying the zinc chemicals with it.
The roof must be cleaned of moss and or mildew.
I don t actually have a roof.
Zinc strip will help control the growth of moss and mildew it will.
