There are not many roofing materials that can match the longevity durability malleability flexibility resiliency and cost effectiveness of zinc.
Roof moss zinc vs copper.
According to the manufacturers zinc sulfate will not stain roofs or corrode aluminum and galvanized gutters.
Zinc everything you need to know about moss on roofs.
Not even aluminum or copper.
Copper is roughly 10 25 times more toxic to aquatic life than zinc.
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.
One brand name is moss b ware.
Zinc strips suppress moss growth due to metallic compounds in the strip.
There is of course no straightforward answer to this question while copper is a very much proven and prestigious roofing material option zinc offers an impressive level of durability versatility and visual appeal in itself.
Roofs with massive amounts of moss rarely see much improvement after copper or zinc strips are installed.
The reason is because zinc and copper suppresses growth but doesn t stop growth completely.
Any chemical that is used needs to be kept out of the stormwater system.
Today the focus is on what you can do to prevent moss growth on your roof if you have an existing roof with a moss problem try zinc strips.
Copper strips and copper impregnated shingles should be avoided due to copper s toxicity.
The active ingredient for some moss killers is zinc sulfate monohydrate usually at concentrations of 99.
Zinc sulfate general information.
Copper strips are supposed to work the same way.
If you do consider using copper zinc strips for moss suppression then it is better to completely remove moss before installing the strips.
Zinc roofs are known to last for hundreds of years even in the most extreme environments.
If you collect water from your roof in rain barrels avoid using the water for your vegetable garden.
A complete guide to how to remove moss on for those people who have moss or algae growing on their roofs and do not want to remove their string copper wire across the roof in intervals using nails or screws on the side of the roof do not.
I m cheap and don t want to buy copper flashing.