How Long Do Zinc Roof Strips Last

In addition the strips often begin to warp over time and even the small clean streaky sections will begin to see moss and algae growth.

How long do zinc roof strips last. Patrick has a lot to say about you using zinc strips on your roof. In november of 2011 i wrote a blog post about using zinc strips to prevent moss from growing on the roof or possibly to kill moss. The moss dies and the roof stays moss free for 10 feet under a zinc strip for five years or so if it stays in place and stays flat. The exposed zinc will oxidize forming zinc oxide.

I ll report back with the results in a. Sometimes it is difficult to see the roof and we have had clients think that zinc strips were installed but ultimately none. Zinc strips kill moss. What is zincshield.

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. 2 5 3 5 and 6 0 see faqs for specific applications for each width. Three widths are available. Zinc strip moss control on roofs.

I m starting a long term experiment on my own house. Very large roofs may require extra protection. 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. Zincshield is a 99 2 pure zinc strip a trace of copper is added to provide strength and proper hardness in 50 foot rolls.

Homeowners can install strips of zinc purchased at a hardware store. Zinc is sold as a moss prevention product. Many people seek zinc strips because they have been well marketed and often recommended. If possible it is best to slide about 1 8 to 1 4 under the roof ridge vent roof cap or the top row of shingles.

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. The zinc strip is installed along both sides of the ridge of the roof so that most of the strip is exposed. Some homeowners are unaware that they may or may not have zinc strips installed. Zinc strips are also supposed to be effective at preventing black stains from showing up on the roof.