Zinc Roof Defense 50 Ft. Roll

What is Zinc Roof Defense and how does it work? What is it? Our Zinc Roof Defense is 99.9% pure zinc, it comes in a 4 inch wide roll and is simply rolled out along the roofs ridge line and applied with nails and adhesive to prevent the return of any stains caused by roof fungus below it. Companies sell different width's and thicknesses of roof zinc, most is really so thin that it will tear in the wind! I guarantee mine won't ever tear or I will replace it for the life of the roof! that is a guarantee no other zinc manufacturer will make! The width of the zinc greatly influences the protection the zinc can provide below. The rule of thumb when it comes to roof zinc is that for every 1 inch the zinc is wide it will protect 10 feet below. So the wider the zinc the better protection. Most residential roofs have a run from the ridge to the gutter span 18-28 ft. we made our zinc 4 inches wide to give every roof more than enough protection. How does it work? The "theory" is that as it rains,