Zinc Strips on Mossy Roof, Four Years Later Starting in 2010 I began conducting fairly long-term experiment by installing zinc strips on a moss-covered garage roof, and showed before and after photos ...

I've heard many roofers say that these zinc strips are worthless and ineffective, so I decided to conduct my own semi-long term test. For my experiment, I installed a zinc strip along the ridge of a ...

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. A: Yes, thin strips of ...

Q: My family room is attached to the house and has a two-slope, gabled roof. Moss grows on one side, so much that is becomes thick and water-logged, and water backs up under the shingles and causes ...

Q: I have a northern exposure to the front of my house. It does not get direct sun. … I have black streaks and a slight green color (moss?). I recall you talking about running a strip of copper under ...