Mildew Resistant Roof Shingles

There s more algae on roofs today because manufacturers use crushed limestone within the shingle as a filler so they don t have to use as much asphalt.

Mildew resistant roof shingles.

If you live in an area susceptible to algae growth be sure to specify this type of shingle when replacing your roof. Since asphalt is an expensive petroleum based product they try to minimize it by using more crushed limestone. Is available on a wide variety of shingle styles and colors ask your contractor for specifics. Tim carter roof shingles with copper tips.

They re often actually caused by tiny bacteria commonly called blue green algae scientific name. There s no such things as an algae resistant shingle. Read the roofing ripoff book to get the full story. Some shingles come with small amounts of copper in the granules.

Watch roof algae and moss video below. Gaf timberline hdz charcoal algae resistant laminated high definition shingles 33 33 sq. Many homeowners mistake these stains for mold mildew moss or even tree sap. Roof shingles with copper algae resistant outdoor roofing text.

This shingle is only available in 5 colors but they are relatively pleasing and if you are looking for an impact resistant shingle this is a good value for the money. In recent years roofing manufacturers have begun mixing copper granules into roofing products to produce algae resistant shingles. Gives homeowner peace of mind based on decades of owens corning testing and experience with algae resistance protection. Has a limited 10 year warranty see actual warranty for details limitations and requirements.

Copper strips at the top are the best way to stop black algae stains see below. Usually what you see on a roof is algae not mildew. Per bundle 21 pieces model 0489180 view the timberline hdz shingle collection. When you see the dark stains you re looking not at the algae but at the hard dark coating it generates to protect itself from damaging uv rays.

Standard roof shingles are quite susceptible to the unsightly black staining smears blotches and streaks caused by algae spores. Any of the major name brand shingle manufacturers gaf certainteed owens corning etc have multiple ar algae resistant offerings. An advantage size shingle from iko which is simply a larger cut tab shingle than other brands makes for a standout look some like and others find odd.