Why Would Grey Shingle Roof Look Striped With Stains

The most common type is known as gloeocapsa magma also known as blue green algae.

Why would grey shingle roof look striped with stains. The algae will worsen and become more noticeable each year trapping moisture and causing premature shingle aging and granule loss. Today variations of black brown gray and red roof colors are available in a variety of different roofing materials. The most popular colors of roof shingles are shades of black brown gray and red. Of course some unscrupulous roofing contractors then realized that they could cut down on the good stuff and as long as the roof had a nice tint of orange or putty brown the two most common options available homeowners would consider their roof maintained.

The algae feed on the limestone in shingles. Water stains if the discoloration seems to be damp check the attic or ceiling below the roof stain and investigate for a leak. See roofing material defect environmentally caused roof shingle stains. Black brown or gray stains on roofing products due to debris left on the roof surface such as piles of leaves and organic waste from nearby trees.

This algae growth usually begins as small spots and then eventually becomes visible streaks. Take a look at the attached photo of such a roof what a disaster. Such a roof can be reasonably expected to be some 50 to 60 degrees cooler than a dark color asphalt shingles roof. These popular shingle colors stem from the materials that builders have been using for centuries.

Slate wood metal and clay. Now here s the blending principle. This article series tells readers how to identify explain the most common causes of black brown red gray green or white stains appearing on roof shingles and on other building surfaces. The same home with shingles that have a charcoal base but flecked with greens tans and browns would be far more appealing.

White and white shingles are perhaps the most versatile shade to work with when you re deciding what color roofing shingles or materials you want. See debris staining roof debris and. If you don t like the streaks reshingle with algae resistant shingles. Look in the gutters for signs of asphalt granules that have washed off and expect to need a replacement.

Although these dark spots and ugly black streaks on your roof may look like dirt mildew soot or mold what they really are is algae. It is best to choose a light color metal such as white light bronze beige peach light green or blue if you live in a region that has a lot of sun and a hotter climate. Light spots on roof shingles dark colored asphalt shingles may appear lighter and patchy as they age. The plainer the siding is the more a blended color pattern is needed to make your home look interesting and appealing.