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Scotchgard™ Shingles Restore Beauty to Main Line Suburban Community

In a well maintained and desirable community in suburban Philadelphia, an uninvited guest of sorts had moved in, threatening curb appeal and home values.

The culprit’s name: Gloeocapsa magma, more commonly known as blue-green algae. A species of cyanobacteria, the blue-green algae were causing dark-colored streaks on the Berwyn community’s rooftops.

“The existing shingles had quite a bit of algae staining,” said contractor Gary P. Martini, owner of GP Martini Roofing Co. “It looked very old, tired, unattractive.”

The Downingtown, Pa.-based roofing contractor turned to manufacturer Atlas® Roofing Corporation to address the situation. Martini used Atlas Pinnacle® Pristine Shingles featuring Scotchgard Protector to reroof all of the several-dozen homes in the community.


Good Defense Is Best Offense

During the manufacturing process, copper-fortified granules are evenly distributed across the surface of the Atlas shingles because copper inhibits algae growth. Independent third-party laboratory tests performed daily ensure optimal and consistent copper content, resulting in an algae resistant shingle qualified to earn the Scotchgard name.

While its competitors use 2-4 percent copper coverage on their shingles, Atlas uses a minimum 10 percent copper coverage evenly distributed wherever the roof surface is exposed to the elements. This allows roofing shingles to keep their color, and the home its curb appeal.

“I introduced the community to (Pinnacle® Pristine featuring Scotchgard Protector shingles) in an effort to attack their number one concern,” Martini said, referring to algae and its irksome black streaks. “Scotchgard provides the protection they were looking for.” 

When homeowners have Atlas shingles featuring Scotchgard Protector installed along with Atlas Pro-Cut® Hip & Ridge shingles featuring Scotchgard Protector, they receive a beautiful new roof with the most effective solution to prevent black streaks and stains caused by algae on the market today.


Nearly All Communities At Risk

While blue-green algae were booted from the subdivision handled by Martini, algae invasion is a story told over and over again around the country. The algae spores slowly take hold of a roof, usually starting on the north side and other areas where moisture is most present. Nourishing themselves on limestone filler in all shingle types, algae then spread and lead to aesthetic concerns.

Buildings in close proximity of one another are at risk of spreading the ugly growth. That is because infestations can easily occur when airborne spores from impacted building tops are blown about by the wind.

Leaving algae unchecked can encourage the proliferation of other growth such as moss and lichen. Addressing your roofing needs with a product that defends your roof’s curb appeal provides peace of mind from Mother Nature, and peace of mind at time of resale. Installing Scotchgard algae-resistant shingles from Atlas is a smart investment.

Martini’s two-and-a-half-month suburban Philadelphia job concluded in July 2014. “This is the first project we’ve ever used it on,” Martini said of Atlas algae-resistant shingles. “We were very pleased with the results.”

Residents in the Main Line community will no doubt be pleased with their choice for years to come.

Atlas Roofing manufactures a full line of shingles featuring Scotchgard™ Protector. Visit Atlas Roofing for more information. 

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 editorial staff.



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