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Roof Mold Stain Removal
OUR ROOFERS HELP GET RID OF MOLD STAINS
Black streaks and stains found on asphalt shingles are eyesores that make a home unsightly. They also can invite plant matter and fungi to attach to shingles and cause damage if untreated.
These black streaks found on your roof are usually mold or fungi, and they form strength through photosynthesis and a limestone filler found in shingle composition.
At Hometown Roofing in Dallas and Fort Worth, our roofers can help with the removal of these annoying stains.
The general guideline for roof vents is
For every 300 square feet of attic floor space, have about one square foot of ventilation area. If your roof is made of asphalt shingles, you must have ventilation or you’re at risk of voiding your warranty, which can set you back potentially thousands of dollars if your roof needs repairs or to be replaced in the future.
More Information On Roof Algae
Today’s shingles are mostly made of limestone and fiberglass, and algae utilize the limestone as a food source. Black algae can only be found on the north or east facing sides of a roof. The algae can form a coating that protects it from UV rays.
Little or no light areas produce a blue-green color. Algae also protect themselves by finding areas of a roof where moisture is most prevalent, as these areas are cool and shady. According to both the American Roof Manufacturers Association and the Canadian Asphalt Shingle Manufacturers Association, algae is only an aesthetic issue and not as much as a damaging issue for your roof.
However, roofs having algae on them attract other life forms that are capable of causing damage. Algae and fungus combinations create something called lichen, which is a photosynthetic fungus with roots that wrap around granules. The plant feeds on shingle filler, and once attached, lichen is hard to remove. Dried out lichen comes back to life when moisture or rain occurs, and oftentimes, power washing and scrubbing cause even more damage.
Moss is another organism that grows on roofs. It shortens the lifespan of a roof because it retains moisture that freezes in cold climates and causes damage to granules and shingles. Roof cleaning is not a do-it-yourself project. Without proper equipment and training, the result is sometimes disastrous. Professional roof cleaning removes streaks and discoloration for much less than roof replacement costs.
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