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Denver Roofing: Article About Common Environmental Roof Hazards

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Several common types of environmental hazards can damage a roof. Homeowners may notice streaks or strange substances growing on the roof that they did not see a few days before. Plants and fungus often grow wild on roofs because there is some humidity in the air and enough shade for the substance to thrive. Denver roofing professionals frequently hear from homeowners who attempted to remove the substances themselves, which led to them breaking an arm or leg, tearing down shingles and killing off their lawns. Those companies recommend that homeowners look at the different environmental hazards found on roofs and then call a professional to remove those substances.

There are four common environmental substances/hazards found in Colorado: mold, mildew, algae and moss. While moss looks nice on some types of homes, homeowners should never let the plant grow wild. Even a small patch of moss can quickly take over the top of the house and later spread down to the malls and lawn. A similar hazardous plant is kudzu. Though more commonly found in the south, kudzu is a wild plant that some imported to other parts of the country.

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One of the only things that really kills kudzu is fire, and even that doesn't always work.

Mold and mildew are also common on roofs, especially if the home features a roof plane. Certain types of planes provide additional shade, which mold in particular desires. Though black mold is potentially toxic and fatal, homeowners can easily mistake a darker color of mold for black mold, which is why they should arrange for a professional inspection of the roof. Mildew is usually a little lighter in color and may have a powdery surface. Both mold and mildew grow faster when the humidity rate climbs.

Homeowners will also need help when it comes to ridding their roofs of algae. The algae that grows on homes is similar to the algae that grows in ponds, lakes and even swimming pools. Though it is usually green in color, it can also range in appearance from light blue to a rich chocolate brown or even black.

Mold, mildew, algae and moss can do significant damage when left to grow wild. Any substance growing between the shingles essentially will cause the shingles to pop off the roof. These substances can also lead to the rotting of a wood deck, destruction of the underlayment and eventually leaks or water damage.

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