How To Clean An Asphalt Shingle Roof: What You Need To Know

Published Oct 23, 20
5 min read

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Do shingles on your north, west or other shaded roofs have streaky, moldy discolorations? Here's how to clean up the ugly discoloration and keep it from coming back. Black streaks on the north- and west-facing and shaded locations of your asphalt-shingled roof can truly trash the look of your house. The streaks look like mold, but they're actually algae nests that form in your shingles and feed upon moisture and the limestone filler representatives in the shingles.

However once the algicide wears away, your roof hosts an all-you-can-eat buffet for the neighborhood algae spores. So it pays to clean your shingles as soon as you spot algae growth. Expert roofing cleaners charge hundreds of dollars; the larger the roofing, the more hundreds you'll spend. And they have to duplicate the cleaning every couple of years.

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You'll require a full-body harness, a garden sprayer, a garden pipe and a nontoxic, noncorrosive roof-cleaning chemical. Some producers offer a special tool applicator and washing tool, however if the staining isn't severe, you may not need them. If you browse online, you'll see numerous posts on roof-cleaning approaches. house shingles.

We don't recommend that approach. Even at low pressure, a power washer can seriously harm shingles. Plus, chlorine bleach is a corrosive representative that can damage metal roofing system flashings, seamless gutters and downspouts. It can lighten the color of your roofing and "bleach" anything the overspray contacts. And the overflow harms plants.

5 Vines About how To Remove And Prevent Black Algae Stains On Asphalt ... That You Need to See

Bleach might eliminate the leading layer of algae and lighten the spots, but it doesn't eliminate the underlying algae. So the algae colony gets right back to work. Sodium hydroxide (lye) products, on the other hand, work much better than bleach and are less harmful to vegetation. However they're likewise corrosive, and using them requires you to don full protective equipment.

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We picked Defy roofing system cleaner for this story (saversystems. com), but there are other brands. Check the weather report and select a cool or overcast day with little to no wind so the spray strikes your shingles, not the next-door neighbors'. Those conditions permit the cleansing service to soak deep into the algae nests without evaporating too rapidly.

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Then prepare the location by moving lawn furnishings and covering vegetation, since you're going to have overspray. Although the product we selected isn't hazardous, the overflow can be quite unsightly. So a little prep work will save you clean-up time later on. roof inspection.

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included a large range of different benefits that make them an attractive proposal for many house owners across the country. They're incredibly versatile by style, enabling them to be adapted to several angles, shapes and kinds depending upon your requirements. They also bring with them an unbelievable style range (particularly when it concerns color palette alternatives), letting you actually wind up with a unique-looking visual approach to your house that is all your own.

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If you actually want to clean your asphalt shingle roof in properly, there are a couple of crucial things you'll wish to keep in mind. In addition to unnecessary wear and tear on your roof tiles from the weather, the top concern that you must have if you don't routinely clean your asphalt shingle roof is moss growth. As moss thickens and continues to grow on your roofing system over time, it can in fact raise up the singles in an abnormal way.

This in turn not only restricts the life expectancy of your roofing system and could cause individual tiles to rot, but it likewise makes a leak a lot more most likely - leading to damage inside your house, too. are also really typical on asphalt shingle roofings that are not correctly preserved, all of which suggest that cleaning your roofing system on a regular basis need to always be a top concern in the life of any homeowner.

20 Things You Should Know About How To Clean Asphalt Shingles

Whatever you do, make certain that you do not utilize harsh chemicals or you could artificially shorten the life of your tiles. Use an item specifically created to not only eliminate moss and algae stains, however one that is marked safe to utilize on asphalt shingle roofs. For the very best outcomes, blend your chemical cleaner with about a gallon of water and a quart of bleach.

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When you're ended up, get up on your roofing system (making sure to take precautions against both a fall and the reality that you're dealing with chemicals) and spray down your roofing as thoroughly as possible (house shingles). Once you've taken the opportunity to wet down your whole roof with the previously mentioned service, give it an opportunity to sit - normally about 15 minutes or two will do simply great.

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