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, musty discolorations? Here's how to clean the unsightly discoloration and keep it from coming back. Black streaks on the north- and west-facing and shaded areas of your asphalt-shingled roof can truly trash the appearance of your home. The streaks appear like mold, however they're really algae colonies that form in your shingles and eat wetness and the limestone filler agents in the shingles.

However when the algicide disappears, your roofing system hosts an all-you-can-eat buffet for the area algae spores. So it pays to clean your shingles as quickly as you find algae growth. Professional roofing cleaners charge numerous dollars; the larger the roofing, the more hundreds you'll spend. And they need to duplicate the cleaning every couple of years.

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You'll need a full-body harness, a garden sprayer, a garden hose pipe and a nontoxic, noncorrosive roof-cleaning chemical. Some producers offer a special tool applicator and rinsing tool, but if the staining isn't severe, you may not require them. If you search online, you'll see hundreds of posts on roof-cleaning methods. house shingles.

We do not recommend that technique. Even at low pressure, a power washer can seriously damage shingles. Plus, chlorine bleach is a corrosive agent that can harm metal roof flashings, gutters and downspouts. It can lighten the color of your roofing and "bleach" anything the overspray contacts. And the runoff harms plants.

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Bleach may kill the leading layer of algae and lighten the spots, but it does not kill the underlying algae. So the algae colony gets right back to work. Sodium hydroxide (lye) items, on the other hand, work much better than bleach and are less damaging to plant life. However they're likewise destructive, and using them needs you to don complete protective gear.

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We selected Defy roofing system cleaner for this story (saversystems. com), but there are other brand names. Check the weather condition forecast and pick a cool or overcast day with little to no wind so the spray strikes your shingles, not the next-door neighbors'. Those conditions allow the cleaning option to soak deep into the algae nests without vaporizing too rapidly.

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Then prepare the area by moving yard furniture and covering vegetation, since you're going to have overspray. Even though the product we selected isn't poisonous, the overflow can be pretty awful. So a little prep work will save you clean-up time later on. roof patch.

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included a large range of various benefits that make them an appealing proposition for many homeowners across the nation. They're extremely flexible by style, enabling them to be adapted to several angles, shapes and kinds depending on your requirements. They also bring with them an amazing design range (especially when it comes to color scheme options), letting you truly end up with a unique-looking visual technique to your home that is all your own.

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If you really wish to clean your asphalt shingle roof in the proper way, there are a few crucial things you'll wish to remember. In addition to unneeded wear and tear on your roofing tiles from the weather condition, the primary concern that you should have if you don't regularly tidy your asphalt shingle roofing is moss growth. As moss thickens and continues to grow on your roof gradually, it can in fact raise up the songs in an abnormal way.

This in turn not only limits the life-span of your roofing system and could cause specific tiles to rot, however it likewise makes a leak far more most likely - resulting in damage inside your house, also. are also really typical on asphalt shingle roofings that are not correctly maintained, all of which mean that cleaning your roof regularly need to always be a top priority in the life of any property owner.

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Whatever you do, ensure that you don't utilize harsh chemicals or you might synthetically shorten the life of your tiles. Use an item specifically created to not only get rid of moss and algae spots, however one that is marked safe to utilize on asphalt shingle roofs. For the very best results, blend your chemical cleaner with about a gallon of water and a quart of bleach.

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When you're completed, get up on your roofing (making certain to take preventative measures versus both a fall and the truth that you're dealing with chemicals) and spray down your roofing system as completely as possible (replacing shingles). Once you've taken the possibility to damp down your whole roof with the aforementioned solution, offer it an opportunity to sit - usually about 15 minutes or so will do simply great.

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