How often should you clean roof?

A home’s roof should be cleaned within the first five years of installation and then every two to three years afterward.

How often should you have your roof cleaned?

Generally, it is a good idea to get your roof cleaned by professionals once a year. This is often enough to where if problems develop, they can be caught early on. If you have a roof that is in good shape or was just recently installed, then you may only need a roof cleaning once every two years or so.

Is cleaning your roof necessary?

One reason to clean your roof is to extend the life of your shingles or other roofing material. While algae isn’t harmful to asphalt shingles, moss is, according to ARMA. … Luckily for you, the National Roofing Contractors Association advises against any DIY work on your roof, including cleaning it.

Does cleaning roof extend life?

Longer Lifespan

The better you care for your roof, the longer it will last. Having your roof cleaned will help extend its lifespan. Make sure you only let a certified roofing contractor clean your roof so you don’t have to worry about additional damage.

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Does cleaning your roof damage it?

Professional Cleaning

Standard, high-pressure washers can damage your roof when you’re trying to clean it. It’s important to use special equipment that does not harm the shingles and cause them to be torn from the high pressure. Reputable roof cleaning companies will also use a biodegradable cleaning solution.

How much does roof cleaning Cost?

Roof Cleaning Costs

Cleaning a roof costs $295 and $595, or $434 on average. Expect to pay between $0.20 and $0.60 per square foot. Regular roof cleaning makes it last longer and improves your curb appeal. This is a dangerous project that can damage your home, so it’s best to hire a pro.

What happens if you don’t clean your roof?

Roof Damage

When you have a clogged gutter, rainwater has nowhere left to go but overflow or soak through your shingles and leak into your home. Your shingles then become softened and significantly damaged, allowing for more leakage from rainfall.

Why do roofs get dirty?

Your roof is constantly exposed to the elements. Weather, moisture and falling debris lead to black streaks on your roof. Blue-green algae is the most common cause of these streaks. Algae thrive in humid environments, such as the Midwest in summer, and it spreads easily, blowing from one roof to another.

How many years does a roof last?

Your asphalt roof is about 20 years old

The life of a roof is how many years you get out of it. For a standard 3-tab asphalt shingle roof, that’s 25-years. As long as your roof has been properly ventilated and installed you should get pretty close to that 25 years of roof life.

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Is pressure washing your roof safe?

NEVER aim your pressure washer up the roof, as it can push water under the shingles. Spraying water under your shingles can both tear off the shingles and force water under them and into your home. … You shouldn’t have to pressure wash your roof any more than once every year or two at most.

Should you clean moss off a roof?

To avoid expensive repairs, moss should be removed from your roof tiles quickly if it is covering a significant area of your roof. Avoid pressure washing your roof to remove moss, as this could cause damage to the tiles and lead to the drenching of your roof interior.

What is the best way to clean your roof?

of laundry strength liquid chlorine bleach and water. This is the best way to clean a roof if you have asphalt shingles. After spraying the roof with the mixture, allow it to sit on the surface for 15 to 20 minutes before rinsing thoroughly with clean water.