Should I Soft Wash My Roof?

RCS Roof Soft Wash
July 5, 2022 at 6:00 a.m.

By Cass Jacoby, RCS Reporter. 

When it comes to whether or not you should wash your roof, the internet can be a loud place. 

For every resource telling you to wash off algae stains, there is another site warning you that using a power washer basically guarantees a void in any roof warranty. Still, you want those ugly black streaks and dark spots off of your roof. And you know that your roof is getting dirty.  

So, what is the solution? Reader, let me introduce you to soft washing. 

What is soft washing?  

For the majority of roof types, soft washing is the recommended cleaning method. A soft wash is when a biodegradable cleaning solution is sprayed on the roof, working its way into all the crevices and undersides of shingles. The solution adheres and soaks into the roofing material, helping to dissolve built-up residue. It is then gently washed away by a stream of gently pressurized water that won’t damage your shingles.  

This process removes bacteria, algae and other organic material from your siding, roof and walkways. 
There are numerous benefits of soft washing, however, the decision to soft wash ultimately depends on your priorities and the needs of your property. Here are the top four reasons to consider professional soft washing services: 

1 – Reduces the risk of damage 

Soft washing, unlike power washing, doesn’t damage more fragile exterior surfaces. This is a big one, since power washing can damage shingles by wearing off their granules or straight up dislodging them. It might seem like your roof is invincible, but it can actually be quite delicate. Soft washing is both gentle and thorough, so there is minimal likelihood of causing damage. 

2 – It can increase the longevity of your roof 

Damage like lichen, fungi, and algae on your roof's shingles will shorten the lifespan of your roof. These contaminants hold extra moisture against roof shingles and roof paper and this added moisture causes shingles to get soft and crumbly, leading to water leaks.  

Washing your roof is a part of maintaining it, regular soft washing will help eliminate buildup and ensure that no contaminates can cause the need for a roof repair. This can save you a lot of money in the long run, as preventative care is nearly always cheaper than a new roof. 

Plus, according to The Katy News soft washing can solve your pest infestation issues. The maintenance method will destroy their nests in the roof, shooing away rats, roaches, birds and others. 

3 – Eco-friendly 

Unlike other chemical processes, soft washing does not involve harsh chemicals that can damage local wildlife and plants on your premises. This is because soft washing uses a biodegradable solution that destroys organisms at their root. Labor Panes highlights that professional cleaners use special detergents that kill mold and algae and prevent further growth, keeping them out of your house. 

4 – Curb appeal 

Soft washing regularly can keep your roof looking its best. Dirt is removed, and all germs and pollutants are eliminated. This will not only improve the appearance of your roof, but it will also maintain its worth. Angi writes, “A thorough roof washing can help restore color and brightness, giving your home an instant facelift. Having a clean roof also makes it easier to visually inspect it and spot any possible issues such as loose shingles or flashing.” 

Conclusion 

Soft wash roof cleaning is the safest and most effective way to remove dirt and stains on any roof.  

There are many reasons why properly cleaning a home's roof is not a DIY job, from safety concerns to improper chemistry, so make sure that you are calling in professionals with the skills and expertise to wash your roof correctly. Professionals like Guardian Roofing have the soft wash systems and correct chemicals that will fix the root issue of algae and lichen. 

A regular, professional roof washing can restore your roof’s appearance and remove build up that is harming your roof without damaging your shingles or landscaping. If you are thinking your roof is looking dirty, then it’s time to call in a soft wash. 

Have a question? AskARoofer.   

Find your local roofing contractor in the RoofersCoffeeShop® Contractor Directory.  

About Cass  

Cass works as a reporter/writer for RoofersCoffeeShop and AskARoofer. When she isn’t writing about roofs, she is writing about movies for her master's degree and dancing with her plants.   

Photo credit: Soft Wash Tally



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