Why Should You Wash Your Roof?

Why Should You Wash Your Roof?

A dirty roof is not only unsightly, it’s a breeding ground for harmful germs and mildew. Washing it regularly helps keep your home clean and healthy.

There are many ways to wash your roof. Some methods involve high-powered water pressure, while others use chemicals. Regardless of the method you choose, it’s important to know what you’re doing. You can return to our home page.

High-pressure washing

A dirty roof can reduce the overall curb appeal of your home. It may also be a sign of underlying damage. Fortunately, a professional who uses the soft washing technique can remove moss, mildew, algae, and dirt from your shingle roof without causing any damage to it.

Never aim the pressure washer up the shingles. This can cause the water to shoot under them, potentially tearing them off and forcing water into your house. Instead, cover just a few shingles at a time and move the wand closer as needed.

It’s important to constantly check your work and always have someone else on hand to spot any accidental damage. Also, wet shingles are very slippery and it’s best to work in sections, applying detergent to one area before spraying it clean. This will prevent you from accidentally stepping on wet areas and falling off the ladder. It’s also a good idea to wear a helmet and safety goggles.

Low-pressure washing

Your roof is one of the most important parts of your home, protecting everything inside. However, it can be subject to a lot of damage from environmental factors over time, such as fungus and mildew. A dirty roof can also reduce the energy efficiency of your home.

A traditional pressure wash uses high-pressure water to blast away dirt and grime, but this can be damaging to your roof. Low-pressure washing, on the other hand, uses eco-friendly cleaning solutions and less water pressure to clean your roof and its surrounding areas.

When it comes to cleaning your roof, low-pressure washing is the safest method. This process uses lower PSI to avoid tearing up the shingles or damaging the structure of your roof. It can also help to get rid of moss and slow the return of growth. A clean roof increases the curb appeal of your home and can add value to it. It can also improve your home’s air quality by reflecting sunlight rather than absorbing it.


When it comes to cleaning the exterior of your home, chemicals are often more effective than high-pressure sprays. Pressurized sprays can chip wood decking and fences, cracked windows, and peeling old paint. In contrast, soft washing chemicals and low-pressure rinsing can dissolve thick dirt and grime, kill mold, mildew, moss, and other organic growth, and leave surfaces looking clean and fresh.

Many cleaning companies use sodium hypochlorite to kill organic growth and clean dirt from roofs and siding. This chlorine-based chemical also dissolves stains and can be used to safely remove mold, mildew, and moss from wood or stucco.

Sodium percarbonate is another chemical commonly used to clean roofing materials. This oxygen-based product starts to work as soon as it is mixed and applied with water. However, it must be used at proper dilution rates and limited time durations to avoid destroying asphalt shingles. It is best used to remove dirt, mold, and algae from tile, concrete, slate, and other non-asphalt roofing systems.


While washing a roof may not be at the top of your to-do list, it is important to do so for several reasons. Cleaning your roof can help kill and remove moss or algae growth, which can cause stains and damage to shingles. It can also make your home more energy efficient, as moss and algae can block solar panels.

When you’re doing a roof wash, it’s important to take the proper safety precautions. You should wear sturdy shoes with non-skid soles and a harness to ensure that you don’t fall off the ladder. Also, be sure to tie garbage bags around downspouts to prevent chemicals from spilling over the surrounding area.

You should also be aware of the laws in your area regarding the type of soap you can use to clean your roof and how much pressure you can apply to the surface. Most importantly, you should know if your roof warranty will be negated by washing the roof. Next blog post.



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