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What Chemicals Are Used To Soft Wash A House?

What Chemicals Are Used To Soft Wash A House?

If your roof or other exterior surfaces are covered in an unattractive green carpet of algae or other organic matter, you might need a professional house washing company.

August 8th, 2020

If your roof or other exterior surfaces are covered in an unattractive green carpet of algae or other organic matter, you might need a professional house washing company. There are many methods that professionals would recommend for different parts of your house. The leading techniques include power washing, pressure washing, and soft washing. For people looking to get rid of the soil, plants, or other organic matter affecting their exterior home surfaces, soft washing is the best bet.

What Is Soft Washing?

Organic dirt that will deface your property’s exterior over time includes algae, mold, mildew, fungus, lichens, mosses, germs, viruses, bacteria, soil, and insects. Soft washing is an effective method to clean and treat organic dirt or stains from your home’s exterior surfaces, e.g., roofs, windows, and perimeter walls. Soft washing uses a unique cleaning solution made up of a mixture of special chemicals that kill this organic matter. When carried out by professionals, soft washing will give your house’s exterior a facelift and have it looking brand new!

Eco-friendly Biodegradable Chemicals

In case you are concerned about the kind of chemicals used in soft washing, this article will will assist you in discovering that soft washing uses gentle techniques that preserve the shelf life of your exterior surfaces and eco-friendly chemicals that are biodegradable. Here is a list of a few substances commonly found in soft washing solutions to put your mind at ease.


Surfactants are typical in many kinds of cleaning detergents because of their famous ‘roll up’ feature. Surfactants loosen, trap, and carry off dirt and other substances because they improve the water’s capacity to wash away the dirt.


Sodium hypochlorite is the main ingredient in the regular kind of household bleaches. Industrial strength sodium hypochlorite is also a component of the majority of soft washing chemical solutions. It acts as a disinfectant and color brightener.

Sodium Hydroxide (Lye)

Industrial strength sodium hydroxide (commonly called lye) is a chemical with superior grease-cutting and emulsifying power. Lye is used for unclogging drainage pipes and as a component in some soaps. Lye can also be found in some chemical solutions for soft washing.

Sodium Percarbonate

Sodium percarbonate is a more green alternative to the ordinary sodium hypochlorite used in bleaches. A soft wash solution containing sodium percarbonate is more eco-friendly, as well as tough on stains on your exterior surfaces.


Water is a vital part of the soft washing solution as it dilutes all the other chemicals to the appropriate concentration. Professionals are well trained on the different concentrations of different chemicals to mix into a solution. For soft washing to be effective, it is essential to hire qualified professionals who can safely handle all the chemicals involved.

Advantages of Soft Washing?

Soft washing uses low-pressure techniques that will save your shingles or other roofing materials that are likely to be damaged by power or pressure washing. Soft washing is one of the few cleaning techniques that will not void the warranty on your roofing. The chemicals used in the soft washing solution are the mildest of their categories and do minimal damage to your environment in the unlikely event of a runoff.

Further soft washing is the only cleaning technique that guarantees the complete extermination of all organic matter on your exterior surfaces. The soft washing solution contains special chemicals that kill all the organic matter from the roots. The solution that coats your surfaces after soft washing discourages the attachment and growth of organic matter like soil and algae. A soft wash will keep your roof free of that pesky green carpeting for quite some time.

How Does Soft Washing Work?

Soft washing applies a unique solution made of a mixture of eco-friendly chemicals that kill, break apart, and emulsion the organic dirt on your exterior surfaces using a low-pressure diaphragm pump. The pressure in soft washing generally does not exceed 500 pounds per square inch. This is important because of the delicate nature of surfaces that are categorized for soft washing.

The detergents and solutions used in soft washing need not worry you. All the chemicals in soft washing solutions are entirely biodegradable. These chemicals pose no threat to the organic life in your back and front yards because when used by professionals. Trained professionals will see to it that the chemicals do not run off to restricted areas.



Northern girl Laura is the epitome of a true entrepreneur. Laura’s spirit for adventure and passion for people blaze through House of Coco. She founded House of Coco in 2014 and has grown it in to an internationally recognised brand whilst having a lot of fun along the way. Travel is in her DNA and she is a true visionary and a global citizen.