Frequently asked questions

The frequency of cleaning outdoor surfaces depends on various factors, including the amount of trees overhanging your lot, how close you are to water, and how much the sun hits your surfaces. Stain Erasers recommends annual or semi-annual maintenance (depending on climate) to keep your outdoor surfaces clean and stain-free.

Stain Erasers' cleaning solutions are eco-friendly, non-toxic, and biodegradable. We take every precaution possible to minimize any damage to the surrounding vegetation.

We recommend that you keep your pets inside while the work is being completed and for a few hours afterwards to avoid any contact with the cleaning solutions. Once the solution has dried it is safe for your pets to walk on. We recommend a minimum of 3 hours from the time we apply the cleaning solution before walking on any surface.

Yes, we require access to your water supply on the outside of the house to complete the cleaning service.

You do not need to be home when the work is being completed. We just ask that you have your windows shut, and your water supply on to the outside of your house when we are working on your property.

Yes, we offer outdoor cleaning services for both residential and commercial properties.

Yes, depending on the circumstances. Typically, we work between 7am–6pm.

Yes, our workers are fully trained and insured, and we would be glad to provide proof of insurance upon request.

Depending on the project, we can give you a price estimate over the phone or by email. For some projects, an on-site inspection may be required.

You can call us at (866) 357-WASH or go online and request a free quote at stainerasers.com/free-quote.

Your quote is valid for 30 days from the date it was provided.

We ask that all payments be made within 3 days of the completion of the work, unless otherwise discussed by the sales representative giving the estimate.

Yes, our product is non-toxic and eco-friendly, making it safe for the environment, pets, and people.

Our product can provide protection against future growth for over 1 year. However, the frequency of application may vary depending on the climate and conditions of your specific location. We recommend an annual application for best results in Northern climates, and bi-annual in Southern climates.

Yes, we offer a satisfaction guarantee for our service. If you are not satisfied with the results, we will do everything we can to make it right, or your money back.

The cost of our product varies depending on the size of the area being treated and other factors. Please contact us for a free estimate.

The length of an appointment varies depending on the size and elevation of the area being treated. On average, it takes 1 hour to perform our service for an 1,800 sq. ft. home or business. However, our technicians will give you an estimated timeframe when scheduling the application.

We accept various forms of payment, including cash, check, and credit/debit cards.

In Northern climates, we typically work from April–November as the temperature needs to be above 40 degrees during the application and at least 3 hours after the application. In Southern climates, we work year-round.

The dark stains on your roof are usually caused by algae, mold, or mildew growth. These organisms can cause your roof to deteriorate prematurely. Removing the buildup will improve the life of your roof. Stain Erasers removes stains and prevents future growth without bleach or pesticides.

Yes. However, once you paint or stain over the surface our eco-friendly cleaning solution will no longer provide any future protection against mold, mildew, algae, moss, and fungus.

Our product is a non-toxic and eco-friendly solution that removes and prevents the growth of mold, moss, algae, and lichen on various surfaces. The solution works by breaking down the organic matter that mold, moss, algae, and lichen feed on, thus preventing their growth.

Our process takes up to 120 days to fully work, but you should begin to observe results within 2 to 4 weeks, depending on the weather.

No, our product is gentle and non-invasive, and will not damage shingles or other surfaces.