More than likely, you are going to use a company that does house washing correctly. However, there are a ton of "mom and pop" companies that do not. There are several things we will want to know, before you start looking for a professional house washing company.
What is on your home? Do you have mold or loose dirt on your siding? If so you will want to use a house washing company that uses low pressure and a solution to kill the mold and wash of the siding gently.
How much pressure do they use? If they say they use a pressure washer and pressure wash the siding, do not use them. That means they are using pressure which isn't the best way to clean. The goal of a house wash is to gently clean and preserve the home. Using high pressure can get water in between the seems of vinyl sidings, flashing, shingles, and even window frames. This can cause even more mold growth inside the home. If a company says they use low pressure and they let the chemicals do the work. Most of the time they probably know what they are doing. Before you say yes to them, there are more questions to ask.
What solution do they use? Some will use jo-max, organic solutions, or even bleach mixed with a surficant. From our extensive research, most organic solutions are the most harmful to the plants around the house. Why? The goal of a house washing solution is to kill just the mold and leave the rest of the landscape intact. When companies designed the organic solution, they became the most powerful agent in the industry that kills mold. The side effect is distressing hardy shrubs. The right amount of sodium hypochlorite along with a surficant will do wonders to the siding and leave everything else alone. Make sure you hire someone with extensive experience.
How do they prepare the house and its surroundings? House washing services should require the home owner or move furniture and other "outdoor clothes away from the home. Also, the home owner needs to make sure all the windows are shut and the siding is structurally sound. Usually the service that comes out there will let you know if that isn't the case.
Do they have insurance? Make sure they have insurance specifically for pressure wash use on residential homes. Also, make sure they have insurance up to $1,000,000 in liability. If they don't have one of the above, ask if they are willing to change it. Sometimes it can be the insurance companies fault. Finally, ask them to have insurance company send you an insurance certificate.
What is on your home? Do you have mold or loose dirt on your siding? If so you will want to use a house washing company that uses low pressure and a solution to kill the mold and wash of the siding gently.
How much pressure do they use? If they say they use a pressure washer and pressure wash the siding, do not use them. That means they are using pressure which isn't the best way to clean. The goal of a house wash is to gently clean and preserve the home. Using high pressure can get water in between the seems of vinyl sidings, flashing, shingles, and even window frames. This can cause even more mold growth inside the home. If a company says they use low pressure and they let the chemicals do the work. Most of the time they probably know what they are doing. Before you say yes to them, there are more questions to ask.
What solution do they use? Some will use jo-max, organic solutions, or even bleach mixed with a surficant. From our extensive research, most organic solutions are the most harmful to the plants around the house. Why? The goal of a house washing solution is to kill just the mold and leave the rest of the landscape intact. When companies designed the organic solution, they became the most powerful agent in the industry that kills mold. The side effect is distressing hardy shrubs. The right amount of sodium hypochlorite along with a surficant will do wonders to the siding and leave everything else alone. Make sure you hire someone with extensive experience.
How do they prepare the house and its surroundings? House washing services should require the home owner or move furniture and other "outdoor clothes away from the home. Also, the home owner needs to make sure all the windows are shut and the siding is structurally sound. Usually the service that comes out there will let you know if that isn't the case.
Do they have insurance? Make sure they have insurance specifically for pressure wash use on residential homes. Also, make sure they have insurance up to $1,000,000 in liability. If they don't have one of the above, ask if they are willing to change it. Sometimes it can be the insurance companies fault. Finally, ask them to have insurance company send you an insurance certificate.
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