How To Clean Algae Off Vinyl Siding

Vinyl siding is one of the most popular siding choices for homes of all shapes and sizes. While there’s certainly merit in choosing stone, brick, stucco, and other materials, the reality is that vinyl makes more sense in many situations. 

If exterior areas of your home are in the shade and hold moisture, they can develop unsightly green algae. The mildew and algae are feeding on sugars, dust, dirt or other things that are attached to the siding. Many people are unaware that trees, both evergreen and deciduous, often broadcast ultrafine aerosols of sugars at different times of years.

algae on vinyl siding

To keep vinyl siding looking its best, it should be washed periodically to remove the mold, mildew, dirt, and chalky oxidation that collects on the surface. You should get your house washed every two years. Some lighter colors of siding that are in the shade a lot may require washing every year.

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Normal cleaning with laundry or dishwashing detergent can remove new algae formation, but it’s necessary to use a stronger cleaner and method of cleaning for older algae. Pressure washing can remove dirt and grime from siding, or you can combine pressure washing with the use of a cleaning agent.

Far too often, untrained and inexperienced people rent a pressure washer for their siding cleaning needs. When pressure washing is done improperly, they often find that they caused far more damage than was worth the effort. Using the wrong pressure setting, method, or cleaning agent can result in damage to the siding and leaks. The water that’s ejected from the tip of the pressure washer wand can be driven into cracks and crevices where water is not supposed to go. The intense water stream can and will erode the lighter-colored spring wood in your wood siding, causing it to look older than it actually is. It’s best to check your manufacturer’s recommendations and warranty information before going this route. They should provide you with some tips or things to avoid. You should never spray water up at the siding, or you may force water underneath the siding and cause damage. Wear safety glasses or another form of eye protection when working with a pressure washer.

It is highly recommended that you hire a professional pressure washing contractor for help. When you hire professionals to clean the exterior of your home, you do not need to worry about any of the above mentioned issues. All you need to do is sit back and relax while your residence is restored to its best possible condition. You and your family are guaranteed to be complete satisfied with the results. You will always know who to trust with your future siding cleaning projects.