3-Step Guide To Removing The Moss On Your Shingled Roof

After a particularly wet spring, you may notice that you have moss growing on your roof. Not only can this growth detract from the beauty of your home, it can also cause serious damage to your roof. If you want to try removing the moss yourself using natural ingredients, use the three-step guide below.

Step 1:  Remove Excess Moss Using A Pressure Washer

The first step involves removing the excess moss using a pressure washer. The pressurized water not only gets rid of the thick, top layer of moss but also exposes the moss's roots to make the next two steps more effective.

When using a pressure washer on your roof, however, be careful not to cause further damage if the shingles have started to break apart because of the moss. Set the pressure dial on the wand to medium, and hold it at a sharp angle that is almost parallel to the roof. This targets the moss itself, decreasing the amount of direct pressure on the shingles.

Once you have pressure washed the mossy areas of your roof, use a garden hose with a nozzle attachment to wash away any loose moss. Then, go on to the next step.

Step 2:  Treat The Roof With A Homemade Solution

For this step, you will be treating the roof with a homemade solution of castile soap, borax and vinegar. For application, use a bottle attachment for your garden hose.

Ideally, this step should be done when the roof has the most sunlight, as this helps in the absorption of the ingredients. The sun also helps dry out and kill the moss.

The castile soap coats the moss, smothering it and helping the vinegar and borax to cling to the roots. The vinegar burns the roots from the inside, and the borax pulls the moisture out of the moss, drying it up.

In the spray bottle attachment, add a half of a cup of castile soap, a cup of vinegar and a cup of borax. Set the nozzle on a fine mist, and drench the moss and surrounding areas on your roof to make sure you treat any roots you do not see.

Leave the treatment on for a couple of hours. Then, go on to the next step.

Step 3:  Rinse With Water Infused With Tea Tree Oil

After allowing the treatment to soak into the moss for a couple of hours, it is time to rinse it off. For this, use water infused with tea tree oil, an antifungal that can help keep new mold from taking root.

When handling the tea tree oil, you may want to wear gloves, especially if you have never handled it before. While it is generally safe for the skin, the oil could irritate you if you are allergic to it. You may also want to wear a mask while you are spraying the infusion to keep from inhaling the oil, as well as goggles to keep it from getting into your eyes.

To make the infusion, add two quarts of water and three tablespoons of the oil to a bucket. Let it sit for about an hour, stirring occasionally. This allows the oil to dissipate in the water.

To use, fill your sprayer attachment with the water, and generously spray your roof. Refill the bottle as needed until the entire area has been rinsed. Do not rinse with clear water. Rather, let the tea tree oil remain so it can act as a protective barrier on your roof.

Using the above steps twice a year should keep your roof free from moss, minimizing the damage to your shingles. However, if you notice your shingles have started to crumble and deteriorate, you may want to contact a roofing company about having your roof repaired.


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