How To Get Rid Of Green Mold On Roof Shingles

Start on lowest row of shingles and work your way backwards to the upper part of the roof.

How to get rid of green mold on roof shingles.

Test a small area. The mild chemical reaction caused by rainwater coming in contact with the zinc inhibits the growth of mold and mildew. Spray the entire roof thoroughly. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done.

Dip the scrub brush into the solution and test it to see if it is effective at removing the staining. No pressure washers please. Step 3 applying asphalt roofing shingles containing a copper additive in their surface granules is an option. Installing zinc strips under a row of shingles near the ridge of the roof will prevent mildew from forming.

If they are severely molded you may want to give it a little longer. It is advisable to trim trees back if they re close to your roof. Mold stains can form on roof shingles that are in permanent shade. Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold.

This will prevent the solution from draining in your direction. Hose off and brush all moss loose from your roof shingles. Start from the top shingle and rinse downward to prevent water seepage. These stains will discolor your roof and damage the shingles over a period of time if left alone.

The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. However if you re in a humid area and have a different type of roof you really can t stop it. Allow the solution to soak into the shingles for at least 15 minutes. Next rinse the shingles thoroughly with a garden hose at low pressure.

Well you can get zinc strips if you re concerned about stopping the algae from growing on your shingle roof.