How To Get Rid Of Green Mold On Roof Shingles

Mold stains can form on roof shingles that are in permanent shade.

How to get rid of green mold on roof shingles.

This will prevent the solution from draining in your direction. If they are severely molded you may want to give it a little longer. Well you can get zinc strips if you re concerned about stopping the algae from growing on your shingle roof. Start from the top shingle and rinse downward to prevent water seepage.

The mild chemical reaction caused by rainwater coming in contact with the zinc inhibits the growth of mold and mildew. Fill a bucket with warm water and mix in the oxygen bleach powder according to the package directions. Test a small area. Step 3 applying asphalt roofing shingles containing a copper additive in their surface granules is an option.

Dip the scrub brush into the solution and test it to see if it is effective at removing the staining. Next rinse the shingles thoroughly with a garden hose at low pressure. 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. Hose off and brush all moss loose from your roof shingles.

Stretch copper wires across the roof every 10 feet down the roof slope tacking them to the roof or nailing or tacking the wire to fascia or a solid surface on the side of the structure. 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. Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold. These stains will discolor your roof and damage the shingles over a period of time if left alone.

It is advisable to trim trees back if they re close to your roof. No pressure washers please. Spray the entire roof thoroughly. However if you re in a humid area and have a different type of roof you really can t stop it.

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