How Do You Clean Asphalt Roof Shingles

Cleaning asphalt shingles is an important part of protecting your roof.

How do you clean asphalt roof shingles.

Allow the solution to soak into the shingles for at least 15 minutes. Spray the solution over the entire surface of the roof and let it sit until stains begin to fade and become brownish. Next rinse the shingles thoroughly with a garden hose at low pressure. Start from the top shingle and rinse downward to prevent water seepage.

If they are severely molded you may want to give it a little longer. Wash the solution off the roof with your garden hose fitted with the sprayer. Every wonder what causes those ugly black streaks and stains on your roof. Your best method to rinse is to use a good spray nozzle with a wide fan spray pattern but still with some force behind it.

You will be able to rinse away the moss algae and pollen. Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water. To stay safe suit up in long sleeves pants and safety goggles. Mix the hot water bleach and detergent and pour into the garden sprayer.

The day you perform deep cleaning on the shingles should be cool and overcast. A pressure washer can eradicate the moss from the deep crevices and prevent it from returning next season. Pour the mixture into the garden sprayer. Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.

Step 1 choose a cool and overcast day. For large expanses of an asphalt shingled roof use a long handled scrub brush made for cleaning gutters and roofs. Sunlight and warm weather will ensure the cleaning solution dries too fast to be of any use. Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.

The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water. You don t want to scrub with a brush on your shingles as you are likely to rub off granules. Mix the hot water bleach and detergent in the bucket until the soap granules dissolve. Video on how to clean softwash an asphalt shingle roof including where to find.

Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.