How To Wash A Roof

Use the sprayer to saturate a strip 3 feet high x 10 feet wide.

How to wash a roof.

It will rinse off the next time it rains. Most contractors don t recommend pressure washing or power washing a roof. Spray the cleaner on a section of roof and let it sit for about 15 minutes. Then spray the cleaner onto the shingles photo 1.

Lightly scrub with a soft bristle brush. The day you perform deep cleaning on the shingles should be cool and overcast. In addition choose a day with little wind so that when you spray the solution it stays on your roof 1 x research sourcestep 2 perform maintenance on your roof. That way you always stand on dry surface and reduce the chance of slipping.

Before you begin it s important to repair loose shingles and flashings to minimize roof damage. This is the best way to clean a roof if you have asphalt shingles. Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels. This is because the water comes out too forcefully and can damage the material.

The best way to clean a roof is to use a roof cleaning chemical and let it sit for awhile. Of laundry strength liquid chlorine bleach and water. Just spray it on and leave it. Step 1 choose a cool and overcast day.

When you re ready to get started spray your roof using a garden hose with a spray nozzle attachment starting at the top of the roof and blasting downward so the dirty water runs off the sides. Wait about 20 minutes then rinse. To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons. For any of these homemade options you ll want to wet down the roof with plain water first then apply the cleanser and let it sit for 20 to 45 minutes.

That ll prevent the cleaner from drying out too quickly. With most good cleaners that s all you need to do. Before applying the cleaner spray the roof with water to cool it down. Start at the lower portion of the roof moving up as you clean each lower section.