How To Wash A Roof

Cleaning roofs is slippery work.

How to wash a roof.

Lightly scrub with a soft bristle brush. Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels. Before applying the cleaner spray the roof with water to cool it down. 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. To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons. With most good cleaners that s all you need to do. It will rinse off the next time it rains.

This is the best way to clean a roof if you have asphalt shingles. Before you begin it s important to repair loose shingles and flashings to minimize roof damage. The day you perform deep cleaning on the shingles should be cool and overcast. This is because the water comes out too forcefully and can damage the material.

Use the sprayer to saturate a strip 3 feet high x 10 feet wide. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. That way you always stand on dry surface and reduce the chance of slipping. Sunlight and warm weather will ensure the cleaning solution dries too fast to be of any use.

Of laundry strength liquid chlorine bleach and water. Then spray the cleaner onto the shingles photo 1. Wait about 20 minutes then rinse. Most contractors don t recommend pressure washing or power washing a roof.

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. 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. Start at the lower portion of the roof moving up as you clean each lower section. That ll prevent the cleaner from drying out too quickly.