How To Clean Mold Off Your Roof

That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.

How to clean mold off your roof.

Wait about 20 minutes then rinse. 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 ll prevent the cleaner from drying out too quickly. Before applying the cleaner spray the roof with water to cool it down.

Never use a pressure washer to wash or rinse shingles. If the surface is too porous to remove mold completely such as in ceiling tiles you may have to replace it. Then spray the cleaner onto the shingles photo 1. To clean mold off a roof start by putting on rubber gloves a breathing mask and goggles to protect yourself from the harsh cleaning chemicals.

The day you perform deep cleaning on the shingles should be cool and overcast. Step 1 choose a cool and overcast day. Sunlight and warm weather will ensure the cleaning solution dries too fast to be of any use. Scrub mold off hard surfaces such as window sills and tile with detergent and water and dry completely with a rag.

Before you begin it s important to repair loose shingles and flashings to minimize roof damage. Step 1 protect your plants and lawn. Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle. Then use a long handled soft bristle scrub brush to remove the moss from the roof scrubbing from the top down to avoid lifting.

To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather. Adding some tri sodium phosphate tsp will help clean the roof at the same time. Step 3 let the solution sit for 15 minutes then rinse it off with a hose. If you have a consistent problem with mold growth on your roof consult a roofing professional.

For more porous surfaces like drywall just use a rag so you don t damage the surface with more abrasive cleaners. The concentrated jet will scrape off the small pebbles on top of the shingles and reduce their water repellency which will only make your mold situation worse.