How To Safely Pressure Wash A Metal Roof

Pressure washing is very effective but may be best for metal or concrete roofs.

How to safely pressure wash a metal roof.

When you clean a metal roof it s a lot different than cleaning tile or asphalt roof. Once each panel is clean rinse it immediately with clean water to prevent streaks and film. There is a chance that the pressurized water could damage your shingles. Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.

We specialize in providing painted galvalume and aluminum for the architecturally driven metal panel industry. Therefore using pressure washing water or high pressure machines on a metal roof is a bad idea. Scrub problem areas with your detergent solution. Sheffield metals is a leader in the distribution of coated and bare metal products as well as engineered standing seam metal roof ssmr wall systems.

Apply a storebought or diy cleaning. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. While roof cleaning can take up to 3 hours on average it may take even longer when it comes to cleaning your metal roof. You can also simply wash it with detergent depending on how accessible the roof is and what its pitch is.

Instead spray down the roof with a cleaner that kills mold and moss or apply a 50 50 mixture of bleach and water in a pump sprayer and let the moss die on its own. Safe effective. Homeowners need only a water hose with enough pressure to reach all areas of the roof properly and a method of dispersing detergent and soap to the roof usually by attaching a soap receptacle on the water hose line. Scrub from the bottom of the panel upward in a left to right back and forth fashion.

Washing a roof is actually a fairly simple process. Don t use a pressure washer on the roof. Make sure to build up pressure. As you approach this challenge it is important for you to trust the process and be patient.

Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water. How to clean various types of metal roofs. Redihan s roof wash ideal for roof cleaning and removing stains from moss mildew lichen or black algae on roofing shingles including asphalt metal tile wood shake rubber and new composite materials. Sheffield metals has the ability to meet a wide array of needs with more than.

When you clean metal you can use light pressure if necessary and you can use a hot water pressure washer. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.