How To Safely Pressure Wash A Metal Roof

The high powered water jets can damage shingles and remove the shingle granules that protect the roof.

How to safely pressure wash a metal roof. Safe effective. When you clean a metal roof it s a lot different than cleaning tile or asphalt roof. As an oxygen based cleaner the product only has an active life of 4 6 short hours before this product biodegrades making it by far the safest product in the roof. As you approach this challenge it is important for you to trust the process and be patient.

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. How to clean various types of metal roofs. You can also simply wash it with detergent depending on how accessible the roof is and what its pitch is. We specialize in providing painted galvalume and aluminum for the architecturally driven metal panel industry.

Soak your cloth or sponge in the water detergent mixture. Scrub problem areas with your detergent solution. 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. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.

Scrub from the bottom of the panel upward in a left to right back and forth fashion. 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. Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean. Washing a roof is actually a fairly simple process.

Pressure washing is very effective but may be best for metal or concrete roofs. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water. When you clean metal you can use light pressure if necessary and you can use a hot water pressure washer. There is a chance that the pressurized water could damage your shingles.

Don t use a pressure washer on the roof. Once each panel is clean rinse it immediately with clean water to prevent streaks and film. Apply a storebought or diy cleaning. While roof cleaning can take up to 3 hours on average it may take even longer when it comes to cleaning your metal roof.

Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it. Therefore using pressure washing water or high pressure machines on a metal roof is a bad idea.