How To Clean Algae Off Metal Roof

No pressure washers please.

How to clean algae off metal roof.

That places the three water jets at the correct angle to blast off the dead algae colonies. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done. Never use a. If you have algae that s leaving dark stains on your roof clean it easily with wet forget hose end.

Put on rubber gloves and a breathing mask before proceeding you so you can. Scrub problem areas with your detergent solution. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it. Cleaning step 2 make and apply the bleach solution.

Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean. Scrub from the bottom of the panel upward in a left to right back and forth fashion. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. Step 4 take precautions.

Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq. Cleaning algae stains 4 gallons of water 1 gallon of bleach 1 cup of tsp tri sodium phosphate or a phosphate free substitution. Soak your cloth or sponge in the water detergent mixture. To remove difficult algae spots use only a wet cloth sponge or low pressure washer.

Roof cleaning with wet forget is easy as you can apply it with your feet firmly planted on the ground. The jet tip nozzle will reach surfaces up to 30 so you don t need to use a ladder to get onto your roof. Drag the rinsing tool in a forward and back motion as if you re vacuuming. To remove algae and moss growth from the roof dissolve one cup of ammonia for every 5 gallons of water used and work from the top to the bottom.

There are different ways to clean moss and algae off of a roof. You can also use a pressure washer but that may break sensitive shingles. Once each panel is clean rinse it immediately with clean water to prevent streaks and film. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.