We use a 5 5 gallon system just for this reason.
Tsp to clean metal roof.
Opt for something soft to protect your roof s paint and parts.
Tsp cleaner can be used on roofs of all kinds.
Mix water and mild detergent for stubborn areas.
Tsp is available in most paint or home improvement stores.
Wet and forget is as simple as spraying your outdoor surface and forgetting it.
When mixing the tsp with bleach for roof cleaning you will want to use a pressure washer with the black soft spray chemical injector tip.
That specialize in roof cleaning.
Mixing tsp for roof cleaning.
As with all other uses of tsp cleaner it needs to be diluted usually with cup to two gallons of warm water.
Clean the mold and mildew mix 1 2 cup of tri sodium phosphate tsp in a gallon of water in a bucket.
Green algae black mold and moss begin to die off on contact.
Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
If needed increase the amount to cover a larger area while keeping the same proportion of water and tsp.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
For very heavy duty jobs use one cup tsp cleaner to three quarts warm water.
And some of them.
Use a cloth or sponge to clean.
Apply your solution with a brush.
For every part water combine 0 05 part mild dish or laundry detergent.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
Solutions range from one cup tsp and one gallon of bleach per five gallons of water to one cup tsp and 2 5 gallons each of bleach and water.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
The combination of the wind and the rain breakdown the growth and rinse your surfaces clean over time.
Easily clean moss off metal roof with wet forget.
When cleaning roofs with tsp it is essential to be very careful of the surroundings.
You ll need to dilute the tsp first just like you would for any other application.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
Diluted in water and applied often with a stiff scrub brush it can.