You ll need to dilute the tsp first just like you would for any other application.
Tsp roof cleaning.
Warm water for heavy duty cleaning to 1 cup tsp to 3 quarts warm water for ridiculously heavy duty cleaning source the savogran company.
This cleaning needs to be done with extreme care as the phosphates will damage or kill plants around your house if it comes in contact with them.
Roof cleaning using chemicals like chlorine bleach and tsp trisodium phosphate as a cheap roof cleaning spray to make your shingles look new again is not advisable.
Diluted in water and applied often with a stiff scrub brush it can remove.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
Borax just provides a little longer lasting protection for the roof from algae re growth that is all.
For mildew killing household bleach is added to the tsp water mixture.
In it gaf recommends cleaning the roof with a special mixture of 4 gallons of water with 1 gallon of bleach and 1 cup of tsp tri sodium phosphate or how about the asphalt roofing manufacturer s association.
Mix in 3 1 2 cups of all purpose chlorine bleach and 1 2 cup of trisodium phosphate.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
Thickens the solution allowing much more dwell time on the roof surface allowing for the use of weaker bleach ratio s.
Add an ounce of powdered laundry detergent if the moss covered area you re cleaning is especially dirty.
Tsp can be used to clean roofs of all types.
799 wash n prep roof cleaner is a concentrated liquid tsp substitute product specifically designed to clean roof surfaces prior to applying coatings.
Use to properly prepare metal asphalt concrete spray polyurethane foam tpo pvc and in general cleaning of exterior surfaces.
Usually tsp is diluted by adding a half cup of it to almost two gallons of warm water.
Tsp in a roof cleaning solution has many benefits and should never be skipped here are just a few.
When cleaning roofs with tsp it is essential to be very careful of the surroundings.
One can clean a roof with simply water and chlorine w o any tsp or borax.
As with all other uses of tsp cleaner it needs to be diluted usually with cup to two gallons of warm water.
Tsp cleaner can be used on roofs of all kinds.
And for those that do not use tsp just water and chlorine they can add a little borax to the mix if they like.
For very heavy duty jobs use one cup tsp cleaner to three quarts warm water.
1 2 cup tsp to 2 gal.
