Trisodium phosphate tsp corroded garage door parts rust patches on vehicles and iron deposits in pipes or wells that supply water to lawn sprinklers are common culprits behind rust.
Trisodium phosphate on rusted roof.
A power washer may remove more of the rust for you.
For stubborn metal roof rust that somehow survives a power blasting try trisodium phosphate tsp.
For stubborn metal roof rust that somehow survives a power blasting try trisodium phosphate tsp.
Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water.
You can probably rent a power washer or sand blaster but using either of them on your roof can be dangerous work and you may not get at all the metal roof rust that needs to be removed.
You could rent a power washer or sand blaster but using either of them on your roof tends to be dangerous work and you may not get at all the metal roof rust that needs to be removed.
Alternatively you can also call a roofing professional to remove the rust for you if the task proves itself to be difficult.
Tsp in a roof cleaning solution has many benefits and should never be skipped here are just a few.
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.
Information about the use of tsp or trisodium phosphate in your roof cleaning solution from peerless roof cleaning tampa fl.
Wait for the roof to dry completely before proceeding.