Roof cleaning powered by oxygen release from sodium percarbonate solid hydrogen peroxide often called oxygen bleach although it contains no bleach.
Sodium percarbonate roof cleaner.
Wearing gloves spread the sodium percarbonate by hand over the whole roof.
Sodium percarbonate is way to weak for roofs.
You are just spinning your wheels trying to get the job done.
But sodium hydroxide is a fine product to use for cleaning tile concrete or slate roof materials.
Roughly a handful 50g will cover 1sqm.
Oxygen powered roof cleaners environmentally friendly non toxic oxygen.
Sodium percarbonate is great for applications with hot water such as mixed into the soap solution in a carpet cleaning machine or mixed with hot water to mop the floor.
You should know that sodium hypochlorite is the chemical name for bleach.
The problem with sodium hydroxide is that if it is not completely removed from the surface even after it has dried it can be activated again and once wet continues its normal chemical reaction on petroleum based products.
Most products come with a chart that shows how much to use.
Sodium percarbonate is really easy to use for cleaning stain removal and laundry.
After about 15 minutes the roof will turn white as the water reacts with the sodium percarbonate.
Sometimes there is a white residue left which is the by product of the water and oxygen reaction.
To clean a roof without destroying the integrity of the shingles you need sh and a surfactant with no pressure.
Sodium hypochlorite sodium percarbonate or sodium hydroxide for roof cleaning by linda chambers soap warehouse from the may 2012 eclean the best method to clean roof stains caused by algae lichens moss.