One is the guy on the roof spraying cleaning the roof and the other ones job is to spray everything and anything that could get over sprayed with the roof cleaner.
Sodium percarbonate roof cleaning recipe.
But sodium hydroxide is a fine product to use for cleaning tile concrete or slate roof materials.
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.
Cleaning is only effective if you scrub the solution while it s still moist.
Oxygen cleaner recipe this is a version of a homemade clothes stain remover that uses hydrogen peroxide in laundry emergencies to pull up ground in dirt and sweat from shirts and pants.
I then transfer the solution to a garden pump sprayer to apply it to the deck surface.
Most products come with a chart that shows how much to use.
All the black dead stuff just starts foaming and boiling out on verticles good stuff but hey be careful if ya use the borax as it is of course a toxin and can be dangerous to plants insects animals and humans.
Sodium percarbonate is really easy to use for cleaning stain removal and laundry.
So you would wet down all plants and then rinse them again once you re done cleaning the roof.
Sodium percarbonate is good for cleaning decks and fences.
You are just spinning your wheels trying to get the job done.
Oxygen bleach cleaning tips and formulas i ve went up to about 12 oz per gal.
Along with upwards of a cup each of the tsp and borax.
We clean roofs all day long.
Don t allow the solution to dry on the deck surface.
For larger areas use the ratio of 1 2 cup of sodium percarbonate for every quart of water.
To clean a roof without destroying the integrity of the shingles you need sh and a surfactant with no pressure.
Each quart of sodium percarbonate and water solution will clean about 16 square feet of deck surface.
I like to mix up a gallon or so at a time in a 5 gallon utility pail.
It can be made in small batches for simple stains or in a large bucket to brighten up deodorize and thoroughly clean big areas.
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.