Another way to clean shingles with bleach is to combine 1 gallon of water with 1 quart bleach and 1 4 cup trisodium phosphate according to today s homeowner.
Roof cleaning mix ratios.
If it s running too much just add more soap.
Again depending on climate the ratio may vary.
That s with the realization that 6 00 sodium hypochlorite is used and this is equivalent to 5 80 available chlorine.
As far as coverage per gallon that all depends on the roof.
Typically this is ajax and i ll dump 2 big containers per 50 gallons.
We find roof mix does a great job with pre treat and makes things pop.
Available chlorine is the amount of chlorine available for sterilization or moss killing in this case.
Follow the directions of the label of the oxygen bleach for proper mixing instructions.
On a standard shingle roof here i can do a 2000 sq ft house with 50 gallons of mix easy.
Apply the oxalic scrub and the rust comes right up.
So today i did a test old mix first i waited and waited 15 20min no result applied to pavers.
I had 40gal of old mix in my tank from the 6th of this month it was mixed to 3 at the time.
We only use oxalic when there is rust that needs cleaning.
Roof cleaning requires a little more skill set than house washing because the application is so hot it us much easier to kill plants and things of that nature.
You can adjust the amount of green wash bleach and water for your optimal cleaning solution.
It also lets them see several examples of good and bad mix resu.
It is very important to rinse the shingles before the bleach solution dries notes the asphalt roofing manufacturers association.
Personally i go very strong and always apply 50 50.
We believe the starting ratio is 8oz for every gallon.
As always our chemical dilutions start out at 1 ounce per gallon of mixture and you can adjust up to 4 ounces per gallon of mixture for the strongest cleaning ratio.
Same mix now added 2oz of leslie s fresh n clear now it started working with in minutes after applied to pavers and their is no he.
2 2 gallons of normal 6 bleach mixed with 0 8 gallons of water will give you 42 000 ppm.
As for the soap i ll get any concentrated dish soap.