The best way to clean a roof is to use a roof cleaning chemical and let it sit for awhile.
How to spray roof from ground.
The applicator attached to my garden hose and from my ladder at the gutter i was able to spray the roof qse cleaner to the tip of the steepest roof ridge.
Should i just stop dreaming and get a long extension ladder to get up there.
Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq.
Ask ten different roof cleaning contractors how they spray a roof and you will probably get ten different answers.
My roof is really steep so steep i wasn t going to try to climb the roof to clean it.
Is there a better way.
That was 15 feet up.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
The type of airless paint spray machine you should be considering is an airless pump that will siphon the paint directly from the paint cans on the ground so the airless is left on the ground and enough airless paint spray hose should be fitted to the airless machine to enable the person spray painting to access all areas on the roof.
For every part water combine 0 05 part mild dish or laundry detergent.
It will rinse off the next time it rains.
Will any of these work.
Before applying the cleaner spray the roof with water to cool it down.
And none are necessarily more right or wrong than the other.
Cleaning roofs safely from the ground.
Mix water and mild detergent for stubborn areas.
Just spray it on and leave it.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
I mix up my cleaner in bug sprayer container and spray it all over the roof.
Instead i used the professional applicator.
This is why roof coatings are designed for flat or low slope roofing systems less than 14 degrees slope angle.
The most common flat or low slope roofing systems include.
That ll prevent the cleaner from drying out too quickly.
Here s how i do it.
Top to bottom side to side from the ladder from the ground only one application two applications two applications with a spot follow up and on and on the list goes.