Cool seal elastomeric roof coating spray polyurethane foam spf.
How to spray roof from ground.
Even so you will always need to mount the roof later on in order to remove the dead moss.
Instead i used the professional applicator.
Then spray the cleaner onto the shingles photo 1.
If you re hiring a professional.
Ask ten different roof cleaning contractors how they spray a roof and you will probably get ten different answers.
Before applying the cleaner spray the roof with water to cool it down.
That was 15 feet up.
That ll prevent the cleaner from drying out too quickly.
But of course if the roof is really bad i may have to walk the roof with a power washer but set at a very low pressure about 400 psi about 12 inches away.
Liquid moss killers cover the roof more evenly than dry powders and they let you stay on the ground for the application.
The most common flat or low slope roofing systems include.
But go slowly and use.
My roof is really steep so steep i wasn t going to try to climb the roof to clean it.
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.
Gaf roof mate top coat 5 gal.
White acrylic reflective elastomeric roof coating 15 year limited warranty model 890327920 view the roof coatings 119 00 pail 119 00 pail.
This can be done either while walking the roof or some hi tech equipment i have i can actually spray it from the ground without ever getting on the roof.
Wait about 20 minutes then rinse.
This is why roof coatings are designed for flat or low slope roofing systems less than 14 degrees slope angle.
Spray on roof coatings are applied as a liquid and dry naturally over 8 to 24 hours depending on the weather conditions.
And none are necessarily more right or wrong than the other.