Donnie, it is applied with a brush and roller and they really try and push it here. Sometimes they use a sprayer and then brush and roll it in.
My personal opinion, it is an unnecessary thing that the roof manufacturer probably dosn't recommend.
A coating may have been applied at some time in the past and is now weathering itself off.
2011 Eagle 330RLTS with just about every option.
Dodge SRW 1 ton Cummins powered.
I was born with nothing and I still have most of it left.