Got acid on my roof.
Im an idiot. I mixed up a batch of commercial grade ac condensor cleaner and climbed up the ladder with the spray bottle and hose in one hand. When I reached the top I set the spray bottle on the ...
Forum Discussion
Charlie D. wrote:
I was under the impression that coil cleaner is a caustic based cleaner. I know several AC guys who stopped using it because any residual will eat away the aluminum. Takes a lot of water to remove all of it. The no use Dawn in a soapy mixture to spray and let it sit before rinsing.
Its caustic for a reason. Aluminum and copper both develop airflow impeding corrosion on the fins. You could take a brush to it but you can only go so deep. Granted, yes, one must be certain that all of the product is washed away. Dawn is great for "gunk" but to get a good transfer of energy you want nice shiny aluminum.
Most hvac companies are pretty lazy.. the show up with a spray bottle and use your hose to wash it away. Cover never comes off the unit and they never do the evaporator.. again, lazy.
I found my evaporator is caked with dust. I dont see any corrosion so I'll just be using a brush on a vacuum hose.
Do I guess no one has concerns about a new product reacting with former unknown product. I guess I will use the 2 part dicor.
To answer the question about the existing rubber roof condition.. it has some surface cracks.. actually many surface cracks.. I see why the former owner did the coating.
