The Roof Cleaning Institute Of America Training & Certification Forum
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We just picked up a used Rol Air Air Compressor
Ask any roofer, they are just about the very best compressor you can buy.
They make the Rigids look like a Toy
They can be had for 899.00 new, and can often be found used. There is NOTHING "wrong" with a used air compressor guys. As long as it has been taken care of, they can last a LONG time. We paid 450.00 used for this, a little high, but it was mint, and for sale nearby when our Rigid broke, and went Rigid.
Please, do not let the "high price' of an air compressor keep you from the advantages of an air diapraghm roof cleaning pump ?  it is no "sin" to buy a used air compressor.
TRY to find a good used Rol Air, if possible ?
Read -

The year was 1959. Our goal was simple: Produce the finest compressors known to mankind. Decades later, the goal remains the same. As a third-generation manufacturer known for quality and craftsmanship, Rolair compressors are built in the heart of Wisconsin exclusively for professional contractors. They appreciate our attention to detail, rugged performance and wide variety of options. But above all, they appreciate that our sole focus is compressors - nothing else.

So if you're looking for a "specialize-in-nothing" company concerned with nail guns, power tools and sales gimmicks, go to a box house, my friend. If, on the other hand, you're looking to partner with a company built on decades of industry knowledge, experience and unparalleled customer service, welcome to Rolair.