I have had the same poor results with poo15. I had a brochure from a car show that makes this stuff look like the ultimate do-all end-all frame paint. So, when I restored my frame, that is what I bought. In 2023, the company will celebrate its 100th year as a coating manufacturer in the metro New York area. It remains proud to continue the traditions laid out by its founders and provide world-class products for its customers.

AUTOMOTIVE: suspension – chassis – doors – trunk areas – engine & fuel tanks – rusty frames – floor pans – corroded battery tray. The POR15 Fuel Tank Sealer Kit contains everything you need to repair and restore any small fuel tank. x 946ml Cleaner degreaser, 1 x 946ml Metal prep, 1x 236ml POR-15 Petrol tank sealer that will seal up to 4 1/2 US Gallon tank / 3 3/4 UK Gallon (17L) POR-15 Rust Preventive Coating is a high-performance coating designed to paint directly on prepped rusted or seasoned metal surfaces to stop rust permanently. POR-15 Rust Preventive Coating is non-porous and seals and protects many surfaces from water, chemicals, salt, and other corrosive contaminants and is able to be painted over rust.In 2016, the wood flooring side of the business was sold, along with the Absolute Coatings brand name. The company was renamed Paint Over Rust Products, LLC (P.O.R. Products) to reflect its focus on specialty metal coatings for heavy industrial equipment, agricultural machines, and automotive restorations. The company continues to adapt to changing markets and recently launched its Auto Refinish division, focusing on clear coats and primers for the automotive refinish market.

Best analogy I can think of is putting a waterproof, impermeable bandage over an infected cut. Looks good from the outside but who knows what's going on underneath.

Cleaner Degreaser - is ideal as the first step to renovating corroded metal as it removes all traces of dirt, grease wax and other contaminants which leaves the surface ready for painting or rust treatment. It can also be diluted in hot water to effectively clean out the inside of petrol or oil tanks. Although highly effective on metal components, POR15 cleaner degreaser can also be used to clean vinyl, canvas and nylon. and if not protected will wear off in a few years time if you do not coat it with a Top Coat Paint.