Formerly only sold to siding manufacturers and professional cleaning companies. Our pro grade, concentrated cleaner is now available to homeowners. Get the results the Pros get. Your neighbors will think you hired a professional to clean your siding. Helpful hint: Use with Vinyl Renu Siding Restorer and your neighbors will think you installed brand new siding. We developed Vinyl Renu Professional Grade Cleaner Concentrate to perform under the rigors and challenges faced by professional contractors and siding manufacturers. It easily removes oxidation, green and black stains and dirt from all siding types. Also works great as a patio furniture cleaner, exterior fabric cleaner, shutter cleaner, garage door cleaner and concrete cleaner. With cleaners you get what you pay for....usually water. If you want the results of hiring a professional, use Professional Grade Renu Cleaner Concentrate. Proudly Made in the USA. TIP: Buy a Vinyl Renu siding restorer kit, get a free quart* or gallon of cleaner and restore color and luster to your faded vinyl and metal siding. Vinyl Renu will make your siding look brand new. *Amount of free cleaner depends on the size of the Vinyl Renu Kit purchased. MAKES UP TO 9 GALLONS FOR LIGHT CLEANING AND UP TO 6 GALLONS FOR MODERATE CLEANING. For severely neglected items you can make a stronger concentration of 3:1 water to cleaner.