Rust Preventive Paint

The surface of every automobile, regardless of the make, model, or year, will eventually rust if it is exposed to the elements on an ongoing basis (as most vehicles are). That is, unless you utilize a rust preventive paint that is capable of shielding the metal parts of the vehicle from liquid and other elements that cause it to rust. Rust preventive paint utilizes specially designed mixtures of paint and protective coating to physically protect the surface of the vehicle from corrosive debris and harmful minerals and elements. By applying a relatively inexpensive coat of rust preventive paint to the exterior of your automobile you can save a lot of money in the long term, entirely avoiding the expense of renovating and remodeling a rusted vehicle in the future. The following paragraphs discuss the various types of rust preventive paint available on the market, as well as their typical applications and costs.

How Is Rust Preventive Paint Used
Rust preventive paint for automobiles is usually sold in aerosol spray cans, and can easily be applied to the surface of the vehicle with minimal experience and expertise. Of course, all of the preventive measures taken during normal spray painting should be utilized during the spraying process, including masks, goggles, and covering areas of the car that should not be painted with tape. Inside the aerosol can is a high performance coating specifically intended to be applied directly onto rusted or aged metal surfaces (i.e. the surface of your car, truck, or SUV).

Rust preventive paint is nonporous, which means it completely seals and protects nearly every type of surface to which it can be applied. Rust preventive paint is a highly effective anticorrosive coating that protects vehicles from corrosive contaminants such as water, chemicals, minerals and salts that are found in nearly every environment. Rust preventive paint can be applied directly to the surface of a vehicle that already has a lot of rust buildup on it, or it can be applied to a new vehicle to prevent rust buildup. It is usually sold in basic colors such as black and white, and should therefore be applied to the frame of the vehicle before an aesthetically pleasing paint job.

Popular Types of Rust Preventive Paint
Some of the most popular brands and distributors of rust preventive paint are Eastwood, POR-15, ZEP Professional, Bloxide, and KBS Coatings. Rust preventive paint can be split mainly into two types – those that are distributed in aerosol spray cans (which are much thinner fluids that can be evenly distributed over the surface of the car easily), and those that come in various sized paint buckets, which are generally more ideal for coating buildings and larger surfaces than vehicles. It is important to note that it is easier to apply rust preventive paint to a vehicle if it is in an aerosol can, so the first type mentioned above is usually the type used for automobiles.

Typical Cost of Rust Preventive Paint
Fortunately, unlike the cost of completely renovating a rusted vehicle, rust preventive paint is relatively inexpensive. The average cost ranges from $10-$30 per bottle, depending on the brand, type, and overall efficiency of the product. If you have a lot of surfaces that need to be covered in rust preventive paint, you may want to consider a complete rust prevention kit, which includes several aerosol cans and a few paint tubs for use around the house and on your vehicles. Such kits can be found for about $100-$200, with POR-15 distributing some of the most expensive and high quality rust preventive paint on the market today.



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  1. As with all paints, proper surface preparation is critical for achieving long lasting results. There are several brands that offer varying degrees of effectiveness with KBS Coatings and RustBullet being two of the brands proven to be the most effective, however KBS is clearly the most economical while offering the most color choices. Por-15 appears to have changed their formulation to focus on profits and not quality as many have noted a sharp drop in performance in direct correlation to the rise in product pricing. While Eastwood manufactures nothing...except profits thru private labeled products.