Interior Rust Spray | Eastwood Blog

Inside Rust Spray | Eastwood Weblog


Many occasions throughout a restoration, I’ve run into conditions the place, although I do know there are strategies that may negate rust in numerous methods, there’s all the time one space that has eluded the restorer’s greatest efforts: inside enclosed areas like body rails, windshield pillars, cross members and the like.

Generally, there are tell-tale indicators that an space is rusting from the within: it reveals by as a bubble, a number of bubbles or perforations. As a rule, nonetheless, there isn’t a outer indicators of rust forming under…till it’s too late.


Rust might be extraordinarily near perforating a floor but be fully missed, even in a top-quality restoration. Think about delivering a $60,000 frame-up restoration to a paying buyer and a month later rust bubbles are forming on the rocker panel! Now think about that undertaking is your personal. You’ve spent 1000s of hours on it over a number of years, solely to see a flaw rising earlier than your eyes in your excellent experience. If there was one thing—something—that could possibly be accomplished to stop that from taking place, you guess you’d wish to use it!

Enter Eastwood’s Internal Frame Coating spray, with its specifically designed conical nozzle on the finish of an 18″ tube applicator. (for extra specifics about what’s inside this surprise spray and the way it works, click here)This technique was designed to get the product down deep into frames and different enclosed areas, to coat the within floor towards additional rust harm. I do know for a truth it might have helped on a number of previous tasks that continued to rust from the within out. On one automobile particularly—my prized ’67 Ford Galaxie 500XL Convertible—the body continued to rust from the within till it perforated the thick body rails.


One among my present tasks, a ’56 Chevrolet 1300 1/2-ton truck, has a couple of areas that match this description and are excellent candidates for Eastwood’s Internal Frame Coating spray. Whereas nearly all of the body on these vehicles is an open design, the cross member is enclosed and can simply profit from the applying of this product. Whereas Eastwood markets their spray particularly for frames, I discover there are a lot of extra areas and functions the place it may and ought to be used. As necessary (and maybe extra so) are areas of the physique which might be enclosed, however on the similar time uncovered to rust’s excellent circumstances, resembling enclosed field corners and the windshield pillars.

Eastwood’s Inside Body Coating is formulated to each convert and encapsulate rust. It incorporates an oily movie, in addition to zinc phosphate to additional shield metallic from future corrosion. The viscosity is someplace between WD40 and 30-weight oil, that means that whereas it sticks to the realm it’s sprayed on, it additionally strikes and flows sufficient to penetrate into seams and pinch welds. As per Eastwood, it penetrates into the present corrosion, arresting it the place it begins.

In fact one other rust spray wouldn’t be a lot of story with out some technique to get it into these areas being mentioned.

That’s the place Eastwood’s particular nozzle-applicator shines. This “conical” nozzle sprays the product in a 360° sample, and resides on the finish of an 18″ tube, lengthy sufficient to succeed in into hidden areas to spray the product onto all sides inside an enclosed space.


At proper is a view into the enclosed finish of the field aspect of my ’56 Chevy Truck. The rust is well evident and can certainly proceed unabated, until one thing is completed. Attempting to use a rust product deep into this space is tough at greatest, and most of it’ll probably find yourself with little or no rust safety.

I sprayed Eastwood’s Inside Body Coating into the enclosed space utilizing the conical applicator nozzle. It went on evenly, coating it in a 360° trend. I might additionally see that there was sufficient materials emitted, of a adequate viscosity, that’s would each coat all sides inside the box-end and enter the gaps the place moisture and particles would in any other case sit and proceed the rusting course of.


Till lately, until you the place one way or the other capable of apply a rust paint with a protracted brush or applicator (which doesn’t work effectively in lots of circumstances), there was little you can do to provide these areas a measure of safety. At left is the windshield pillar on my ’56 Chevy Truck. Though I brushed a widely known rust paint onto the areas accessible when lower for welding, there the place nonetheless massive areas above and under the restore space with no safety from additional rust formation.

Once more, inserting the conical nozzle as far up into and across the windshield and roof pillars as I might, I used to be capable of spray an excellent quantity of the product into all areas. Actually this is able to be higher than leaving it because it was, uncovered to the weather and a lure for moisture. The Eastwood coating will certainly preserve that moisture and additional rust at bay.

Whereas long-term testing shall be required to see how good the rust safety shall be, there’s little doubt as to the good thing about utilizing this product, with its distinctive applicator and proprietary mix of chemical substances. Actually the advantages of an oily movie to keep at bay moisture, in addition to zinc to bind rust, have been recognized for a very long time. I’ll positively be utilizing Eastwood’s Inside Body Coating on all my private and undertaking autos from right here on in. It’s simply one other measure of safety towards rust.

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