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Rubberized Undercoating Aerosol 18oz is rated 4.5 out of 5 by 20.
Rated 5 out of 5 by from Great Stuff I think it is amazing I used it on a metal roof to fill holes and leaks it worked perfectly. I did clean with a wire brush and cleanser first and it adhere to the roof quite well. I love the stuff and the price was great for the amount of sealer you get. I bought 3 cans only used 1 but i am buying more just to have around the house.
Date published: 2015-03-19
Rated 5 out of 5 by from GOOD STUFF !! I purchased this product to undercoat a Jeep Scrambler that I am restoring, I bought 6 cans #1 because the product was on sale, #2 because I thought it would take at least four cans to do the job. It only required 3 cans, and went on very smooth and even. I will use the other three cans on another jeep of mine.
Date published: 2015-02-06
Rated 2 out of 5 by from Didn,t hold on Sprayed this on top of rust encapsulator on frame of a 2008 F550 and it came off within a year. Encapsulator stayed on and looks fine. The undercoat was put on about a month after the encapsulator and the truck hadn't been on the road yet to pick up any dirt on the frame. I use many of the Eastwood products and paid the extra cost of over the counter products due to the results I've had with them.
Date published: 2012-04-01
Rated 4 out of 5 by from Professional look I used this product on a 66 t-bird restoration project, trying to match some factory undercoating. It came close, but not exact. (the fluff look probably only comes from a professional spraying) I plan to use on the remaining undercarraige. It's specs appeared to be of high quality and am hoping it lasts for years to come.
Date published: 2013-03-18
Rated 5 out of 5 by from Excellent Product This undercoating went on a little rough but dried to a very nice texture. It is superior to the asphalt based products I have used in the past. It is a tougher product that doesn't scrape off as easily as regular undercoating. It has only bee on fro a month so I'll see how wears during the winter.
Date published: 2013-09-11
Rated 4 out of 5 by from Works Good for Wheelwells Worked good for the price. I used it to spruce up wheelwell while doing quarter panel replace. Spray nozzle plugging is a potential issue. I didn't have that issue because I blew the nozzle out with compressed air between uses. If spray on thick or in high humidity, takes awhile to dry.
Date published: 2012-06-12
Rated 4 out of 5 by from Works as described I bought this to say myself some time and money. Product goes on very easy and gets into the hard to reach areas, the only problem I had was the amount of coverage seems to be less than advertised on can. But maybe again I may have put it on to thick.
Date published: 2015-03-02
Rated 5 out of 5 by from great product the product is the best on the market !! the price is right !! the finish very professional, Eastwood is a brand you can trust !! looking for others products to finish my restoration !! Very practical videos about others products !!
Date published: 2015-01-17
  • 2015-04-27T08:59CST
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Rubberized Undercoating Aerosol 18oz

Item #16007Z

Protects your car's underside
against rust; reduces road noise


Durable Rubberized Undercoating protects your car's underside against rust Eastwood's Rubberized Undercoating stands up to the most extreme conditions to protect your vehicle's underside from rust, road salt and corrosion.
  • Protects against rust and corrosion
  • Reduces road noise
  • Perfect for wheel wells
  • Dries fast, stays flexible

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About Rubberized Undercoating Aerosol 18oz

Rubberized Undercoating develops a very tough, flexible film that stays put. Excellent adhesion to metal or painted surfaces. Buy 3 or more and SAVE!


Contains net weight 18.3 ounces, Covers up to 7 square feet.


Buy 3 or more and SAVE!


use a heat gun and dull putty knife to remove undercoat.


Work in a well ventilated area when applying this product. The use of a respirator like our SAS Bandit Respirator (11455 or 11456) is recommended when applying this coating.




Use Rubberized Undercoating 18.3oz Aer for touch up in wheel well areas. One can covers about 7 sq ft and withstands up to 200 degrees F. This resilient black coating protects the surface against chips, and deadens sound. The dried coating can also be painted. To completely undercoat the underside of your car, use Rubberized Undercoating (16008 ZP) Qt. (Average 2 needed); and apply Heavy Duty Anti Rust (16017 ZP) in rocker panels, doors, and other boxed sections. Use a heat gun and dull putty knife to remove undercoat. Use in a well ventilated area or wear a respirator.