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15 oz. Matte Black Rubberized Undercoating Spray

$7.98
  • Protects metal surfaces from corrosion and moisture
  • Scratch and weather-resistant
  • Can be painted over
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Product Details

Rust-Oleum Rubberized Undercoating protects metal surfaces from corrosion and moisture. The finish remains soft and can be painted over. Dries to a flat-black, rubberized finish.
  • Use on bare or primed metal including underbody and wheel wells of cars, trucks, trailers and other recreational vehicles
  • Oil-based formula provides a durable, long-lasting finish, resists nicks and scratches
  • Matte black textured finish
  • 15 oz. can covers up to 18 sq. ft.
  • Any-Angle Spray Technology with comfort tip
  • Clean up with mineral spirits
  • Do not apply to surfaces that exceed 200°F
  • Excellent weather resistance
  • Click here to view more Rust-Oleum Automotive products
  • Actual paint colors may vary from on-screen and printer representations
  • Return Policy
  • California residents

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

24Questions
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Q:How many cans do you need to cover a 5?7? truck bed
by|Dec 30, 2022
1 Answer
Answer This Question

A:  Happy to help, Kenny. Rust-Oleum Automotive Rubberized Undercoating Spray provides corrosion protection for undercarriages, wheel wells and quarter panels. The undercoating dries to a soft, rubbery finish that helps reduce road noise and protects against moisture, rust and road debris, it is not suitable for application to truck beds. For truck beds, we recommend using one of our Automotive Truck Bed Coatings. https://www.homedepot.com/s/rustoleum%20truck%20bed%20coating?NCNI-5 - Rust-Oleum Product Support 6

by|Jan 5, 2023
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    Q:Will this prevent condensation on an uninsulated steel roof, if roof is coated on the underside?
    by|Dec 28, 2022
    2 Answers
    Answer This Question

    A:  Don't know if I would trust it for that. I've used it for it's intended purpose (undercoating), and it didn't hold up very well. It's definitely not a "rubberized ' undercoating. It goes on very thin, like a spray paint. I had to apply several coats. In the end , it was peeling off anyway.

    by|Jan 3, 2023

      A:  Thank you for reaching out, Larry. Rust-Oleum Automotive Rubberized Undercoating Spray is intended to be used on undercarriages, wheel wells and quarter panels to help protect the surface and reduce road noise. This is not considered a waterproofing product and is not recommended for use on roofs. - Rust-Oleum Product Support 3

      by|Dec 28, 2022
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        Q:Can I use this product on unpainted wood ?
        by|Dec 24, 2022
        2 Answers
        Answer This Question

        A:  Thanks for reaching out, Joseph. Rust-Oleum Automotive Rubberized Undercoating Spray is designed for use on bare or primed metal surfaces, it cannot be applied to wood. Rubberized Undercoating dries to a soft, rubbery finish, it does not dry to a hard film. - Rust-Oleum Product Support 6

        by|Dec 28, 2022

          A:  yes i used it to do the underside of my utility trailer. i put it over pressure treated and the steel. good product (just make sure its dry and weathered for a few weeks to dispell any moisture to get maximum adhesion)

          by|Dec 28, 2022
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            Q:Do I need to sand off rust or use a primer like rust reformer before using this coating?
            by|Sep 16, 2022
            1 Answer
            Answer This Question

            A:  Hi Cole, thank you for reaching out! Prior to applying our Rust-Oleum Automotive Rubberized Undercoating, we recommend using a wire brush or sandpaper to remove loose, flaking rust from the surface. Any remaining light rust is safe to apply over. You can also prime the surface with our Rust-Oleum Rust Reformer, or Rusty Metal Primer: https://www.homedepot.com/p/Rust-Oleum-Stops-Rust-12-oz-Flat-Rusty-Metal-Primer-Spray-7769830/202056392 - Rust-Oleum Product Support 2

            by|Sep 16, 2022
              Showing 1-4 of 24
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              Customer Reviews

              3.7 out of 5
              (80)
              • 3.7
                out of 80 reviews
              • 52%recommend this product
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              Showing 1-10 of 80 reviews
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              • Verified Purchase
              worked great. as expected. I would buy again if needed....
              worked great. as expected. I would buy again if needed.
              by
              • Verified Purchase
              Amazing. Works as described....
              Amazing. Works as described.
              by
              • Verified Purchase
              great product only complaint is the price is a little...
              great product only complaint is the price is a little high..
              by
              • Verified Purchase
              Do notice the fact it is not black black. Has...
              Do notice the fact it is not black black. Has a brown hue to it.
              by
              Response from Rust-OleumSupportDec 22, 2022
              Let's see what we can figure out. Before using Rust-Oleum Automotive Rubberized Undercoating Spray, be sure to vigorously shake the can for at least one minute once the mixing ball begins to rattle, and frequently during use. All this shaking ensures the pigment (color) is well mixed inside the can, which typically results in perfect color. Rubberized Undercoating dries to a soft, rubbery finish (it does not dry to a hard film) that helps reduce road noise and protects against moisture, rust and road debris.
              - Rust-Oleum Product Support 6 Rustoleum
              • Verified Purchase
              Works well for me for the purpose I am using...
              Works well for me for the purpose I am using it for. Bought a 2002 Ford E-250 and I am putting some undercoating on it to stop and prevent rust.
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              Showing 1-10 of 80 reviews

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