NHOU® Marine Corrosion Guard Aerosol Cans
NH Marine Corrosion Guard is a rust inhibitor oil that forms a water displacing, moisture resistant, non-conductive barrier on non-painted, and painted surfaces. Use to prevent rust from forming on outdrives, lower units, and power trim motors and electrical components or other metal surfaces.
Price range: $34.78 through $166.92
You can wash your vehicle immediately after the treatment. (avoid high-pressure undercarriage washing) Unlike other preventing methods, it will not trap moisture. It literally pushes it away, leaving behind a corrosion-fighting lubricating film.
Absolutely not! Because NH Oil Undercoating® is an entirely different approach, it eliminates annoying electrical malfunctions and makes the vehicle work better and last longer. While the manufacturers probably won’t admit it, they just have to love NH Oil Undercoating® because it will reduce the number of corrosion related warranty claims they are obligated to pay. It also saves customers the time and aggravation associated with claims against warranties. NH Oil Undercoating is used and sold by most major manufacturers dealerships.
Check with your dealer, each shop is independently owned and operated. In most cases, if your vehicle arrives with a heavy residue of mud, flaky rust it would be necessary to wash/remove before treatment. We recommend that any heavy accumulation of mud and dirt be pressure washed from the frame and wheel wells a day prior to the application. Note, arrangements may be necessary to allow adequate time for preparation and additional costs may occur.
NHOU is atomized under high pressure which pushes the product deep into the seams, cracks and crevices where corrosion starts. Once applied, the product removes the moisture in these areas and provides a strong adherence to these surfaces, remaining active with excellent “creeping” and self-healing abilities.
While driving habits may vary, we recommend an annual application in order to maintain adequate protection.
Displaces moisture and forms a barrier against airborne chemicals to protect against rust and corrosion
Forms a non-conductive water-resistant barrier for added protection from marine environments
Remains clear and doesn’t peel
Marine rust inhibitor is safe for all painted surfaces
Do not spray on surfaces coated with anti-fouling or biocide paint. Do not spray on drive belts or soft natural rubber
How to Apply NH Marine Corrosion Guard
Use when air and can temperature is between 50°F and 80°F and humidity is 60% or less. Avoid spraying in very windy, dusty conditions. Cover the surrounding area to protect it from spray mist.
- Remove all dirt, wax, grease, saltwater deposits, and other contaminants with a high-quality cleaner.
- Rinse with water and allow the area to dry.
- Shake can vigorously for one minute after mixing ball begins to rattle.
- Hold the can upright 6-10″ from the surface and apply thin, even coats using a steady back-and-forth motion.
- Note: Keep the can in motion while spraying; release the button after each stroke.
- Reapply before storing your boat and every week if boating in saltwater areas.
When finished spraying, clear the spray valve by turning the can upside down and pushing the spray button until clear gas comes out. Clean up wet paint with simple green or dish soap. Dispose of empty cans in accordance with local, state, and federal regulations.
Min. Operating Temp. -10 Degrees F, Max. Operating Temp. 200 Degrees
It prevents corrosion when storing inboard or outboard engines for an extended period of time.
*Not available to California residents
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Units | 1 Case (12 Cans), Each (2 Cans) |
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Versatile Use: Ideal for cars, trucks, RVs, boats, and even HVAC equipment.
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Simply spray NHOU® Keep the Mouse Out in areas prone to rodent activity. Its long-lasting formula ensures continuous protection, giving you peace of mind whether your vehicle is on the road or in storage.
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Proven Effectiveness: Trusted by professionals and vehicle owners alike.
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NHOU® Keep the Mouse-Out deterrent spray is infused with essential peppermint oil and predator scent undetectable by humans, to help deter rodents in four ways: scent, taste, touch, and predatory fear.Gift Card-Protect Their Ride: NHOU® Gift Cards for Every Occasion!
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Looking for the perfect gift for the car enthusiast in your life? NHOU® Gift Cards offer a practical and thoughtful solution, allowing your loved ones to choose from our range of premium rust protection products and services.
Why Choose NHOU® Gift Cards?
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Versatility: Redeemable for any NHOU® product or service, including our renowned oil undercoating treatments and DIY kits.
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How to Purchase
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Select Amount: Choose the denomination that fits your gifting needs.
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Add to Cart: Proceed to checkout with our secure payment system.
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Show your loved ones you care about their vehicle's longevity and safety. An NHOU® Gift Card is more than a present—it's an investment in their vehicle's future.
Please include the recipient’s name and address, we can mail the gift certificate usually within one business day. If you would like a gift certificate for a specific amount, you can call the office directly at 603-491-9012 extension one. Gift certificates can be made out in any amount.

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