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10 Best undercoatings in Canada
Best Choice01Corrosion FreeCorrosion Free Rust Cure Formula 3000 5G Pail, Great for Vehicles, Buses, Tractors, snowblowers, mowers, Rust Prevention, Rust Inhibitor, undercoating
Main highlights- Stops existing rust and corrosion from getting worse
- Removes and displaces moisture in hidden cavities, including salt water
- Non toxic, no solvents or VOCs, no odour
- Maintains structural integrity of metals, protects brake and fuel lines
- Clean, clear, no drip rustproofing, treats 5-7 vehicles
9.8Exceptional
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- 02woolwax
Woolwax 1-Gallon Jug. New Package. Same trusted formula. U.S.A. Made Lanolin Auto Truck Undercoating - Solvent Free - 2+ Year Corrosion Protection. Color: BLACK
Free ShippingMain highlights- Woolwax is formulated with more raw woolgrease (lanolin) than any competitive product. That makes Woolwax considerably thicker and more resistant to wash-off for longer protection.
- Woolwax is a lanolin based auto / truck undercoating made from raw wool-grease. Woolwax has almost no smell. Woolwax sprays on wet and does not dry. Woolwax forms a wet film protective barrier.
- Woolwax is Very proudly Made in U.S.A. (including all packaging)
- Woolwax can be applied with most undercoating guns using a pressure of 70-90 psi.
- Protects metal surfaces from rust, corrosion, salt, moisture, salt spray, industrial pollutants and road chemicals. Creates a wet film and does not dry.
- New convenient easy pour jug packaging. Same trusted Woolwax formula.
- Always active and creeps into frame rails, rockers, doors, and more. Provides undercarriage corrosion protection for 2 years or more. Enclosed protected areas are protected indefinitely (many years).
- 100% colorfast black formula. Color will not wash out.
9.6Exceptional
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- 03Rust-Oleum
Rust-Oleum Automotive Rubberized Undercoating in Black, 425g
Free ShippingMain highlights- Rubberized
- Paintable
- Comfort-tip spray nozzle
- Any-angle spray technology
9.4Excellent
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- 04Fluid Film
Fluid Film Black Non-Aerosol, Long Lasting Corrosion, Penetrant & Lubricant, Anti-Rust Coating, Protects All Metals in Marine and Undercoating in Automotive & Snow-Handling Vehicles, 1 Gallon
Free ShippingMain highlights- WIDELY USED for maintenance of locks & hinges at home, lawn & garden tools & equipment, as well as in the aviation and automobile industries. In government and commercial facilities. Equipment in fishing, gas companies, farming, salt, power and industrial plants
- SALVAGE DAMAGES. Damaged, heavily corroded and/or frozen parts such as nuts, bolts, shafts, etc. can be salvaged by applying FLUID FILM BLACK. It provides a non-toxic, non-irritating, non-flammable coating that remains in a permanently soft gel state
- NO SOLVENT. Formulated from specially processed wool-wax, highly refined petroleum oils and selected agents, providing a non-toxic, non-irritating, non-flammable coating for corrosion control, penetration, metal wetting and water displacement
- HOW IT WORKS. The wet barrier creeps and migrates into tight seams and into the metal chassis to provide corrosion protection from salts and brines. Protects your vehicle while restoring a rich black color to the chassis or cover existing rust
- FLUID FILM BLACK offer powerful corrosion protection for all metals and superior lubrication for moving parts. The long lasting thixotropic liquids and gels is aptly used in the highly corrosive marine environment and vehicle undercoating in the automotive and snow handling industries
9.3Excellent
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Value for Money05Corrosion FreeCorrosion Free Rust Cure Formula 3000 1G/4L Jug, Great for Vehicles, Buses, Tractors, snowblowers, mowers, Rust Prevention, Rust Inhibitor, undercoating
Free ShippingMain highlights- Stops existing rust and corrosion from getting worse
- Removes and displaces moisture in hidden cavities, including salt water
- Non toxic, no solvents or VOCs, no odour
- Maintains structural integrity of metals, protects brake and fuel lines
- Clean, clear, no drip rustproofing
9.0Excellent
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- 06Rust-Oleum
Rust-Oleum 248656-6PK Stops Rust Professional Grade Undercoating Spray Paint, 15 oz, Rubberized Black, 6 Pack
Main highlights- Undercoating helps deaden sound and reduce damage to parts
- Professional-grade formula provides superior protection against corrosion and damage from water, salt and other chemicals
- Perfect for use on bare or primed metal underbodies of cars, trucks, trailers, RVs and more
- Features a wide, comfort spray tip and any-angle spray technology for easy painting even upside down
- Dries to the touch in 1 hour and covers up to 10-15 sq. ft. per can
8.7Very Good
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- 07
RODACHeavy Duty Rust Proofing Gun Undercoating
Free Shipping8.5Good
- 083M
3M 03584 Professional Grade Rubberized Undercoating - 16 oz.
Free ShippingMain highlights- Sound-deadening properties help reduce road noise
- No-run formula for clean application
- Can be used on cars, trucks and recreational vehicles
- Black protective coating helps prevent damage from corrosion
8.3Good
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- 09Rust-Oleum
Rust-Oleum Automotive Professional Undercoating in Black, 425g
Free ShippingMain highlights- Rubberized
- Professional Grade
- Paintable/Quick Dry
- Deadens Sound
- Corrosion Resistant
8.2Good
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- 10
Blaster
B'laster 128-SS Surface Shield Bulk 1-Gal Pail, Multi
Free ShippingMain highlights- Smooth, Drip-Free Application: Apply with a sprayer or brush for even coverage across metal surfaces. No dripping or uneven spots—this undercoating lays down clean, creating a uniform barrier for better long-term protection.
- Safe on Plastics, Wiring & Rubber: B'laster Surface Shield works well around rubber seals, plastic trim, and wiring, making it a flexible option for protecting metal surfaces in hard-to-reach areas.
- Low-Odor Formula with Light Scent: Made with lanolin, this undercoating is easy to work with in garages or enclosed spaces. The mild cedar aroma makes it more pleasant to use, works as undercoating for vehicles and anti rust spray for metal in tight spaces.
- Gallon-Sized Coverage for Larger Jobs: B'laster Surface Shield now comes in a 1-gallon size—perfect for extended projects and wide surface areas. Get long-lasting, reliable protection with this lanolin-based undercoating for vehicles, trailers, and outdoor equipment.
- Fights Rust Before It Starts: B'laster Surface Shield creates a moisture-blocking barrier to help prevent rust on metal parts. Ideal for undercoating for mower decks and plow blades. A go-to rust prevention surface shield for large jobs.
8.1Good
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