Vehicle Rust Protection & Undercoating in Arden Hills & Lakeville, MN

Krown rust protection is an oil-based corrosion inhibitor that penetrates door cavities, seams, spot welds, and enclosed body panels — areas where standard rubberized undercoating cannot reach. 2G Protective Coatings applies Krown rust protection and undercoating at both the Arden Hills and Lakeville locations, giving Twin Cities vehicle owners a two-layer defense against Minnesota road salt before the damage starts.

Minnesota applies road salt from October through April — roughly half the calendar year. That means your vehicle’s undercarriage, brake lines, and body seams spend six months in a salt-and-moisture environment that accelerates corrosion faster than age or mileage alone. Krown stops that process at the source. 2G has been applying rust protection and undercoating treatments in the Twin Cities metro since [VERIFY WITH CLIENT].

Rust Protection & Undercoating Services at 2G

Available at both the Arden Hills and Lakeville locations:

  • Krown oil-based rust protection spray — applied to body panels, door cavities, hinges, seams, rocker panels, and wheel wells
  • Wheel well and rocker panel treatment
  • Annual maintenance treatments to renew protection after each salt season
  • Application for cars, trucks, SUVs, and vans
  • Available for both new and used vehicles

Our Rust Protection & Undercoating Process at 2G

Step 1: Vehicle Inspection

We begin with a thorough inspection of your vehicle’s undercarriage to identify any existing rust spots, exposed metal, or vulnerable areas that require attention before treatment begins.

Step 2: Cleaning & Surface Preparation

We carefully clean the underside of the vehicle to remove dirt, debris, grease, and salt buildup. Where minor rust is present, we treat and neutralize affected areas to ensure the protective coating bonds correctly to the surface.

Step 3: Rust Protection Treatment

Penetrating rust protection is applied to door cavities, body seams, wheel wells, and hard-to-reach structural areas — stopping oxidation at the source before it works its way through the metal. 

Step 4: Undercoating Application

A protective undercoating barrier is applied evenly to all key components of the undercarriage by our experienced technicians, ensuring consistent coverage and thickness across every treated surface.

Step 5: Final Quality Check

Before your vehicle is returned, we perform a final inspection to verify complete coverage and confirm all treated areas meet our quality standards.

Why Minnesota Vehicles Need Annual Rust Protection

By the time surface rust is visible on a door panel or rocker, the corrosion inside the seams and structural panels has typically been underway for months. Road salt doesn’t just sit on metal surfaces — it migrates into joints, spot welds, and cavity edges where moisture is trapped.


Krown’s oil-based formula disrupts that process by displacing moisture and forming a protective film over exposed metal. Annual reapplication before the salt season renews that protection before it has fully displaced. Over the lifespan of a vehicle, consistent annual treatment maintains structural integrity, prevents brake-line corrosion, and protects resale value more effectively than a single one-time application ever can.


Related Services

Spray-On Bed Liners · Industrial Coatings

Frequently Asked Questions About Rust Protection & Undercoating in Minnesota

  • What Is the Difference Between Rustproofing and Undercoating?

    Rustproofing (like Krown) uses a penetrating oil-based spray that gets inside body cavities, door seams, and welds to stop oxidation from the inside out. Undercoating creates a physical barrier on the vehicle’s underside to block moisture, salt splash, and road debris. The two products target different surfaces — most Minnesota vehicle owners benefit from using both together for complete coverage.

  • How Often Does Krown Rust Protection Need to Be Reapplied?

    Krown requires an annual treatment. The oil-based formula displaces naturally over 12 months of normal driving and road exposure, so a yearly top-up at either the Arden Hills or Lakeville 2G location keeps protection at full strength heading into each new salt season.

  • Will Rust Protection Void My New Car’s Factory Warranty?

    No. Krown rust protection is applied externally without modifying factory components and does not interfere with factory warranty coverage. For vehicle-specific warranty questions, contact the Arden Hills team at (651) 251-6834 or the Lakeville location at (952) 469-6009.

  • When Is the Best Time of Year to Get Rust Protection in Minnesota?

    Late fall — before the first road salt application — is the most effective timing for new treatments. The formula has time to penetrate and bond before heavy salt exposure begins. Spring is the right window for annual maintenance appointments after the salt season ends and before summer humidity sets in.

  • Does Rust Protection Work on Older or Higher-Mileage Vehicles?

    Yes. Krown is effective on new and used vehicles at any mileage. On older vehicles with existing surface corrosion, the formula slows further oxidation and protects unaffected areas. Earlier treatment is more effective, but late-stage protection still provides meaningful benefit for any vehicle still in regular use on Minnesota roads.

Serving the Entire Twin Cities Metro Area

2G Protective Coatings and Truck Accessories, with locations in Arden Hills and Lakeville, MN, serves vehicle owners throughout the Twin Cities metro, including: 

Andover, Anoka, Apple Valley, Arden Hills, Bayport, Belle Plaine, Blaine, Bloomington, Brooklyn Center, Brooklyn Park, Burnsville, Centerville, Champlin, Chanhassen, Chaska, Circle Pines, Columbia Heights, Columbus, Coon Rapids, Cottage Grove, Crystal, Eagan, East Bethel, Eden Prairie, Edina, Elko New Market, Excelsior, Falcon Heights, Farmington, Forest Lake, Fridley, Golden Valley, Ham Lake, Hastings, Hopkins, Hugo, Inver Grove Heights, Jordan, Lake Elmo, Lakeville, Lauderdale, Lino Lakes, Little Canada, Long Lake, Mahtomedi, Maple Grove, Maplewood, Mendota Heights, Minneapolis, Minnetonka, Minnetrista, Mound, Mounds View, New Brighton, New Hope, New Prague, North St. Paul, Northfield, Oakdale, Orono, Osseo, Plymouth, Prior Lake, Ramsey, Richfield, Robbinsdale, Rogers, Rosemount, Roseville, Savage, Shakopee, Shoreview, Shorewood, South St. Paul, Spring Lake Park, St. Anthony, St. Francis, St. Louis Park, St. Paul, St. Paul Park, Stillwater, Vadnais Heights, Victoria, Waconia, Wayzata, West St. Paul, White Bear Lake, Woodbury.


Popular service area pages: Arden Hills · Lakeville · Bloomington · Blaine · White Bear Lake

Schedule Rust Protection at 2G — Arden Hills & Lakeville

Call the Arden Hills location at (651) 251-6834 or Lakeville at (952) 469-6009 to book your rust protection or undercoating appointment. Both shops are open Monday through Friday. Walk-ins welcome — scheduling ahead is recommended for combined rust protection and bed liner appointments.