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Rust Proofing & Protection Shops in Ajax, ON

Find trusted rust proofing & protection services in Ajax. Compare prices, read reviews, and book online.

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Krown Rust Control
Ajax • ≈ 9 km
KR
Krown Rust Control
195 Westney Rd S Unit 3, Ajax, ON L1S 2C9, Canada, Ajax
★ 4.7
353 Google reviews
Response ≈ 36 min • $$ • Quotes free
Rust Proofing & Protection
📞 (905) 420-8163 • Free quote • Verified
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Verified Reviews for Rust Proofing & Protection
★ ★ ★ ★ ★

“I had a great experience here and would definitely come back. Jacqui at the front desk was very friendly and helpful, and made everything easy from the moment I arrived. Thanks for the great service!”

junior russell • Rust Proofing & Protection at Krown Rust Control, Ajax
★ ★ ★ ★ ★

“I have 2 older cars that I want to keep for a while longer so I went to Krown Ajax to get the restroom treatment. I previously had Krown regularly spray my 60 year old Chrysler and it stood up extremely well. I took advantage of the 2026 Summer Special package for both cars. The deal was really great . I made both appointments on the same day and in each case the work started and finished right on time .
I particularly appreciated the camera set up they have in the lobby that allowed me to see the undercarriage of the cars and watch the technicians generously apply the Krown product. In one case Jacqui,at the service counter, actually took pictures )and sent them to me) of the underside of the rocker panels to show me where I was having problems. She also recommended a good restoration shop to get a quote from to have the rockers repaired.
Overall, I was very pleased with the work done by Krown and the extra steps they took to help me keep my vehicles longer.”

John mc • Rust Proofing & Protection at Krown Rust Control, Ajax
★ ★ ★ ★ ★

“Did a great job !!
Even boosted my battery that decided to die on that particular day.
Thank you !!
.”

Robert brinkman • Rust Proofing & Protection at Krown Rust Control, Ajax
★ ★ ★ ★ ★

“The staff at Krown Ajax location is very courteous and friendly. We have been long time customers at Krown Ajax for many years with multi vehicles. Every vehicle has been well sprayed and left washed and cleaned upon completion. We will continue to use this service for many years to come. Thank you for everything over the years.”

Karen Fox • Rust Proofing & Protection at Krown Rust Control, Ajax
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Find a Best Rust Proofing & Protection in Ajax, ON

Don't leave your Rust Proofing & Protection to chance. Browse 1 trusted mechanics in Ajax, read authentic customer reviews, and find the right shop for your vehicle today.

What Causes Vehicle Rust in Canada

Road salt (calcium chloride and sodium chloride) attacking bare metal
Moisture trapped in crevices, door panels, and wheel wells
Stone chips exposing bare metal underneath the paint
Drainage holes clogged with debris allowing standing water
Older vehicles with thinner factory undercoating wearing away
Winter driving requiring constant exposure to salt brine and sand

Signs Your Vehicle Needs Rust Protection

Bubbling paint on wheel arches, rocker panels, or door bottoms
Visible surface rust on the frame, subframe, or suspension components
Rust-through holes forming on body panels or the floor
Brown stains around panel seams and weld joints
Crumbling undercoating that no longer provides protection
Body panels that feel soft or thin when pressed

Rust Proofing & Protection Services Available

Oil-Based Rust Proofing Spray

Annual oil spray that creeps into seams and crevices

Rubberized Undercoating

Thick, permanent coating for the underbody and wheel wells

Electronic Rust Prevention

Electronic modules that disrupt the oxidation process

Cavity Wax Injection

Spraying protective wax inside doors, fenders, and rocker panels

Rust Repair & Treatment

Rust converter application on existing surface rust

New Vehicle Protection Package

Complete rust proofing for brand-new vehicles

Rust Proofing & Protection Tips

Apply rust proofing annually before winter for maximum protection
Wash your vehicle's underbody frequently during salt season
Don't wait until you see rust—prevention is far cheaper than repair
Oil-based sprays are generally considered most effective for Canadian conditions
New vehicles should be rust-proofed immediately—factory protection is minimal
Keep drainage holes in your doors and rocker panels clear of debris

Frequently Asked Questions

How much does rust proofing cost in Ajax? +
Annual oil spray rust proofing costs $120-$180 for cars and $150-$220 for trucks and SUVs. One-time rubberized undercoating costs $300-$600. Electronic modules start at $400-$600 installed.
Is rust proofing worth it on a new car? +
Absolutely. Factory corrosion protection is minimal, especially on the frame and subframe. An annual oil spray starting from year one significantly extends the vehicle's structural life in Canadian climates.
Which type of rust proofing is best? +
Oil-based annual sprays (like Krown or Rust Check) are widely considered the most effective for Canadian conditions because they penetrate into seams, crevices, and hard-to-reach areas that rubberized coatings miss.
Can you rust-proof a car that already has rust? +
Yes, but existing rust should be treated with a rust converter first. Rust proofing will then slow further progression, but it cannot reverse damage that has already occurred.

Rust Proofing & Protection in Nearby Cities

Toronto Ottawa Mississauga Brampton Hamilton London Markham Vaughan

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