When you buy a new vehicle, the factory warranty feels like a safety net. It covers repairs, major components, and sometimes even corrosion. But here’s the catch: most factory warranties only protect against “perforation” rust — meaning they won’t cover anything unless rust has eaten completely through the metal. By the time that happens, your vehicle has already lost value and strength.
That leaves Michigan drivers in a tough spot. Our roads are covered with salt and brine every winter, creating perfect conditions for corrosion. Visible rust spots, bubbling paint, or surface corrosion? Most warranties don’t cover those at all.
Here’s what factory warranties often exclude:
- Surface rust. Early signs like bubbling paint or undercarriage spots aren’t covered.
- Rust caused by chips or scratches. If a rock chips your paint and rust forms, it’s usually considered “wear and tear.”
- Hidden corrosion. Rust inside panels, seams, and frame rails is rarely covered until it breaks through — which is too late.
That’s why rustproofing is so important. Rather than waiting for a warranty claim that may never be approved, you can prevent the problem entirely with NHOU rustproofing from Paint Bull Express.
Our oil-based coatings creep into hidden areas to block moisture and oxygen before corrosion starts. For brand-new vehicles, our BossWax wax-based coating seals the undercarriage with a durable, long-lasting layer. And with our annual inspection program — just $40 with a free car wash — you’ll know your protection is holding up season after season.
Rust is one of the leading causes of lost resale value, and factory warranties won’t stop it from starting. The smartest investment is prevention, not paperwork.
Protect your vehicle beyond the fine print.
Call Paint Bull Express at 989-793-2200 or visit us at 3140 Bay Rd in Saginaw to schedule your rustproofing today.
