Cars & SUVs
Protect daily drivers, family vehicles, crossovers and SUVs from the salt, moisture and winter road conditions common throughout New Hampshire.
Rust & Corrosion Protection · Merrimack, NH
Protect your car, truck or SUV from the New Hampshire road salt, brine and moisture that eat away at undercarriages all winter long.
New Hampshire winters can be brutal on your vehicle. Road salt, brine, moisture, snow and ice continually attack the exposed metal underneath your car or truck, creating exactly the conditions that lead to rust and corrosion.
ACME Pressure Washing provides professional vehicle oil undercoating in Merrimack, NH, helping protect cars, pickup trucks, SUVs, commercial vehicles and work trucks from the damaging effects of New England winters. Our oil-based undercoating creates a protective barrier along the undercarriage, repelling moisture and corrosive road contaminants while reaching seams, crevices and areas that are difficult to protect with traditional rigid coatings.
Whether you have a newer vehicle you want to keep rust-free or an older truck beginning to show surface rust, annual oil undercoating is one of the smartest ways to protect your vehicle investment.

Road salt keeps New Hampshire roads safer in winter, but it is extremely hard on vehicles. Salt, brine and moisture collect around the frame, suspension, wheel wells, seams and brake lines, and once those contaminants sit against metal, corrosion gradually develops and spreads.
Rust isn’t just cosmetic. Left untreated, corrosion can affect important components and make future repairs far more difficult and expensive. Professional oil undercoating puts a moisture-resistant barrier between your vehicle and the harsh conditions it faces all winter. Regular undercoating can help:

How it works
Unlike hard rubberized coatings that cure into a rigid surface, an oil-based undercoating stays flexible. The oil works into seams, joints, crevices and other areas where moisture and road salt collect, reaching spots that rigid surface coatings simply can’t. It also helps displace moisture and lays down a protective film across exposed metal.
Because the coating remains active and gradually wears through normal driving, New Hampshire vehicle owners typically have oil undercoating reapplied each year to maintain consistent protection. For most vehicles exposed to winter road salt, an annual application before or around the start of winter is an effective preventative maintenance schedule.

“Eric C and Larry B did a fantastic job. Both careful and thorough, and I'm very happy with the results.”
Every kind of vehicle
ACME provides oil undercoating for many different types of vehicles throughout Merrimack and Southern New Hampshire.
Protect daily drivers, family vehicles, crossovers and SUVs from the salt, moisture and winter road conditions common throughout New Hampshire.
Truck frames and undercarriages take heavy exposure to road salt, mud and moisture. Oil undercoating helps protect these critical areas from corrosion.
Businesses depend on their vehicles every day. Protecting them against corrosion helps reduce premature deterioration and safeguards valuable business assets.
We help businesses maintain multiple trucks and commercial vehicles. Undercoating pairs perfectly with our professional fleet and equipment washing.
Fleet & Equipment WashingReal ACME work
A salt-caked, road-grimed fleet truck cleaned up and treated by the ACME crew, ready to head back out through a Southern NH winter.


Vehicle Oil Undercoating


Vehicle Oil Undercoating


Vehicle Oil Undercoating


New or older
You don’t need to wait until you see rust to have your vehicle undercoated. Applying rust protection while a vehicle is newer lets you protect clean metal before significant corrosion ever develops. For drivers buying a new car, SUV or truck in New Hampshire, establishing an undercoating schedule early helps protect the vehicle through years of winter driving.
Yes. Older vehicles benefit significantly. If your car or truck already has light or moderate surface rust, an oil-based coating can penetrate the affected areas, help displace moisture and slow continued corrosion. It can’t repair metal already suffering severe structural corrosion, which is exactly why preventative treatment is so valuable, so the earlier you start, the better.

Our process
Proper preparation and thorough application are essential to effective rust protection. Depending on the condition of your vehicle, the ACME undercoating process may include:

Timing
The best strategy is to have your vehicle protected before heavy winter road-salt exposure begins. September, October and early fall are the most popular times for New Hampshire vehicle owners to schedule undercoating.
That said, oil undercoating can still add value at other times of year, so you don’t necessarily have to wait until fall if your vehicle needs protection now. The important thing is building a consistent rust-prevention schedule instead of waiting until corrosion becomes severe.

Why ACME
ACME has served Merrimack and Southern New Hampshire since 1988. We know what New England weather, road salt and winter driving do to vehicles.
We work with individual vehicle owners as well as businesses running work trucks and commercial fleets.
Our undercoating is designed specifically to protect exposed metal against moisture, road salt and the conditions that cause corrosion.
Combine oil undercoating with our fleet and equipment cleaning for more complete protection of commercial vehicles and work trucks.
ACME has spent decades serving homeowners and businesses throughout Merrimack and Southern New Hampshire.
Where we work
Based in Merrimack, NH, ACME provides oil undercoating and specialty vehicle services for drivers and businesses across Merrimack, Nashua, Bedford, Londonderry, Derry, Hudson, the Manchester area and surrounding Southern NH towns.
Good to know
Most vehicles exposed to New Hampshire winter road salt should be inspected regularly and typically benefit from annual oil undercoating. Because oil-based treatments stay flexible and gradually wear through driving and exposure, reapplication keeps protection consistent.
Oil undercoating helps prevent rust by creating a protective barrier between exposed metal and moisture, road salt, brine and other corrosive contaminants. It can also penetrate seams and areas where corrosion commonly begins.
Late summer and fall are excellent times, because the treatment is in place before winter road salt becomes widespread. September and October are especially popular, though vehicles can benefit from rust protection at other times of the year as well.
Yes. Vehicles with existing surface rust can still benefit. The treatment penetrates rusted areas and helps slow continued corrosion. It cannot repair metal that has already been severely damaged by rust.
Yes. A new vehicle is an excellent candidate because you're protecting clean metal before significant corrosion begins. Starting early helps preserve the undercarriage over years of New Hampshire winter driving.
They work differently. Oil-based undercoating stays flexible and creeps into seams, crevices and hard-to-reach areas, while some rigid coatings can chip or crack over time. The best solution depends on the vehicle, its condition and the protection already present.
Oil undercoating is applied primarily to corrosion-prone areas underneath the vehicle, including the frame, seams, joints, wheel-well areas and other exposed metal components. Coverage can vary based on vehicle design and condition.
A small amount of excess material may drip shortly after application. This is normal as the material settles and works into seams and crevices. Ask us about what to expect immediately following your service.
Yes. ACME provides rust-protection solutions for pickup trucks, work trucks and commercial vehicles. Businesses can also combine undercoating with our fleet and equipment washing service to keep company vehicles cleaner and better protected year-round.
ACME is located in Merrimack, NH and serves vehicle owners and businesses throughout Southern New Hampshire, including Merrimack, Nashua, Bedford, Londonderry, Derry, Hudson and surrounding communities.
What our customers say
Free, no-obligation quote
Don't wait until rust becomes an expensive problem. Whether you're protecting a new vehicle, extending the life of an older truck or maintaining a commercial fleet, we'll help you stay ahead of the salt, moisture and corrosion that come with New Hampshire driving. Call (603) 883-6900 or request a free estimate below.
(603) 883-6900