One Application Lasts 12-Months!

Woolwax Rust Preventative



One Application Lasts 12-Months!

Woolwax Rust Preventative


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 SALES – SERVICES – PARTS  |  Phone: (973) 347-1101 Fax: (973) 347-0064  |  Hours: Mon – Fri  7:30am to 4:30pm

before-after shot of WoolWax applied to a truck axle, you can see the difference!

Before and after WoolWax treatment – 1 application lasts 12 months! WoolWax is Made in The USA.

WoolWax Undercoating Stops Rust!

Apply annually – Long-lasting, all-natural lanolin, and really works!

WoolWax Undercoating Stops Rust! - Made in the USAWoolWax® is must-have rust preventative for anyone who owns a vehicle or equipment, or anything else metal.

Equipment utilized in the course of winter is vulnerable to the natural and fabricated elements that surround the season. Inclement weather and road salts are highly destructive to metals and electrical connections.

Vehicles traveling through salted roads face a constant barrage of highly corrosive chemicals used for road stabilization.

These chemicals kick up and cling to metals and underbodies, re-crystallizing as they dry.

WoolWax Undercoating Formula is a lanolin-based corrosion inhibitor developed solely to protect the undercarriages of automobiles and trucks. Their lanolin is blended with other proprietary agents to provide long term corrosion protection. WoolWax® will provide long term protection (annual application) against salt, liquid calcium chloride, brine, and all other ice control agents that are being used by municipal departments.

Remaining slick in sub-zero temperatures, WOOLWAX is an excellent release agent for snow, helping to keep snow and ice from building up or sticking to the metal. WOOLWAX is also the perfect product for winterizing equipment stored indoors and out.

WOOLWAX can be applied to metal surfaces to protect them from the elements.  It is all-natural and will not harm paint or electric components. 

WoolWax has quickly become the most trusted name in vehicle undercoating protection.

Municipalities, Fire Departments, Undercoaters, and snow and ice removal companies all throughout the northeast have switched to using WoolWax for their undercoating needs. WoolWax® is a heavy-duty industrial grade lanolin/wool grease formula that provides powerful long term corrosion protection.

Because WoolWax is built thicker, it is more resistant to wash-off than any other product that we have tested.

WoolWax is built to last longer! Available in clear and black.

Woolwax® contains much more raw wool grease (lanolin) than any competitive product.

This makes Woolwax® thicker and much more resistant to wash off. Thereby providing a longer period of protection for exposed undercarriage areas.


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2) Order by Phonecall (973) 347-1101

Buy Woolwax Rust Preventative

West Chester Machinery offers WOOLWAX in 3 sizes.

buy woolwax - available in 3 sizes

12oz. aerosol can, 1-gallon can, and 5-gallon bucket


1) Stop by Our Store – Get Directions
2) Order by Phonecall (973) 347-1101

Lanolin based rust preventive and corrosion inhibitor.

  • Auto and truck undercoating
  •  Marine motors
  •  Stop rust on boat trailers and utility trailers
  •  Protect automobile undercarriages
  •  Works great on outdoor power equipment.
  •  Long term lubrication for locks, hinges, garage door tracks, etc.
  •  Lanolin will not evaporate and will last indefinitely
  •  More wool grease (lanolin) in WoolWax® than any competitive lanolin product.

Applications of WoolWax in the Winter Equipment Industry

Snow Plows

WoolWax protects the entire plow, including all electrical connections, pivot points, nuts, bolts chains, cables, and underbody from corrosion. Remaining slick in sub-zero temperatures, WoolWax also helps keep snow and ice from building up on metals and plastics, like plow blades and headlights.


WoolWax penetrates to the base metal, providing a lasting, protective barrier from the corrosive effects of salts, calcium and sodium chloride, pesticides, and fertilizers. Offering an easy “no-drip” application, WoolWax offers a cheaper and more effective alternative to the standard hard-underbody coatings. Protecting undercoatings from metal deterioration. 

WoolWax Undercoating Stops Rust! - Made in the USA

31 WoolWax Facts Everyone Should Know.

by WoolWax

1. What is the difference between Woolwax® and other lanolin film type products?

  • Woolwax® is made from lanolin/wool grease. It contains more wool grease and is more resistant to wash-off than any competitive product. In short…Woolwax® lasts much longer, has almost no smell, very little over-spray because it is thicker, and is available in clear and Black.
  • Made from wool grease (lanolin) which is an excellent corrosion inhibitor and lubricant.
  • Is solvent-free, safe, non-hazardous, environmentally friendly.
  • Has a proprietary process to remove the wool grease smell which can be very strong and some people do not care for it.
  • Is formulated to be more viscous (thicker) than any other lanolin based corrosion inhibitor, thereby being more resistant to road-wash.
  • May need to be warmed up in front of a floor heater in cold weather before applying.

Both products can be easily sprayed with the “PRO” Undercoating Gun from Kellsport Products. Woolwax® being thicker, has much less overspray (misting).

Woolwax® is geared more towards the industrial user, professional undercoaters, or users in areas with heavy amounts of road slush that may want a slightly thicker product for more resistance to wash-off with very little noticeable smell.


2. What is Woolwax®?

Woolwax® is lanolin (wool-wax) based, solvent-free corrosion preventive designed for use on any known metal. Woolwax® has a thixotropic viscosity that allows for a thick and drip-free coating. Woolwax® leaves a soft, grease-like self-healing film that can be applied by brush or spray applicator gun. Woolwax® will not dry out and will penetrate metals to the base, providing corrosion protection in highly corrosive atmospheres like those found in industrial or environmental settings. Woolwax® has proven to be an exceptional vehicle undercoating products.

Applied annually to the vehicle undercarriage, frame, doors, etc., Woolwax® will provide excellent rust protection for any vehicle. Because Woolwax® is solvent-free, there is no evaporation process. Woolwax® coating in protected areas such as doors, frame rails, rocker panels, etc. will provide protection indefinitely (years). The exposed area of the vehicle undercarriage is an annual maintenance application. A Woolwax® treatment in the fall is generally adequate to get the vehicle undercarriage through the winter/salt season. Woolwax® is not a rust remover or converter, however, Woolwax® can be applied over existing surface rust. Woolwax® will form a heavy film and prevent moisture and oxygen from reaching the existing rust. Thereby stopping it on contact. Heavy bubbling or flaking rust should be wire brushed before applying Woolwax®.

3. Does Woolwax® Dry? Or Stay Wet?

Woolwax® does not dry. When applied Woolwax® will create a wet gel-like barrier that moisture and oxygen cannot penetrate. Without moisture and oxygen, there can be no oxidation. because Woolwax® is non-drying, it is always active and migrating into the inaccessible areas of the doors, seams, and folds of the sheet metal, and all the other difficult to reach areas. Woolwax® is very thick and will not wash off easily. An annual application will easily protect your vehicle through the snow/ice/salt season. In the enclosed areas, (doors, frame rails, rockers, etc.) the Woolwax® will provide protection indefinitely (years). It is only the exposed areas of the undercarriage that should be coated annually with Woolwax®.


4. Woolwax® seems very thick. How is it applied?

Woolwax® is very thick. We formulate it to be as thick as possible, yet easily sprayed. Woolwax® is a heavy-duty industrial grade lanolin vehicle undercoating that will survive the harshest weather and provide rust protection longer than any other annual undercoating. Woolwax® is thixotropic and will thicken as it sits. Before applying shake or stir Woolwax® vigorously. In cold weather, it helps to warm up the Woolwax®. This can be easily done by placing the container in a warm area or placing the spray gun bottles in warm water. Woolwax® is best applied using a Woolwax® undercoating gun. These guns are modified specifically for the waxy texture of the lanolin/WoolWax.

Woolwax® can also be painted on surfaces depending on the application.


5. Does Woolwax® have a strong odor?

No. Unlike other vehicle undercoatings, Woolwax® has almost no smell at all. Through a proprietary process, we have neutralized almost all of the strong lanolin/wool grease odor. Also, because there are no solvents, there is no “chemically” smell to Woolwax®.

6. What type of compressor is needed to apply Woolwax®? How much psi?

Woolwax® undercoating guns do not require much pressure. 70 – 90 psi is usually adequate. Sometimes the extension wands require a bit more pressure if it is cold out. Even small compressors generally operate at about 125 psi. More important is the tank size. If the tank is very small, you will be constantly waiting for the compressor to recover. Generally speaking, any compressor with a tank 3 gallons and larger will work fine. If the compressor is adequate for spray painting, it will work fine for vehicle undercoating.

7. Can Woolwax® be applied with an airless spray system?

Yes. We do not recommend airless systems for do-it-yourselfers because of the dangers of very high pressure (2000-3000 psi). That being said, many of our high volume undercoaters do use airless sprayers and the feedback is that they work extremely well with airless spray systems. The recommended tip size for Woolwax® is tip # 213.

8. What color is Woolwax®

Woolwax® is available in a straw color, which appears fairly clear when applied. Woolwax® is also available in black.

9. Where is Woolwax® made?

Woolwax® is manufactured 100% in the U.S.A. The only raw material imported is the wool grease, because it is not available here. Everything other raw material, and the packaging, labels, boxes, tint(black), is proudly manufactured in the U.S.A.

10. Where can I get my vehicle treated with Woolwax®?

We have hundreds of undercoaters throughout the country that apply Woolwax® to customers’ vehicles. Enter your zip code on our website under “Find an Undercoater”. If there is no location near you, consider purchasing one of our Do-It-Yourself kits. All you need is a small compressor. Woolwax® is non-toxic, non-hazardous, and very easy to apply.

11. Is the Woolwax® spray aerosol the same as the bulk product (Gallons, etc.)?

Yes. However, since the can is under extreme pressure, the Woolwax® will spray in a light mist coating. The spray cans are great for general maintenance applications and touch-ups. The aerosols will not provide the same heavy thick coating that the bulk product (gallons, pails, etc.) will. If you are not in a snowbelt state with a lot of long-term road slush, undercoating your vehicle with spray cans will work well. Otherwise, we recommend applying a heavier coating from the bulk container (gallon or pail).

12. What is the shelf life of Woolwax®

The shelf life of Woolwax® is indefinite. There are no solvents, so nothing to harden or evaporate. The aerosol spray cans are guaranteed for (1) year because the propellant can weaken after time.

13. Can Woolwax® be applied with a pump (garden type) sprayer?

No. Woolwax® is too thick to flow through any type of garden sprayer. (We have tried most of them.)

14. How can I thin Woolwax® if it is not flowing through my gun good enough?

Woolwax® is thixotropic and will get thicker as it sits. The first step is to mix it up extremely well. Warm-up Woolwax® by placing it in front of a heater or placing it in warm water. If it still needs to be thinned, you can mix in a small amount of vegetable oil until it is at the desired consistency.

15. Can Woolwax® be applied over existing rust?  My vehicle is older and already rusted.

Woolwax® can be applied over any existing surface rust. Woolwax® will stop the rust from progressing on contact by creating a film barrier that will prevent moisture and oxygen from getting to the base metal. Woolwax® is not a rust converter or remover. Any heavy bubbling or flaking rust should be brushed off before applying Woolwax®.  It is never too late to treat your vehicle with Woolwax®.  It may be rusted, but you can do a great deal to stop the rust from progressing with a good treatment of Woolwax® at the beginning of each snow/ice season.

16. If Woolwax® stays wet, will dirt, sand, grass, and stuff stick to it?

Because Woolwax® is non-drying, Woolwax® will attract an initial coating of sand/dirt. Anything that may adhere can easily be rinsed off with a low-pressure garden hose. Because Woolwax® contains no solvents, it will not become tacky or sticky and create a dirt buildup. Many of our professional Undercoaters advise their customers to drive down a dirt road after Woolwax® application. They say that the outer coating of sand gives the coating an extra layer of protection, and stops salt from sticking to it. Years ago when they used to undercoat with motor oil most people were always advised to drive on a dirt road as soon as possible. There must be something to this strategy, as it is still recommended by many professionals today.

Woolwax® is very thick and does not wash off easily. Anything dirt or salt that may adhere can easily be rinsed off with a low-pressure garden hose.

17. How do I clean the undercoat gun after use?

Our Undercoat guns do not need to be cleaned after use when using with Woolwax®. Woolwax® undercoating is solvent-free, so there is no evaporation or hardening process. The Woolwax® left in the bottle will thicken over time. But you can restore to its original viscosity by shaking vigorously.

Some people do prefer to clean the gun and wands. To do this we recommend just putting some solvent (acetone, mineral spirits, paint thinner, etc.) into one of the bottles and spraying a bit through the gun. Some people just put water and dishwashing liquid into the bottle, and they say that it works fine.

Most people just leave the gun loaded and ready to go without doing anything at all. That way you can do a quick touch-up or spray some outdoor power equipment with almost no setup time.

Bottom line……. Don’t worry about the undercoat guns when using Woolwax®. They won’t clog.


18. How often does my vehicle need to be undercoated?

Woolwax® is an annual maintenance application. A Woolwax® treatment will easily provide protection through even the harshest of winter conditions. Woolwax® is extremely resistant to wash-off. Woolwax® contains no solvents, so there is no evaporation process. In the protected enclosed areas (doors, frame rails, etc.) a single treatment will provide protection for an indefinite period of time (years). The exposed area of the undercarriage should be re-treated annually. There is no need to remove or power wash the existing Woolwax®. Simply give it a rinse with a garden hose to clean it up a bit, and apply a fresh coat right over the existing Woolwax®. Many of our Undercoaters suggest treating vehicles in the warmer weather so that the Woolwax® creeps and migrates into all the inaccessible areas.


19. How long does it take Woolwax® to dry?

Woolwax® works by creating a wet film barrier that prevents oxygen and moisture from reaching the base metal. Woolwax® seals off any existing rust and stops it from progressing on contact. There is no need to wait to use any vehicle or any item that is treated with Woolwax®. It forms a long-lasting film gel barrier to provide protection.


20. If Woolwax® stays wet, won’t it wash off?

Woolwax® is extremely resistant to wash-off because it is so thick. In the enclosed protected areas Woolwax® will last for years. The exposed areas of the undercarriage need to be reapplied annually.
Woolwax® forms a lanolin film barrier on the base metal that moisture and oxygen cannot penetrate. Without these (2) components, corrosion cannot occur. Because Woolwax® does not dry, it is self-healing. If something scrapes it or road debris hits it, the Woolwax® will “gel over” and repair itself.

21. Can I take my vehicle to a car-wash after being treated with Woolwax®?

During the winter salt/snow season we don’t recommend any high-pressure washing of the vehicle undercarriage. A low pressure rinsing with a garden hose will not remove the Woolwax®, as it is very resistant to wash-off. Many car-wash facilities can turn off the undercarriage wash as you go through. Some charge extra for the undercarriage wash to be turned on.  We have many users tell us they regularly take their vehicles to the car-wash during the winter, and it has no effect on the Woolwax® coating. That being said, we still don’t recommend washing the undercarriage during the winter season with any high-pressure systems.

22. Can Woolwax® be used in high heat areas?

No. Lanolin responds very quickly to heat. The flashpoint for Woolwax® is 202° C or 395° F.  It will start to smoke and burn off at 100° C or 212° F.

23. Are there any places that I should avoid when undercoating my vehicle with Woolwax ®

There is not much to avoid. Naturally, try to keep the Woolwax® away from the brake rotors. Woolwax® has a very high flash point (>400°), so in any of the hot areas like mufflers, oil pans, etc., it will just burn off within a few minutes.  Woolwax® works well to protect electrical wiring and electrical connections. Woolwax® is non-conductive.  Make the connection (battery terminals, etc.) and then apply.

Many people have concerns about Woolwax® on rubber materials. Almost everything on an undercarriage is oil resistant. We have had no known issues of Woolwax® having any negative effects on oil-resistant rubber components. We have seen discussions about rubber breaking down and falling through the normal deterioration process. Rubber does dry out, cracks, and fails during its normal life cycle. Some people believe this may be a result of an undercoat application, but more than likely the rubber component has just reached the end of its life cycle through normal deterioration and exposure to vehicle heat and road chemicals.

We have heard of issues with the soft spongy rubber weather strips around the bottom of the door frames. This is an open-cell sponge rubber and is not oil resistant.  There have been reported instances of this type of open-cell soft rubber swelling up when being exposed to lanolin-based products.

There have been no known incidents of Woolwax® having any negative effect on any paint or plastics. If you do get some over-spray to the paint, just rub it in like car wax. There is no need to remove it.


24. How cold is “too cold” to apply Woolwax®?

Do it as early in the season as possible. September/October is ideal. It should be at least in the ’50s for good results. We have mobile Undercoaters that are still spraying in the ’30s, but it takes some work to keep the Woolwax® from thickening. One trick is to heat up a pot of water and let the quart bottles full of Woolwax® float around in it. As the one you are using gets too thick, you can swap it out and put it in the water to warm up. Even in a heated garage, you have that ice cold air coming from the compressor to chill and thicken the Woolwax® in the bottle. The lower temperatures are a challenge, but it can be done. To get the Woolwax® to spray through the extension wands on the Pro-Gun, you may need to boost up the psi to 110-125 psi. 

25. My Woolwax® PRO Gun does not seem to spray well. What can I try?

  • Make sure the Woolwax® has been stirred or mixed very well.
  • If you are having an issue, fill one of the quart bottles with water and try. If it works with water, we know the gun is operating fine.
  • The Woolwax® may need to be warmed in cold weather. Store it inside. Place the container in front of a floor heater for 5-10 minutes if necessary.
  • When the brass nozzle is screwed all the way in, it is in the “closed position”. Nothing will come out. Back the nozzle out at least 1/2 way.
  • Increase the Pressure up to 110-120 psi if necessary. Normal operation is 70-90 psi.
  • Flexible extension wands- In colder weather to warm the Woolwax®, and increase the pressure (110-120psi) to push the Woolwax® through the wands. Do not screw the extension wands in very far on the gun. Screw them in just a turn or two so that the connection is made. Hold the trigger down for a few seconds to give the Woolwax® a chance to flow. The extension wands are generally used in areas that are protected from the elements (doors, frame-rails, etc.). If necessary you can thin the Woolwax® with some vegetable oil to get it to flow through the wands in colder weather.
  • Keep in mind that the very cold air coming from the compressor will cause the Woolwax® to thicken. You may need to switch bottles as they get cold.
  • If you cannot resolve any issues, please just give our techs a call at 888-341-4600. We will take good care of you.

26. Can I apply Woolwax® over what’s left of another undercoating? I had my vehicle undercoated with another product and most of it washed off too quickly, smelled too much, or dripped too much in my driveway/garage.

Yes.  We get this question all the time. Woolwax® (lanolin) is compatible with every other annual maintenance coating that we are aware of.  On non-drying products, the lanolin in Woolwax® will work it’s way to the base metal and provide excellent corrosion protection for long periods. Woolwax® is much more resistant to wash-off than any other non-drying coating, has almost no smell, and is a very viscous non-drop formula.


27. How much Woolwax® does it take to undercoat a vehicle?

A mid-size SUV like a Ford Escape will take about 3/4 gallon. Any full-size pickup will take every bit of 1 to 1 1/2 gallons. It all depends on how aggressive you get with your vehicle undercoating. Some people are satisfied with just shooting the exposed area of the undercarriage. Others want to get every possible area including in the doors, frame rails, rocker panels, etc.   If you use Woolwax® black color, you will use a bit more. Our Undercoaters tell us that when they use black, they are essentially changing the color of the undercarriage and they find themselves going over every little nook and cranny to make sure that it’s black. Most of our Undercoters that use black, will use the Straw(clear) color in the enclosed protected areas. Keep in mind that Woolwax® has no solvents, so there is no evaporation process. That means that in the enclosed protected areas, those areas will be protected for an indefinite time, years.  Only the exposed areas of the undercarriage and wheel wells need an annual application.


28. Is there any difference between the Woolwax® Straw (clear) and Woolwax® Black color?

No difference. Exact the same formulation.  Color should just be a matter of preference. If the vehicle is relatively new, with little rust, we highly recommend the “Straw” (clear) Woolwax®.  It’s a cleaner application and you can see year after year how the Woolwax® is performing (no rust!).  If the vehicle has significant rust and you want to make it look much better, or you just like the “Black Woolwax®”, go for it. It sprays on easily and looks great when applied. Many Woolwax® users will use a combination of the colors. They will use the Woolwax® Black for the bigger exposed/rusted areas, and the Straw color for inside all the protected areas (doors, frame rails, etc.) that cannot be seen. Our Undercoaters tell us that when they use the Black color on a vehicle for the 1st time, they will use about 20%-30% more than they would use in the Straw color. They say that since you are essentially changing the color of the undercarriage, they find themselves going over and over every little brown spec and spot that is not black. After the 1st year, it is not an issue.


29. Can I tint or add something to Straw Woolwax® to make it Black? 

It will not be very colorfast.  We have tried many tint/pigment additives and none held up well. They separate and wash off fairly quickly. Our Woolwax® Black is made as a black product during the extreme heating and cooling manufacturing process. There is nothing to separate as the molecular formulation is black.


30. Should a mask be worn when applying Woolwax®? 

Absolutely. Woolwax® is non-toxic and non-hazardous. However, you should never breathe in any fine spray particulate or any of the dust/salt particulate that comes off the bottom of the vehicle. We recommend any mask that is adequate for any sanding/painting application.


31. Should I apply a rust converter or something similar before applying Woolwax®?

The answer to that is like trying to get a firm answer from a lawyer. Our lab has always taken the position that for the lanolin to embed itself in the pores of the metal, it should be untreated. But they also say that an extra protective barrier to prevent any oxygen or moisture from reaching the metal surface is certainly helpful. So if the rust is just light surface rust most people just apply Woolwax® right over it. Any heavy bubbling rust needs to be brushed off. My own personal opinion, and that of some experienced Undercoaters, is that if the rust is easily accessible, take the extra time to either really brush it clean, or treat it with a converter or something similar. And then apply the undercoating on top of that. It seems to make sense (to me anyway) to treat the existing rust, if it’s easy to get to, and then apply the Woolwax® to prevent additional rust from occurring.



1) Stop by Our Store – Get Directions
2) Order by Phonecall (973) 347-1101

Call West Chestchester Machinery for WoolWax Anti-Rust Products Information.


West Chester Machinery – Your Water Truck, Snow Equipment,
and Construction Supplies Headquarters for Sales, Service, Parts, Installations, & Repairs.

We serve the snow removal and construction industries in NJ, PA, NY, CT, DE, & MD.


West Chester Machinery
278 Old Ledgewood Rd
Flanders, NJ 07836

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Call: (973) 347-1101
Fax: (973) 347-0064

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7:30am to 4:30pm

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