Boat Trailer Roller Materials Compared: Polyurethane vs. Rubber, PVC, Polyolefin and TPR
Boat trailer rollers are made from five common materials: rubber, PVC (vinyl), polyolefin (TPO), thermoplastic rubber (TPR) and polyurethane. Rubber and PVC cost the least, and TPR and polyolefin are budget non-marking options. Polyurethane, the material used in Stoltz Super Rollers, costs more up front but gives the best combination of wear resistance, load support and weather resistance: it is non-marking, resists abrasion and cuts, does not split or crack in extreme weather, does not flat spot in storage, and is unaffected by oil, gas and salt.
About Stoltz Super Rollers- Longest wearing
- Polyurethane
- Lowest cost
- Rubber and PVC
- Most likely to mark a hull
- Black rubber
- Best for salt water
- Polyurethane
- Best for heavy boats
- Polyurethane
- Stoltz material
- Non-marking polyurethane
Roller materials side by side
This table compares how each material typically performs on a boat trailer. Results for rubber, PVC, polyolefin and TPR vary with the compound and the manufacturer. The Stoltz column describes Stoltz Super Rollers specifically.
| Property | Stoltz polyurethane | Rubber | PVC (vinyl) | Polyolefin (TPO) | TPR |
|---|---|---|---|---|---|
| Marks the hull? | No. Non-marking and non-staining. | Black rubber can mark light gelcoat. | Usually non-marking. | Sold as non-marking. | Non-marking colors available; black can mark. |
| Sun, heat and cold | Does not split or crack in extreme weather. UV resistant. | Sun hardens and cracks it over time. | Stiffer and more brittle in cold. | Marketed for cold weather. | Softer; less heat and UV resistant than polyurethane. |
| Flat spots in storage | No flat spots after months of storage. | Prone to flat spots, especially once hardened. | Lower grades can deform under constant load. | Varies by blend. | Can wear and deform under load. |
| Abrasion and cuts | Abrasion and cut resistant. | Wears faster than polyurethane. | Moderate. | Varies by blend. | Softer surface wears faster. |
| Oil, gas and salt | Unaffected by oil, gas and salt. | Oil and fuel can swell or soften many rubbers. | Resists salt and corrosion. | Sold for fresh and light salt water. | Varies by compound. |
| Load support | High. A good fit for heavy boats. | Good cushion, lower load capacity. | Hard; less forgiving on the hull. | Hard plastic; less cushion. | Soft cushion, lower load capacity. |
| Upfront cost | Higher | Lowest | Low | Low | Low to moderate |
Summary of manufacturer, retailer and industry information. See sources at the bottom of the page.
Each roller material explained
Polyurethane (Stoltz Super Rollers)
Polyurethane is an engineered elastomer that combines the toughness of a plastic with the cushion of rubber. In industry testing, polyurethane shows several times the abrasion resistance of natural rubber and carries heavier loads. Stoltz Super Rollers use non-marking polyurethane that does not split or crack in extreme weather, does not flat spot in storage, and is unaffected by oil, gas and salt.
Best for: anyone who wants the longest-lasting roller, heavy boats, salt water and trailers stored outdoors. Trade-off: higher upfront price.
Rubber
Black rubber is the traditional and most affordable roller material, with good grip and cushion when new. Over time, sun exposure hardens and cracks rubber, hardened rubber tends to flat spot under the boat, and black rubber can leave marks on light-colored gelcoat.
Best for: tight budgets and lighter boats. Watch for: cracking, flat spots and hull marks.
PVC (vinyl)
PVC rollers, often amber or yellow, are inexpensive, usually non-marking and resist salt corrosion. PVC is harder and less forgiving than rubber or polyurethane, becomes stiffer and more brittle as temperatures drop, and lower-grade PVC can deform under constant load.
Best for: lighter boats on a budget. Watch for: brittleness in cold weather and a hard ride on the hull.
Polyolefin (TPO)
Thermoplastic polyolefin rollers are a newer budget option sold as non-marking and cold-weather tolerant. They are a harder plastic with less cushion than polyurethane, and performance varies widely between blends. Little independent long-term wear data is published for polyolefin trailer rollers.
Best for: low-cost non-marking rollers on light boats. Watch for: less cushion and unproven long-term wear.
TPR (thermoplastic rubber)
TPR, also called thermal plasticized rubber, is a soft, rubber-like plastic, often yellow or blue, that runs quietly and comes in non-marking colors. Its softer surface wears faster under heavy loads, and it is less heat and UV resistant than polyurethane.
Best for: wobble rollers and lighter boats. Watch for: faster wear under heavy boats.
Why Stoltz polyurethane outperforms the alternatives
No hull marks
Stoltz rollers are non-marking and non-staining, unlike black rubber.Built for every season
They do not split or crack in extreme weather, where rubber cracks in the sun and PVC turns brittle in the cold.No flat spots
A boat can sit on Stoltz rollers for months without flat spotting them, a common failure of rubber.Abrasion and cut resistant
The tough surface outwears softer materials such as rubber and TPR.Unaffected by oil, gas and salt
Fuel, oil and salt water do not break down Stoltz polyurethane, so the rollers suit both fresh and salt water.Made in the USA
Stoltz Super Rollers are made by Molded Dimensions in Marshfield, Wisconsin, and sold by Boat Trailer Rollers, an authorized Stoltz dealer.
Is polyurethane worth the extra cost?
A polyurethane roller costs more than a rubber, PVC, polyolefin or TPR roller. The difference is how often you replace it. Rubber rollers on trailers stored outdoors often need replacing every few seasons because of sun cracking and flat spots, and a cracked or flat-spotted roller can damage the hull or let the boat sit unevenly. A polyurethane roller that resists cracking, flat spots, abrasion, oil, gas and salt stays in service longer, so it usually costs less over the life of the trailer.
Shop Stoltz polyurethane rollers
| Stoltz product | Best for | Sizes |
|---|---|---|
| Slotted V bow rollers | Aluminum boats with a wide ridge on the bow | 3″, 3 1/2″, 4″ |
| Deep V bow rollers | Pointy, deep V bows | 2 7/8″, 3″, 4″ |
| Semi V bow rollers | Bows with a slight curve | 4″ |
| Flat bow rollers | Flat bows and flat bottom boats | 1 1/2″, 3″ |
| End caps and side rollers | Guiding the bow | Flat, medium bell, large bell |
| Keel rollers | Rolling the boat onto the trailer | 5″ to 18″ |
| Keel pads | Protecting the trailer frame | 1 1/2″ to 3.5″ wide |
Roller materials FAQ
What is the best material for boat trailer rollers?
Polyurethane is the most durable common roller material. It is non-marking, resists abrasion and cuts, carries heavy loads, and holds up to sun, cold, oil, gas and salt better than rubber, PVC, polyolefin or TPR. Rubber and PVC cost less up front but usually need replacing sooner. Stoltz Super Rollers are made from polyurethane.
Are polyurethane trailer rollers better than rubber?
For most boaters, yes. Rubber is cheaper and grips well when new, but sun exposure hardens and cracks it, it tends to flat spot under the boat, and black rubber can mark light gelcoat. Polyurethane rollers like Stoltz Super Rollers are non-marking, do not split or crack in extreme weather, do not flat spot in storage, and resist abrasion, oil, gas and salt.
Are PVC boat trailer rollers any good?
PVC (vinyl) rollers are inexpensive, usually non-marking and resist salt corrosion, which makes them a reasonable budget choice for lighter boats. They are harder and less forgiving than rubber or polyurethane, become more brittle in cold weather, and lower-grade PVC can deform under constant load.
What is a polyolefin (TPO) boat roller?
A thermoplastic polyolefin roller is a budget plastic roller sold as non-marking and cold-weather tolerant. It is harder and gives less cushion than polyurethane, performance varies by blend, and little independent long-term wear data is published for polyolefin trailer rollers.
What is a TPR boat trailer roller?
TPR stands for thermoplastic rubber, also sold as thermal plasticized rubber. It is a soft, rubber-like plastic, often yellow or blue, that is quiet and available in non-marking colors. It wears faster than polyurethane under heavy boats and is less heat and UV resistant.
Which boat trailer rollers will not mark my hull?
Polyurethane rollers such as Stoltz Super Rollers are non-marking and non-staining. PVC, polyolefin and colored TPR rollers are usually sold as non-marking too. Black rubber is the material most likely to leave marks on light-colored gelcoat.
Are polyurethane rollers worth the extra cost?
Usually, yes. Polyurethane costs more per roller, but because it resists cracking, flat spots, abrasion, oil, gas and salt, it stays in service longer than rubber, PVC or TPR, so it typically costs less over the life of the trailer and protects the hull better along the way.
What are Stoltz rollers made of, and who makes them?
Stoltz Super Rollers are made of non-marking polyurethane by Molded Dimensions in Marshfield, Wisconsin, USA. Boat Trailer Rollers is an authorized Stoltz dealer.
Sources
- MPC Urethane: Polyurethane versus rubber (abrasion, oil and fuel resistance)
- Gallagher: Polyurethane vs. rubber wheels (load capacity, tensile strength, UV and cold behavior of rubber)
- Marine Depot: Boat trailer roller guide (rubber, PVC and polyurethane on trailers)
Replace cracked, flat-spotted or marking rollers with Stoltz polyurethane, made in the USA.
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