How to Prevent Your Snow Blower from Throwing Rocks on a Gravel Driveway

Tired of your snow blower pushing and tossing rocks from your gravel driveway? Learn the best technique to protect your driveway and avoid potential damage.

Snow blowers are a game-changer for property management and maintenance in the winter months, but they’re not always straightforward to use with snow on gravel. Unlike paved surfaces, gravel presents a unique challenge: larger rocks can get scooped up and flung by the blower, potentially causing damage to property, windows, vehicles, or nearby structures. It’s also dangerous for anyone in the vicinity.

Fortunately, you can minimize the risk of rock-throwing with a combination of careful setup and proper technique. Here’s how to use your snow blower on a gravel surface while protecting your property and staying safe:

1. Adjust Your Snow Blower’s Skid Shoes

When using your blower on gravel, one of the most effective ways to prevent picking up and flinging stones is to tweak the adjustable skid shoes. 

Skid shoes (or skid plates) are the small, flat components located at the bottom front of the machine that help lift the front slightly off the ground. On gravel driveways, this adjustment can make all the difference.

• Raise the scraper blade above ground level: Adjust the skid shoes so the scraper blade and auger height is enough to keep the machine from scooping up loose gravel or larger rocks.
• Set the right blade and auger height: For most gravel driveways you don't want the blade on gravel, you want the blade height to be above the gravel drive, a gap of about ½ inch to 1 inch of clearance between the scraper blade and the ground is usually sufficient. This height allows snow to be cleared effectively while keeping gravel displacement to a minimum.
• Check regularly: Over time, skid plates can wear down or shift out of position. "Damage to [skid shoes] can cause performance issues and could lead to surface damage," shared Wes Bollingmo, channel and product support manager at Toro. "When properly maintained, a quality snow blower can last decades."

Regular inspections and adjustments are easy to do yourself and reduce the risk of gravel getting caught in the machine and causing equipment damage.

2. Master the Right Technique

Your snow removal process also plays a role in preventing rocks from being flung. Using the right technique not only protects your driveway surface but also makes your snow-clearing process more efficient.

• Blow snow in layers: Instead of trying to do all the snow removal in one pass, a traditional method is to make multiple passes, gradually working down to the gravel. This method reduces the chance of the scraper blade digging into loose stones.
• Avoid rushing: Moving too quickly can cause the snow blower to dig into uneven surfaces, increasing the likelihood of picking up rocks. Use a steady, controlled pace.
• Adjust direction carefully: Always angle the discharge snow chute away from areas where flying debris could cause damage, such as windows, cars, or pedestrians.

3. Use a Single-Stage Snow Blower with Caution

If you’re using a single-stage snow blower, be aware that it’s less suited for gravel driveways compared to a two-stage model. A single-stage blower has a minimal scraper bar and usually doesn't have adjustable skid plates. This means the cutting edge makes almost direct contact with the ground, increasing the risk of rocks being picked up.

If a two-stage snow blower isn’t an option, you can still use a single-stage model on gravel by taking extra precautions:

• Adjust the machine to its largest height setting if possible.
• Operate slowly and carefully, keeping an eye out for exposed gravel.
• Use a rubber paddle kit, if available, to minimize contact with the ground.

Additional Tips

To make removing snow on gravel driveways safer and easier, consider these practical solutions:

• Mark the driveway edges: Use driveway markers to outline the path you’ll be clearing. This helps you avoid veering off course and picking up unnecessary rocks.
• Wait for a good compacted snow base: Avoid clearing snow when there’s only a light dusting. A layer of packed snow provides a buffer between the blower and the gravel.
• Spread sand or salt after clearing: Once the snow is removed, spread sand or rock salt to improve traction on the gravel and prevent ice buildup.

Can an Electric Snow Blower Outlast a Gas Snow Blower?

It’s possible. "Like most pieces of equipment, how well the owner maintains it throughout the year will determine how long it keeps working," share experts at Toro.

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Can you use a snow blower on a gravel driveway without causing damage?

Yes, you can easily do driveway snow removal safely by adjusting the skid shoes to keep the auger elevated, using a two-stage model, and adopting the proper snow-blowing technique. These steps help prevent rocks from being picked up and flung while clearing heavy snowfall. If you accidentally dig in and displace a lot of the gravel, grab a garden rake or landscape rake and smooth them back out to reduce the risk of hitting that low spot the next time.

How to Choose a Snow Blower For a Gravel Driveway

You need enough power to clear the heavy snow but without flinging gravel stones across your yard. Is a gas-model or electric powered more suitable?

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What’s the difference between single-stage and two-stage snow blowers when it comes to a stone driveway?

Single-stage snow blowers contact the ground directly, making them more likely to pick up gravel. Two-stage models, on the other hand, are equipped with adjustable skid shoes that raise the front, making them better suited for gravel surfaces. If you have a gravel driveway, a two-stage snow blower is usually the safer choice.