Using a Snow Blower on an Asphalt Driveway

A snow blower is one of the gentlest ways to clear an asphalt driveway, as long as it's adjusted properly. Most scuffs and gouges come from a steel scraper bar dragging on the pavement, worn or missing skid shoes, or a machine digging into soft spots and loose edges. Set the skid shoes so the scraper bar rides just above the surface, consider poly or nylon shoes, take it easy along edges and cracks, and be extra gentle on asphalt in its first season. Do that, and your snow blower should leave the driveway in the same shape it found it.

Snow plow damage → Does salt damage asphalt? →

How Snow Blowers Can Mark Asphalt

• Scraper bar contact. The metal bar along the bottom of the housing can scrape lines into the surface if it's set too low.
• Metal skid shoes. Steel shoes can leave scuffs or gouges, especially on softer asphalt.
• Single-stage paddles. On single-stage machines, the rubber-edged auger touches the ground to pick up snow. That's usually fine on smooth, sound asphalt but can scuff rough, worn, or brand-new surfaces.
• Catching edges and cracks. The front edge can snag on raised cracks, patches, or crumbling edges and chip them.
• Throwing debris. Gravel and loose chunks can be picked up and thrown.

Setting Up a Snow Blower on Asphalt Driveway Surfaces

Adjust the Skid Shoes

On two-stage and three-stage machines, the skid shoes on each side of the housing control how high the scraper bar sits.

1. Park on a flat, hard surface with the engine off.
2. Check that the tires are evenly inflated, if your machine has air tires.
3. Put a thin shim, like a piece of wood or paint stir stick, under the scraper bar along its length.
4. Loosen the skid shoe bolts, let the shoes rest on the ground, and tighten them back up.
5. Remove the shim.

How big a gap? Recommendations vary. Some owners go with about 1/8 inch on smooth paved surfaces, while others use more on uneven pavement. Your owner's manual is the best guide. A small gap keeps the bar off the asphalt while still clearing most of the snow.

Consider Poly or Nylon Shoes

Replacement shoes made of polymer or nylon glide more smoothly and are less likely to mark pavement than steel. Roller-style shoes are another option on some models.

Check Wear Parts

Worn shoes and scraper bars can have sharp edges. Inspect them before the season and flip or replace them as needed.

New Asphalt Needs Extra Care

Fresh asphalt stays softer for months, and that's especially true in its first winter. To be safe:

• Raise the scraper bar a bit higher than usual
• Avoid turning the machine sharply in place
• Watch for marks and readjust if you see them

This post on tire marks in new asphalt explains why young pavement scuffs so easily.

Tips for Clearing Snow Without Damage

1. Clear before it packs. Blowing fresh snow is easier than chipping at packed ice.
2. Leave a thin layer. Don't try to scrape down to bare pavement. Let the sun or a light touch of ice melt handle the last bit.
3. Go slow near edges. Driveway edges are often the weakest part. Keep the housing from dropping off the side.
4. Mark the edges. Driveway stakes help you stay on the pavement and away from the lawn, which can clog the machine with sod and gravel.
5. Clear debris in the fall. Pick up rocks, sticks, and newspapers before the first snowfall.
6. Mind cracks and patches. Raised cracks can catch the housing. Filling them before winter helps.

Snow Blower vs Plow vs Shovel

Method	Risk to asphalt	Notes
Shovel	Low	A plastic blade is gentlest
Snow blower	Low when adjusted	Set shoes, go easy on edges
Plow truck	Higher	Steel blades can gouge; use shoes or poly edges

If a plow service clears your driveway, our snow plow damage guide has tips to share with them.

Safety Reminders

Snow blowers cause serious hand injuries every winter. Never clear a clogged chute or auger with your hand. Shut the engine off, wait for all moving parts to stop, and use the clearing tool that came with the machine, since stored tension can spin the impeller even after the engine stops. Refuel outdoors with the engine off and cool, and follow your owner's manual.

Spring Check

When the snow melts, walk the driveway and look for scuffs, chips along edges, and any cracks that opened up over winter. Fill cracks once temperatures allow, and repair chipped edges before they spread. Our asphalt repair guide covers the options.

Bottom Line on Using a Snow Blower on Asphalt

A snow blower on an asphalt driveway is safe when it's set up well. Adjust the skid shoes for a small gap, swap to poly shoes if you can, go easy on edges, and give new asphalt extra care. Your driveway will come through winter without a scratch.