Driveway Apron Maintenance: What to Do Each Season

The driveway apron is the entrance section of a drive: the short stretch where your driveway meets the road. "Apron" is mainly a US term; in the UK you will more often hear about the dropped kerb or vehicle crossover, the part that crosses the pavement or grass verge. However you name it, this small area takes more punishment than the rest of the drive. Every car turns, brakes and accelerates across it, water running along the road gutter collects at its edge, and in winter it catches the salt and slush thrown up by gritters and passing traffic.

Before you start any work, find out who owns which part. In the UK, the section that crosses the pavement or verge usually belongs to the highway authority, so if the dropped kerb or crossover is cracked, sunken or broken, report it to your council rather than repairing it yourself; your responsibility normally starts at your boundary. In the US, the apron may sit partly in the public right of way, so check with your city or county who is responsible for it and whether you need a permit before repairing or replacing it. The seasonal routine below applies to the part that is yours, and the checks help you spot problems worth reporting on the part that is not.

1. Spring: wash off winter and look for movement

Spring is when the apron shows what winter has done to it. The first job is to get rid of the salt, grit and road grime that have built up at the entrance. Left in place, salt residue keeps working on the surface and can contribute to spalling, where the top layer of concrete flakes and pits, or to a rough, open texture on asphalt.

Sweep up loose grit first, then rinse thoroughly with a hose. If you use a pressure washer, choose a low setting and a fan nozzle, keep the wand moving and follow the surface manufacturer's or installer's guidance; too much pressure close up can etch concrete, strip the fine stones from asphalt and blow sand out of paving joints. Keep washings out of road drains as far as you can.

Once the surface is clean and dry, look specifically at how the apron sits against its neighbours:

• Where it meets the driveway: has one side lifted or dropped? Frost heave and settlement often show as a step at this joint.
• Where it meets the road or kerb: is there a lip that catches tyres or a gap that has opened up?
• New or wider cracks: anything wider than about 6 mm (¼ in), or any crack where one side is higher than the other, is worth dealing with before spring rain carries water into the base below.
• Sunken patches: a dip near the road edge often means water has been getting underneath and washing out the base.

Take photos so you can compare from year to year, and if the damage is on the highway side of your boundary, use them when you report it.

2. Summer: repairs, sealing and weeds

Warm, dry weather gives fillers and sealers the best chance to cure, so summer is the time for small repairs on your own section. Clean narrow cracks out with a wire brush and fill them with a flexible crack filler made for your surface, concrete or asphalt, following the label on temperatures and drying times. Fine hairline cracks are often cosmetic; wide, deep or uneven cracks point to a problem underneath and are better looked at by a contractor.

Sealing helps the surface shed water, oil and salt. Use a sealer suited to your surface, following the label: asphalt aprons are usually treated with a sealer made for asphalt, while concrete generally takes a penetrating sealer such as a silane or siloxane product. Avoid coal-tar sealers, which are restricted in some areas for health and environmental reasons. There is no fixed timetable; reseal every few years, as the product label advises, or when water stops beading on the surface. Seal only on your side of the boundary, and keep traffic off until the product has fully cured.

Summer is also when weeds push into joints and along the edges. Roots work like small wedges, opening cracks and loosening paving. Pull them out by hand or with a weeding knife where you can. If you use a weedkiller, follow the label closely and keep it well away from road gullies, ponds and watercourses, since the apron drains straight towards the street.

Tip: Watch the apron during a heavy summer downpour. Seeing where water runs, stands or disappears under the edge tells you more about its drainage than any dry-day inspection.

3. Autumn: keep the water moving

Autumn work at the entrance is about drainage. Leaves and twigs collect where the apron meets the road gutter, and once they block the channel, water stands against the edge of the apron and soaks into the base just before the frosts arrive. Wet leaves left on pale concrete can also stain it.

• Clear leaves, silt and litter from the apron weekly while trees are dropping, paying particular attention to the gutter line and any channel drain across the entrance.
• If a road gully near your entrance is blocked, report it to the council rather than lifting the grate yourself.
• Check the joint between the driveway and the apron. If the flexible filler has dried out, shrunk or come away, rake out the old material and refill it with a joint sealant suited to your surface, using a foam backer rod in deeper gaps. The joint where your apron meets a council-owned crossover or road is part of the highway side, so report problems there instead.
• Check the shoulders, the soil along the sides of the apron. It should be firm and sit slightly below the paving so water runs off the edge instead of soaking under it. Top up and firm any soil that has washed away.

4. Winter: clear gently and choose de-icers carefully

The edge of the apron is where shovels and plough blades most often catch, chipping concrete and tearing the edge of asphalt. Use a plastic shovel or one with a rubber edge, and push snow rather than chopping at ice. If someone clears your drive with a plough, ask them to raise the blade slightly or use a rubber or poly edge, and to take care at the lip where the apron meets the road.

Avoid shovelling snow from the drive into the road or the gutter; it blocks drainage, and in many places it is not allowed. The bank of slush left by snowploughs or gritters across the entrance is heavy and salty, so clear it promptly once it is safe to do so.

De-icers need care. Avoid rock salt on new concrete and near metal such as channel drains and gate fittings, and avoid de-icers containing ammonium compounds, which can attack concrete. Calcium chloride and magnesium chloride work at lower temperatures than rock salt, but they are still chlorides that can harm concrete, metal and nearby plants, so they are not a harmless alternative. Choose a product your installer or the surface manufacturer approves, use the smallest amount that works and follow the label. Sand gives grip without chemicals; sweep it up in spring so it does not wash into the drains. Products sold as "pet-safe" vary, so check the label rather than relying on the claim.

5. Care by material

Concrete

Concrete is strong but vulnerable to salt and freeze-thaw scaling. Keep it sealed, keep the joints filled so the slab can move with temperature changes, and deal with flaking early. If the surface has started to pit, ask a contractor whether a concrete resurfacer is suitable.

Asphalt

Asphalt is flexible, but the sun dries and greys it over time, and a dry, brittle surface cracks more easily. A fine web of cracks that looks like crocodile skin, often called alligator cracking, usually means the base underneath is failing. Surface sealing will not fix that; it needs a contractor.

Block paving and setts

For paved aprons, the joints do the work. Check each year for sunken blocks, rocking setts and empty joints. Re-sand or refill joints with the jointing material your installer recommends, following its instructions, and avoid aiming a pressure washer straight into the joints.

6. Structural health and when to call a professional

The apron is a short ramp that takes the full weight of every vehicle turning into the drive, so problems in its base show up quickly. Keep an eye on the overall fall. The drive should shed water away from the house. If the apron or the drive behind it has started to tilt towards the garage or house, so that rainwater runs towards the building, have it assessed by a driveway contractor or surveyor promptly, as water directed at the house can cause damp and damage to the foundations.

Several repairs are jobs for a professional rather than a weekend project:

• Lifting a sunken concrete slab by mud-jacking or foam levelling, where material is pumped under the slab to raise it.
• Hot-pour crack sealing for wide or numerous cracks in asphalt.
• Cut-and-patch repairs, where a failed section is cut out, the base rebuilt and new surfacing laid.
• Anything on the highway side of your boundary, which is for the highway authority or, in the US, may need a permit.

If you are planning a new or wider entrance, remember that in the UK a new dropped kerb needs the council's permission, and a new or replacement hard surface of more than 5 m² in a front garden in England generally needs planning permission unless it is permeable or drains to a permeable area. In the US, check local permits and any HOA rules. Either way, check with your local authority first.

FAQ

How often should I seal my driveway apron?

Every few years, as the product label advises. Entrances that take a lot of road salt or heavy traffic may need it more often. When water stops beading on the surface, it is usually time for a fresh coat.

Can I use a pressure washer on my apron?

Yes, with care. Use a low setting and a fan nozzle, keep the wand moving and follow the surface manufacturer's or installer's guidance. Avoid pressure washing new concrete or freshly filled joints, and do not hold a narrow jet close to asphalt or paving joints.

What is the best way to fix a crack in my apron?

Narrow cracks, up to about 6 mm (¼ in), can usually be cleaned out and filled with a flexible crack filler made for your surface. Wider cracks, cracks where one side has dropped, or widespread alligator cracking need a contractor. If the crack is in a council-owned crossover, report it instead.

Why is my apron sinking where it meets the street?

Usually because water is getting underneath and washing out the base, often from a blocked gutter, a failed joint or soft shoulders. It needs a professional to stabilise the base. If the sinking is in the dropped kerb or pavement crossing, it is normally the highway authority's job, so report it.

Are de-icing chemicals bad for my apron?

They can be. Rock salt is hard on concrete and metal, and chloride-based alternatives are not harmless either. Use sand for grip where you can, and when you need a de-icer, pick one approved for your surface and use as little as possible, following the label.

Final thoughts

The apron is a small area, but keeping it clean, sealed, well drained and gently treated in winter protects the entrance that every journey starts from. Know which part is yours, look after it season by season and report problems on the highway side early. For the rest of the drive, follow our seasonal concrete driveway maintenance routine or the gravel driveway version, and if you are weighing up a new surface, compare the pros and cons of a paver driveway. For help planning the front garden and outdoor spaces, explore our balcony and terrace decoration service, or book a consultation with a designer.