How To Smooth Out Driveway Patch Repair

Driveways aren't just for cars. Many of the 75 million driveways in the U.S. exercise double duty every bit play areas and convenient workspaces for all kinds of projects. Merely an increasing number of driveways are showing their historic period: cracks, heaving, spalling and other signs of distress. Many of these surfaces can be renewed with the procedures while others must be replaced.

Although 90 percent of driveways in the United States are either asphalt or concrete, there are a number of other options including crushed stone, gravel, cobblestone, and interlocking concrete pavers in a variety of patterns. Prices range from $one per foursquare foot for stone and gravel to $xiii or more than for cobblestone paving.

To make your conclusion easier, nosotros'll lay out the pros and cons also every bit costs for each of the four major driveway materials, and include a few of our own recommendations. But outset, nosotros'll item repair methods for concrete and asphalt to help you make the driveway (and basketball game court/outdoor workshop) final as long as possible.

Tips for Physical Driveway Repair

Even if your driveway is an area of puddles and potholes, it pays to explore repairing information technology outset, DIY. It's a simple thing of dollars. For case, an cobblestone topcoat costs about $2 per square foot - roughly a third of the tab for a complete driveway redo that includes soil prep, gravel, and two coats of asphalt.

Repairing a Aging Driveway

If your driveway is crumbling or has heaved or subsided in a major fashion, then your all-time choice is to replace information technology. The same applies if it'due south allowing water to seep into the subsoil around your domicile. Only often the problem is just cracks, which let in water that erodes the driveway base and allows freezing temperatures to practice farther impairment.

Fixing Driveway Cracks

Virtually any size crack can be patched with concrete or common cold-patch asphalt, depending on your driveway type, or with some very effective specialty materials.

Clean small cracks and holes of plants and debris, then hose them make clean and spray them with weed killer. Effective patching products for cracks up to 3/eight in. wide include UGL's Masonry Crack Filler ($3 a tube), Ardex'due south A-300 ($47 for a large purse) and Quikrete's Physical Crack Sealer ($6.50 a quart). For holes or cracks larger than 3/viii in., use either Concrete Repair ($two.l per quart) or Vinyl Concrete Patcher ($4.fifty per half gallon), both from Quikrete. Or, you lot can only mix physical and utilize it with a trowel.

Repairing Large Holes in Your Driveway

To fix large holes and deep cracks, fill them with gravel to within 4 in. of the surface, cascade in physical, tamp with a magnesium float and finish with a flat trowel or broom to match the existing end. However, the larger the patch, the shorter its longevity—winter freeze/thaw cycles that exert pressure of thirty,000 psi tin brand brusque work of big repairs.

Later on patching, remove any spots with a specialty cleaner, such as Quikrete's Physical and Asphalt Cleaner ($four.l a quart). So seal the repair to go along water out. UGL's Concrete Sealer ($13 a gallon, which treats 400 sq. ft.) is an affordable option. The home-brew version: a 50-fifty mix of linseed oil and mineral spirits. Simply go along in mind this sealer darkens the concrete.

Tips for Cobblestone Driveway Repair

As with concrete, make clean cracks of plants and droppings, hose them clean and spray them with weed killer. And so do your patching when temperatures are at least 60°F so the repair cloth will cure. Fill 1/2-in. cracks with sand to within 1/iv in. of the surface, then add together an asphalt filler, such as Quikrete's Blacktop Repair ($two a quart) or UGL's Driveway Crevice Filler ($three a tube). An alternative is Dalton's Pli-Stix, a rope-like crevice and joint sealer you melt in place with a torch.

For holes i to 2 in. wide, use Dalton'due south Tamp & Set Patch ($9 for 3 1/2 gal.) or Trowel & Spread Patch ($half dozen per gallon). You tin also mix sand and blacktop sealer until potent and apply information technology with a trowel. Wearable gloves and utilize mineral spirits for cleanup.

For deeper holes, pour in gravel to within 4 in. of the surface, then trowel in Dalton's Super Patch ($7 per gallon). Or, shovel in cold-patch asphalt in ane-in. layers, packing each firmly as you get with the end of a 4X4 or the head of the sledgehammer.

Finish by sealing your asphalt driveway after patching and every other yr thereafter. A 5-gal. pail of sealer ($9 to $16) will cover effectually 300 sq. ft.

What to Know Most Replacing a Driveway

Large areas of concrete tin can't be resurfaced reliably, so your contractor will have to interruption up the old slab and pour a new 1.

For cobblestone, the contractor can merely apply a base and finish coat over the existing asphalt. All cracks should be treated with weed killer and filled, and the driveway should be graded if it's non draining properly. The surface layer of asphalt should exist a consistent 1 1/2 in. throughout - which could require some digging around door openings and garage thresholds.

Hiring a Pro

Every bit with all professional work, a new driveway is as good as the contractor who puts it in. Check with your neighbors who have had driveway work done. You can also observe a qualified pro through a local masonry or cobblestone supply house. Or bank check the yellow pages under "Paving Contractors" and "Asphalt and Asphalt Products." Then ask to inspect driveways they completed four or five years ago to encounter how they held up. Look for cracking and heaving, which indicate poor soil preparation or drainage.

In one case you've chosen a pro, be sure the contract guarantees the piece of work for at least two years. It should also stipulate a payment schedule with no more than a third of the full up front and a clause ensuring that your backyard will be restored to pre-construction condition. The contract should also include:

For a new asphalt or concrete driveway installed where none existed, a compacted gravel layer 8 to 10 in. deep of 3/4-minus gravel (no stone is bigger than 3/4 in.). If the soil is unstable, a netlike geotextile fabric may be required beneath the gravel, every bit may drain tile - 4-in. perforated pipe that drains the perimeter of the driveway.
For any physical driveway, a slab (at least 5 in. thick) fabricated of 4,000-psi, air-entrained concrete that's reinforced with wire mesh or rebar; the slab should be thicker if you lot have heavy vehicles. In cold climates where road common salt is used extensively, some contractors, concerned it will corrode in the concrete over fourth dimension and create voids that lead to fracturing, omit the steel reinforcing.
For new and existing asphalt, two layers: The first should exist a ii 1/2-in. base layer of asphalt containing 1/2 to 3/4 in. of stone, the second a 1 ane/ii-in. topcoat containing 3/eight in. of stone. Total cobblestone depth should be at least 3 i/2 in. - thicker if you have heavy vehicles.

Driveway Surface Options

Concrete driveways

A concrete driveway leading up to a detached garage.

What's out there: Choices include plain concrete; concrete colored with pigments or acid-staining; colored and stamped concrete that mimics stone; and exposed amass that allows the top layer of textured gravel to show through.
Pros: Long-lasting. Depending on the weather, exposure to road salt and subsoil grooming, concrete should final at least xv years and often more than l years with biannual sealing and proper drainage. Precise border treatments are a snap; its smoothen surface is ideal for basketball and makes snowfall removal easy.
Cons: Yous'll have to wait seven days for the physical to cure before driving on it. Cracking is inevitable—peculiarly in freeze/thaw atmospheric condition—and repairs stand up out. Concrete can't be re-layered like asphalt, and should exist sealed every two years. The finish can vary widely depending on the installer. Oil stains are tough to remove, colored concrete fades over time. Because concrete cracks when not supported, poor drainage and unstable soil can reduce life span to just five to eight years.
Cost: $3 to $4 per foursquare pes for a plain concrete slab and $5 for pigmented concrete, $7 for exposed aggregate and $viii for an acid-etched terminate. If you're putting in a driveway where none existed, add $i to $2.fifty per square pes for an viii- to 10-in. gravel bed beneath the concrete.
Recommendations: Be sure any bedding or gravel base, including a pulverized slab, is compacted and the footing well-tuckered. A new gravel base should be three/four-minus gravel and 8 to x in. deep. After the concrete is poured, to prevent cracking, use a sprinkler to keep concrete moist every bit it cures.

Asphalt driveways

A newly installed asphalt driveway, wet with rain.

What's out there: Choices include evidently hot-mix asphalt; chip seal with gravel pressed in for texture; pattern-stamped asphalt; and acrylic polymer colors.
Pros: Resists cracks, because it flexes with minor footing movement. Asphalt is piece of cake to contour, and usually lasts 15 to 20 years when properly maintained. Topcoats can oftentimes exist applied over existing layers.
Cons: Getting straight, clean edges is difficult. Asphalt can deteriorate in as little as five years without proper drainage, and should be resealed every two years. Burdock and other plants tin can grow through information technology, breaking it up.
Cost: Prices vary considerably past region. Figure on $one to $2.l per square pes for the base glaze. Geotextile and drains cost extra. Then add $1 to $two.l per square foot for a plain topcoat, about $3.50 for chip seal or $iii to $5 for a stamped or colored topcoat. If you're putting in a driveway where none existed, add $ane to $2.50 per square foot for an viii- to x-in. gravel layer below the cobblestone.
Recommendations: Retrieve that an cobblestone topcoat is simply every bit good as the base of operations and lasts longest with proper drainage. Have a soil sterilizer practical beneath a new gravel layer to impale weeds. And utilise a latex sealer every 2 years to keep out water and ameliorate appearance.

Crushed rock and gravel driveways

A victorian house with a stone gravel driveway.

What's out at that place: Choices include crushed shale, granite, limestone and concrete, along with gravel in various sizes and colors.
Pros: Both stone and gravel are economical and both offer skilful freeze/thaw resistance. No base is required—just dump and spread. And when rock or gravel compacts or scatters, adding a fill up coat of pea gravel, called redressing, is easy.
Cons: Stone and gravel besprinkle easily and develop ruts. Likewise, smaller stones, or fines, tend to sink later on four or 5 years, leaving larger stones on top. Periodic redressing is a necessity. Both materials are hard to plow or shovel in snow climates, and adjoining areas typically require a spring raking.
Cost: Crushed stone and gravel costs around $1 per foursquare pes for a 2-in. layer.
Recommendations: When a fill glaze of pea gravel is necessary to fill in ruts, exist certain to redress the entire driveway for consistency since stone size and color can vary depending on the source. For new gravel driveways, apply 3/4-minus stone for stability. Depth required ranges from 1 1/two in. for stable soil to 6 to 8 in. for unstable soil.

Pavers and cobblestone driveways

What'due south out there: Pavers come in a broad range of shapes and patterns, from unusual ones like trefoil and anvil to mutual designs similar bow tie, keyhole and hexagon. Cobblestone, or Belgian cake, is more traditional and comes only in a rectangular shape.
Pros: Lots of choices for pavers. Cobblestones hands final 100 years, pavers somewhat less depending on soil preparation and drainage. Stained and broken pavers are easy to replace, as are individual cobblestones.
Although cobblestones tend to trap ice and snow, removing both is easy with pavers if they're properly installed.
Cons: Pavers are relatively expensive, and cobblestone tops the cost spectrum. Installation requires conscientious excavating and preparation. Pavers and cobblestones tin settle unevenly if sand layer over gravel base of operations compacts, while the wide joints betwixt cobblestones invite weeds and grass.
Price: From 50 cents to $i.l each for pavers, or $6 to $x per foursquare human foot installed with bed preparation depending on the intricacy of the design. For asphalt, figure on about $13 per square foot.
Recommendations: Visit a four-yr-old chore and check for settling before hiring a contractor. Be wary of landscapers installing pavers or cobblestones as a sideline—specialized skills are required. Remember that these surfaces are only equally good as the compacted sand and crushed stone they're laid on. Insist on compacted subsoil, a x-in. layer of 3/4-minus gravel and a one 1/2-in. layer of fibroid bedding sand with compaction between layers. Cobblestones are laid upward similar brick, but pavers require a plastic retaining edge. The main supplier is Pave Edge ($2 per human foot).

Where to Find information technology:

Ardex Inc.
1155 Stoops Ferry Rd., Dept. TH998
Coraopolis, PA 15108
888-512-7339

Dalton Enterprises
131 Willow St., Dept. TH998
Cheshire, CT 06410
800-851-5606

Increte Systems
8509 Sunstate St., Dept. TH998
Tampa, FL 33634
800-752-4626

Interlocking Concrete Pavement Institute: Offers how-to installation guide for pavers
1444 I St. NW, Suite 700, Dept. TH998
Washington, DC 20005-2210
703-450-4998

Pave Tech Inc.: Offers how-to installation guide for pavers, and sells a full range of equipment
P.O. Box 31126, Dept. TH998
Bloomington, MN 55431
800/728-3832

Thompson's Co.
Box 647, Dept. TH998
Olive Branch, MS 38654
800-367-6297

Quikrete
2987 Clairmont Rd., Suite 500, Dept. TH998
Atlanta, GA 30329
800-282-5828

United Gilsonite Laboratories
Box lxx, Dept. TH998
Scranton, PA 18501-0070
800-845-5227