How to Seal a Driveway

6 steps 8h 0min Intermediate From $32.44

Sealing a driveway extends its life by 5-10 years and costs about $100 in materials vs $400-500 for a pro. The work is mostly cleaning — once it's clean, the actual sealer goes on like paint with a squeegee or spray. A weekend project on a typical 2-car driveway.

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Step-by-Step Instructions

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Step 1: Check the weather (no rain for 24 hours)

Sealer needs 4-8 hours to cure dry to the touch and 24-48 hours to fully bond. Rain within that window washes uncured sealer off the driveway. Temps above 50°F overnight required.

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Check forecast — 48 hours of dry weather required

Plan around the weather. Spring and fall are ideal — temperatures in the 60-80°F range. Avoid hot summer (sealer skins too fast) and winter (won't cure).

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Surface temp must be 50°F+ overnight

Cool spring days are tricky. Surface temp matters more than air temp; pavement holds cold longer than air. Touch the driveway — if it feels cold, wait.

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Step 2: Clean the driveway with a pressure washer

Sealer won't adhere to dirty surfaces. Pressure-wash the entire driveway, paying extra attention to oil stains. Let dry completely (12-24 hours) before sealing.

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Sun Joe SPX3000 pressure washer

Electric, 2030 PSI — plenty for driveway cleaning. ~$150-180.

$165 one-time View Details
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Rent a pressure washer (Home Depot, $40/day)

Better than owning if you only seal once every 3-5 years. Larger commercial pressure washers (3500 PSI) clean faster.

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Krud Kutter Oil Grabber for stubborn oil stains

Pretreat oil stains before pressure-washing. Lifts oil out of the asphalt. ~$10-15.

$12 View Details
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Step 3: Fill cracks (under 1/2 inch) and patch holes

Cracks under 1/2" wide get filled with asphalt crack filler from a caulk-style tube. Larger holes need cold-patch asphalt mix. Let crack filler cure 24 hours before sealing.

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Latex-ite Pli-Stix crack filler (rope form)

Stretch into the crack, heat with a torch to melt — bonds permanently. Best for cracks 1/8 to 1/2 inch. ~$25-35.

$1.00/use $30 for 30 View Details
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Liquid asphalt crack filler (squeeze tube)

Easier than the rope form, no torch needed. Less durable but acceptable. ~$8-12 per tube.

$1.00/use $10 for 10 View Details
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Sakrete U.S. cold patch asphalt repair

Bigger holes (1" deep+). Pour in, tamp down with a 2×4. ~$20-25 per 50 lb bag.

$0.44/use $22 for 50 View Details
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Step 4: Pick a driveway sealer

Asphalt-emulsion sealer is the standard — water-based, easy clean-up. Coal-tar sealer is more durable but is being phased out in many states for environmental reasons. Latex-ite makes the most-recommended premium sealer.

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Latex-ite Optimum Driveway Sealer, 4.75 gal

Premium asphalt emulsion. Covers 400 sq ft per pail. Lasts 5+ years. ~$30-40 per pail.

$35 View Details
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Henry 200 Aqua-Brite driveway sealer

Mid-tier. Acrylic emulsion, dries to dark finish. ~$22-30 per pail.

$26 View Details
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Black Jack Drive-Maxx 1000 sealer

Budget pick. Filler-grade — works but won't last as long. ~$18-22 per pail.

$20 View Details
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Step 5: Apply with a squeegee or sprayer

Most homeowners use a squeegee — pour a puddle of sealer, push it across the driveway in a 4-ft wide pass, feathering the edges. Work from the garage outward so you don't trap yourself. Two thin coats beats one thick coat (thin coats cure faster, last longer).

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Asphalt driveway squeegee, 24-36 inch

Double-sided — flat for thin first coat, V-grooved for thicker second coat. ~$25-40.

$32 one-time View Details
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Apply in 4-ft passes from garage outward

Work yourself toward the street so you don't paint yourself in. Use long even strokes, overlap each pass by 6".

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Two thin coats, 4-8 hours apart

First coat soaks in; second coat builds the protective film. Skip the second coat and the sealer wears off in 2-3 years.

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Tape adjacent surfaces (concrete, garage edge)

Sealer is permanent on concrete and brick. Tape borders with painters tape before pouring.

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Step 6: Block off the driveway for 24-48 hours

Cars on uncured sealer leave tire prints. Walkable in 4-8 hours; full cure for vehicle traffic in 24-48 hours. Set up cones or rope across the driveway.

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Wait 24 hours minimum for foot traffic

Touch a corner — if it doesn't feel sticky, it's walkable. Light foot traffic OK at 12-24 hours in warm weather.

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Wait 48 hours for vehicle traffic

Even if it feels dry, full cure takes 48 hours. Driving on it earlier leaves permanent tire marks.

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Re-seal every 3-5 years

Sealing every 3-5 years extends asphalt life from 15-20 years to 30+ years. Cheapest possible home maintenance.

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