How Much to Seal a Driveway in Construction: Complete Guide

/by

Sealing a driveway is an essential maintenance task in construction and landscaping projects. A properly sealed driveway not only enhances curb appeal but also protects the surface from damage caused by water, UV rays, oil spills, and freeze-thaw cycles. Understanding how much to seal a driveway helps homeowners and property managers plan budgets and maintain their investment.

This guide explores driveway sealing costs, preparation steps, types of sealants, benefits, and maintenance tips.

What is Driveway Sealing?

Driveway sealing is the application of a protective coating over asphalt or concrete surfaces. The sealant forms a barrier that prevents:

  • Water penetration and erosion
  • Cracks caused by temperature fluctuations
  • Damage from oil, gas, or other chemicals
  • Surface wear due to foot or vehicle traffic

Sealing is typically recommended every 2–4 years depending on climate, traffic, and driveway condition.

Factors Affecting Driveway Sealing Costs

Several factors influence the total cost of sealing a driveway:

  1. Driveway Size
  • Larger driveways require more sealant and labor.
  • Costs are usually calculated per square foot.
  1. Surface Material
  • Asphalt driveways are the most common and generally less expensive to seal.
  • Concrete driveways may require specialized sealers and cost more.
  1. Driveway Condition
  • Cracks or surface damage must be repaired before sealing.
  • Extensive repairs increase overall cost.
  1. Type of Sealant
  • Different sealants (coal tar, asphalt emulsion, acrylic) vary in price and durability.
  1. Labor and Equipment
  • Professional services may include surface cleaning, crack filling, and spray or brush application.
  1. Location
  • Regional labor rates and material costs can affect pricing.

Average Cost to Seal a Driveway

Driveway TypeCost per sq ftEstimated Cost (500 sq ft)
Asphalt Driveway$0.10 – $0.25$50 – $125
Concrete Driveway$0.15 – $0.35$75 – $175
Driveway with Repairs$0.25 – $0.50$125 – $250

Additional Costs:

  • Crack filling: $2 – $5 per linear foot
  • Power washing: $50 – $100
  • Edge and surface preparation: $50 – $150

Types of Driveway Sealants

  1. Coal Tar Sealers
  • Traditional option for asphalt driveways
  • Resistant to oil, gasoline, and UV damage
  • Dark black finish with a glossy look
  1. Asphalt Emulsion Sealers
  • Water-based, eco-friendly option
  • Slower curing time but durable
  • Provides a natural black appearance
  1. Acrylic Sealers
  • Ideal for concrete driveways
  • Durable and resistant to cracking
  • Can be clear or tinted for aesthetics

Driveway Sealing Process

1. Clean the Driveway

  • Remove dirt, debris, and vegetation using a broom or pressure washer.

2. Repair Cracks and Holes

  • Fill cracks with appropriate fillers or patching compounds.
  • Ensure repairs are level with the driveway surface.

3. Apply the Sealant

  • Use a brush, squeegee, or spray system for even coverage.
  • Apply in thin coats to avoid pooling or streaks.

4. Curing Time

  • Allow sealant to dry for 24–48 hours before driving or walking on it.
  • Avoid rain or water exposure during curing.

5. Optional Second Coat

  • Some driveways benefit from a second coat for extra protection and longevity.

Benefits of Sealing a Driveway

  1. Protection from Elements
  • Prevents water infiltration and damage from freeze-thaw cycles.
  1. Enhanced Appearance
  • Gives driveways a uniform, dark black finish that improves curb appeal.
  1. Cost Savings
  • Extends the lifespan of the driveway, reducing the need for costly repairs or replacement.
  1. Chemical Resistance
  • Protects asphalt from oil, gasoline, and other chemical spills.
  1. Crack Prevention
  • Minimizes the development of new cracks by maintaining flexibility in the surface.

Maintenance Tips After Sealing

  • Regular Cleaning: Sweep or hose off debris to maintain appearance.
  • Avoid Heavy Traffic: Wait at least 24–48 hours before driving vehicles over the sealed surface.
  • Reapply Sealant: Plan to reseal every 2–4 years based on wear and climate conditions.
  • Monitor for Damage: Fill new cracks or holes promptly to prevent further deterioration.

Conclusion

Knowing how much to seal a driveway in construction is essential for budgeting and property maintenance. Sealing protects surfaces from environmental damage, chemical exposure, and wear, while enhancing curb appeal. Proper preparation, sealant selection, and professional application ensure durability, reduce long-term repair costs, and maintain the value of the property.

FAQs About Driveway Sealing

1. How much does it cost to seal a driveway?

  • Asphalt driveways cost approximately $0.10–$0.25 per sq ft, while concrete driveways range from $0.15–$0.35 per sq ft. Repairs can increase the total cost.

2. How often should a driveway be sealed?

  • Generally every 2–4 years, depending on traffic, weather, and surface condition.

3. Can I seal my driveway myself?

  • Yes, DIY sealing is possible, but professional services ensure even application and longer-lasting results.

4. How long does it take for sealant to dry?

  • Typically 24–48 hours, depending on weather conditions and sealant type.

5. Do I need to repair cracks before sealing?

  • Yes, all cracks and holes should be filled to ensure a smooth, durable surface.

6. What type of sealant is best for asphalt?

  • Coal tar and asphalt emulsion sealers are commonly used for asphalt driveways.

7. Will sealing improve the appearance of my driveway?

  • Yes, sealing provides a uniform, dark black finish that enhances curb appeal.

8. Is sealing environmentally safe?

  • Water-based asphalt emulsion sealers are eco-friendly options compared to traditional coal tar sealers.