A commercial parking lot pavement is an investment that can enhance the appeal to your business, safety and functionality of your business. However, when the asphalt or concrete has been laid, most business owners ask themselves: When will I be able to open the doors of my parking lot? Premature opening may ruin the surface, result in expensive repairs and may even cause safety risks. This guide is going to separate all you should know about opening a commercial parking lot after paving.
Understanding the Paving Process
It is worthwhile to have knowledge on the kinds of paving and the influence on their curing and usability before knowing when to open your parking lot.
Asphalt Paving
The most popular type of parking lot used in commercials in the United States is asphalt because it is inexpensive and durable. It is a soft substance which can withstand heavy traffic, although it needs an adequate cooling and drying time after laying.
Concrete Paving
Concrete is a durable substitute to asphalt and it is mostly used in regions with extreme weather conditions. Concrete also cannot sustain heavy loads as quickly as asphalt can, however, it can support heavier loads faster once it is fully cured as opposed to asphalt.
Why Timing Matters
Opening a parking lot too soon can lead to several problems:
Surface Damage: New asphalt or concrete is tender, and can be easily rutted or broken by cars.
Premature Repairs: Traffic over a lot that has not been cured may necessitate expensive resurfacing or repair.
Dangers to Safety: Uncured surfaces may be either slippery or uneven, and this may be dangerous to the drivers and pedestrians.
Liability Problems: In case an individual is injured as a result of using the parking lot prematurely, the business will be sued.
Asphalt Parking Lots: Recommended Waiting Time
Cooling and Initial Hardening
After asphalt paving, the surface must cool and harden.
Typically:
First Cooling: 24-48 hours when the pedestrians are light.
Vehicle Use: 48-72 hours on a light vehicle (cars, SUVs).
Heavy Vehicles: Wait at least 5-7 days in case of trucks, delivery vans or construction equipment.
Factors Affecting Asphalt Curing
The exact timing depends on several factors:
Temperature: Asphalt will dry quicker in hot weather and slower in cool weather.
Pavement Thickness: The thicker the pavement, the more time it takes to cool and harden.
Traffic Volume: An increase in traffic takes time to cure before the lot can be able to carry it safely.
Tip: The paving contractor will always recommend what to do, they will tend to give you advice depending on your local weather and traffic requirements.
Concrete Parking Lots: Recommended Waiting Time
Concrete does not act like asphalt and it takes a longer time to cure.
Standard Curing Timeline
First Environment: 24 hours prior to the light foot traffic.
Light Vehicle Traffic: 7 days cars and SUV.
Full Load Capacity: 28 days in case of heavy vehicles and trucks.
Factors Affecting Concrete Curing
Weather Conditions: Cold or wet weather retards curing, hot dry conditions accelerate it however they may crack when not properly controlled.
Concrete Mix: High-strength concrete could permit earlier traffic to pass, whereas standard mixes are based on the 28 days rule.
Sealing: When you intend to seal the concrete, it is better to wait at least 7 days before the concrete could be sealed so that it could cure first.
Tips for Protecting Your Newly Paved Parking Lot
Precautions may extend the life of your parking lot even after the suggested waiting time.
Limit Traffic Initially
- Limit the heavy trucks in the initial weeks.
- Divert traffic with the help of signage or temporary barriers.
Apply Sealcoating (for Asphalt)
- Sealcoating secures asphalt against UV rays, water and chemicals.
- Sealcoat should be applied not less than six months after paving.
Schedule Regular Maintenance
- Maintain the lot in a clean manner.
- Seal cracks and fix simple damages as soon as possible to avoid greater problems.
Signs Your Parking Lot is Ready
Even if the minimum time has passed, it’s a good idea to check a few things before opening:
Surface Hardness: Walk/drive on the surface. It must be solid and sturdy.
Temperature: Asphalt must either be cool or slightly warm.
No Ruts or Impression: The surface is still soft as shown by tire marks.
Concrete Dryness: Concrete is no longer damp or chalky on the surface.