As a business owner or property manager in Winnipeg, you know your parking lot takes hit after hit day after day. Heavy traffic, extreme temperatures and our freeze-thaw cycles make asphalt an easy target. That’s why it needs to stand up to these tough conditions.
When it’s time to pave or repave a parking lot, you may ask, “What type of asphalt should I use?” There’s no universal answer here. That said, one type stands out for commercial parking lots in Winnipeg. Let’s get into it!
What Type of Asphalt is Used for Parking Lots in Winnipeg?
In Winnipeg, hot mix asphalt (HMA) is the most common type of asphalt used for parking lots. It’s industry standard for commercial projects since it’s durable, strong and able to stand up to heavy traffic and harsh weather conditions.
You might hear the terms “hot asphalt,” “blacktop” or simply “asphalt” thrown around. These are all the same material. Hot mix asphalt is the top choice for parking lots, driveways, roadways and industrial sites across Winnipeg.
What is Hot Mix Asphalt?
Hot mix asphalt is a combination of aggregates (crushed stone, sand, gravel) mixed with asphalt cement, a petroleum-based binder that holds everything together. The Asphalt Pavement Association of Canada recognizes HMA as the industry standard for roads and parking lots.The mixture is produced at high temperatures of 150°C and 180°C and has to be laid while still hot to be compacted into a smooth, durable surface.
After it cools, hot mix asphalt forms a strong, flexible pavement that handles the weight of vehicles and daily traffic.
Hot mix asphalt comes in several grades and mixes. The right choice for you comes down to the application:
- Base Course: A coarser mix is used as the bottom layer to provide structural support.
- Surface Course (Wearing Course): This finer mix is used as the top layer to create a smooth driving surface.
In parking lots, both layers are used to create a strong foundation and finished surface that can handle traffic and weather.
What is Hot Mix Asphalt Used for Parking Lots?
Hot mix asphalt is a top choice for commercial parking lots for the following reasons:
- Durability: HMA stands up to heavy loads like cars, trucks and delivery vehicles, while holding up under constant traffic.
- Flexibility: Asphalt is flexible, not like rigid pavements. Because of this, it absorbs minor ground movement without cracking right away.
- Smooth Finish: Hot mix asphalt creates a smooth, even surface that is comfortable for driving without being a hassle to maintain.
- Quick Installation: HMA can be laid and compacted quickly so you can spend less time worrying about your parking lot and more time running your business.
- Cost-Effective: Other paving materials are pricey for what they are. Meanwhile, hot mix asphalt balances performance and affordability.
- Repairability: When hot mix asphalt gets damaged, it’s easy to patch and repair so your parking lot lasts longer.
Does Winnipeg’s Climate Affect Asphalt Selection?
Of course! When it comes to choosing and installing asphalt in Winnipeg, our weather does more than you think. According to Environment Canada, Winnipeg experiences extreme temperature swings that range from -30°C in winter to +30°C in summer and constant freeze-thaw cycles.
Here’s how Winnipeg’s climate impacts asphalt:
- Freeze-Thaw Cycles: Water gets into small cracks, freezes and breaks the asphalt apart. As time passes, this creates potholes and surface deterioration.
- Extreme Cold: Asphalt turns brittle in cold temperatures so it’s more prone to cracking.
- Hot Summers: Winnipeg also experiences scorching hot summers. In the heat, asphalt softens so constant traffic can eventually lead to rutting.
- Moisture: Spring thaw and wet conditions eventually weaken the base layer without proper drainage.
These challenges make choosing the right asphalt mix and installing it properly essential. A well-designed and maintained parking lot in Winnipeg should include:
- A properly prepared and compacted base
- Adequate drainage to prevent water pooling
- The right HMA mix for our climate
- Sealcoating and regular maintenance to protect the surface
Consider working with the experienced Winnipeg asphalt pavers from The Whiteout Group. We understand Winnipeg’s weather, can recommend the right materials and install them in a way that helps your parking lot last.
How Long Does a Hot Mix Parking Lot Last in Winnipeg?
Assuming proper installation and regular maintenance, a hot mix asphalt parking lot in Winnipeg can last 15 to 25 years. That said, this can vary greatly. It usually comes down to the following:
- Traffic volume
- Drainage
- Base preparation
- Surface maintenance
You have to maintain those surfaces to keep them for long. Crack sealing, pothole repair and sealcoating give you more use out of your parking lot and prevent the need for costly full replacement down the line.
Pave Your Winnipeg Parking Lot the Right Way
Hot mix asphalt is the best option for bustling Winnipeg parking lots. The Whiteout Group specializes in asphalt paving and repair for commercial, industrial and municipal properties. Turn to us whether you need a whole new parking lot or have to repair an existing one.
Ready for a parking lot that lasts? Contact us today!
