Concrete Parking Decks Topping
Why do I need a parking garage traffic system topping?
The basic function of a garage traffic topping system (or traffic-bearing membranes) or is to protect the underlying structure from water, which can cause corrosion or other types of damage. Garage systems also have to resist attack from chemical fluids such as gas or oils that may leak from poorly maintained vehicles.
In Canada's cold climate, the traffic topping system also protects against de-icing products carried into the garage from vehicles. These chemicals are a particular enemy of the reinforcing steel embedded in the concrete. When the chemicals reach the level of the steel, the material corrodes and expands, causing the concrete to crack. This leads to concrete deterioration and, if left alone, can result in serious safety concerns.
Traffic toppings resist loading, shearing and abrasion.
Unlike roof systems, which also protect from water, but simply lie atop the structure, garage traffic toppings have to stand up to vehicle traffic. Therefore, it is essential the system have performance characteristics to resist loading, shearing forces, and abrasion.
Traffic-bearing membranes are liquid-applied in layers of epoxy and/or urethane polymers. These systems are relatively thick (1 - 4 millimeters) and extremely strong, with high surface hardness, bond, tensile capacity, and tear resistance. They have the ability to bridge moving cracks and can be loaded with aggregates to build thickness and improve surface traction, abrasion resistance and durability.
Protect your investment with a performance traffic topping.
Although polyurethane based deck coating systems are most common, acrylic (MMA or Methyl-Methacrylate ) systems are increasingly being specified. MMA deck coatings offer fast cure installation in order to keep disruption of operations to a minimum during renovation. In addition, the performance of these systems is significantly better when compared to polyurethane deck coatings, allowing to be re-coated when maintenance is required, keeping the integrity of the system.
Installed at a typical cost of $5 to $7 per square foot, these membranes are typically warranted between one to five years and can remain serviceable for much longer, when properly maintained.
Installation of Traffic Topping at Glebe Parking Garage.
Installation of Traffic Topping at Ottawa City Hall Parking Garage.
Installation of Traffic Topping at 290 Rideau St. Parking Garage.