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Choosing the Right Concrete Topping Service for Your Project

Concrete topping is a method of applying a cementitious material to the surface of a concrete slab. This process allows for a more sustainable approach to building construction, and helps prevent the deterioration of concrete floors over time.

There are a number of different types of concrete toppings available, depending on the needs and requirements of the project. The bonded and unbonded types of concrete topping are the most commonly used.

The bonded type of topping is adhered to the underlying concrete slab, while the unbonded type is not bonded. Both methods of concrete topping are suited for heavy duty and light duty applications, and are suitable for both structural and functional purposes.

Toppings are a common part of the construction industry, especially when concrete is subjected to high traffic loads, abrasion, and environmental changes. They allow for the restoration of concrete surfaces and are used in various commercial, industrial, and residential facilities across the country.

Choosing the right concrete topping for your project is important to ensure that the surface is properly protected and maintained for years to come. At GFC, we offer a wide range of concrete topping options that can be customized to fit your individual preferences and decor.

Before laying the concrete topping, it is important that the concrete surface be free of any contaminants. Contaminates include paints, oils, and other substances that could affect the bonding of the topping. In addition, the underlying slab should have a rough, open pore finish that will accommodate the adhesive agent.

Apply the appropriate amount of bonding grout to the base concrete slab, taking care to ensure that it is not too wet or too dry. If the grout is too dry, it can form a weak layer that acts as a bond breaker and prevents the topping from bonding to the base slab.

Once the base concrete has been cured, it is time to place the concrete topping. This step is necessary to ensure that the topping is bonded to the concrete slab, and that the concrete will not crack or spall once it is laid.

During this stage, it is recommended that the concrete be left to cure for at least seven days before laying the topping. This will allow the concrete to develop its maximum strength, as well as resistance to surface abrasion and low impermeability.

It is also important to ensure that the concrete dries slowly enough so that it does not crack or spall during the curing period. It is not a good idea to add more water during the curing period, as this may cause the slurry to dry too quickly and create a weak layer that will break the bond between the concrete and the slurry.

For both bonded and unbonded concrete topping slabs, reinforcement, such as deformed bars, welded wire fabric, bar mats, or fibers, may be placed in the concrete to reduce shrinkage cracks.

Regardless of the type of concrete topping service you require, be sure to choose a company that has a thorough understanding of all aspects of concrete installation. At GFC, our team can help you determine the best solution for your project and can answer any questions that you may have along the way. Contact us today to learn more about the concrete topping service that we provide for the Minneapolis area.

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