How Thick Should Concrete Be For a Two Post Lift?

The minimum thickness of concrete for a two-post lift varies depending on the model. In some cases, the concrete must be 8 inches thick. In other cases, the concrete must be 4 1/4 inches thick. In both cases, it is important to follow the manufacturer’s recommendations.

When installing visit website , the first step is assessing the concrete area and slab. Make sure that the concrete is at least 4.25″ thick, has cured for at least 28 days, and is flat with no slope. To ensure stability, you should also ensure the concrete has 3,000 psi Comprehensive Strength.

If recent Mechanic Superstore blog post is too soft or crumbling, the lift will not work properly. However, there are ways to change the slab to accommodate the lift. It may require some extra work or extra tools. You should consult your local building department or professional before making changes to your slab.


In general, a slab must be at least four inches thick to support the weight of a car lift. However, it will depend on the specific brand and application. Some models require thicker concrete slabs to support the specified weight. There are two main types of concrete slabs: the traditional slab on grade and the post-tension cable slab.

In addition to the concrete thickness, you must also consider the location of reinforcement bars. Mechanic Superstore: Single post car lifts blog article is important to consider the location of reinforcement bars if they are to be installed near the lift anchor positions.