Subsurface Preparation

DuraPlay Courts utilize a suspended tile surface designed to be assembled on top of flat, hard subsurface. 

Subsurface Preparation

Whether you are going to be pouring a new subsurface or using an existing concrete slab or driveway as your court’s base, please consider the following:

  • DuraPlay Courts can be laid over structural cracks no wider than 1/2".  Sharp cracks should be facetted or rounded so that ball bounce is consistent and the tiles don't catch when the floor expands and contracts.

  • DuraPlay court tiles create a monolithic, plastic floor that expands and contracts slightly with temperature changes.  For this reason, we advise using a base that is 2" to 3" larger in width and length than the court you specify.  We also recommend trimming the tiles at least 1/2" from any obstructions like the basketball goal post, fencing posts, etc... 

Building a Subsurface

If you need to create a subsurface for your DuraPlay Court, we typically recommend installing a concrete base for most game courts due to its performance, durability and longevity.  However, other subsurface options may be considered.

Concrete Base

As noted above, we typically recommend using a concrete base for most courts as concrete has 30+ year life expectancy, requires very little maintenance and helps provide the truest feel and most responsive ball bounce.  These benefits help offset the fact that concrete typically has a relatively high initial cost.  Some people also have concerns that concrete tends to crack especially in climates that experience a lot of freeze/thaw cycles.  For this reason, we recommend using rebar to give the base more structural integrity.  Plus, any small cracks that do develop will be hidden by the court surfacing.

  • Minimum Thickness of Concrete:  4”
  • Concrete Strength: 3000 PSI
  • Reinforcement: #4 (1/2”) Rebar on 24” centers each way, tied and elevated to center of slab (6x6 re-wire can be used in place of rebar if desired)
  • Concrete Finish:  Medium Broom
  • Expansion Joints:  Saw cut joints on 15’ centers within 24 hours of the pour.  Depth of cut to be 20% of thickness.  If 4” thick, then cut ¾” deep.
  • Grading:  Maximum 0.5% slope (0.5” vertical fall for every 10’ horizontal
  • Compacted Stone Base:  2” to 4”


DuraPlay courts can also be placed over an asphalt base and achieve similar performance as with a concrete base.  Many court owners choose to install this type of base because the initial cost of asphalt is typically much lower than a concrete base.  The downside is that asphalt tends to require more maintenance and has a shorter life span than concrete. 

Other Base Options

There are instances when costs, ordinance restrictions or permeable surface limits require one to consider alternative base options.  The most common option is to place the court tile on a compacted stone surface.  For these applications, we offer a unique recycled rubber underlayment product that can be placed between the crushed rock and the tile to maximize performance and durability.

Please note that many alternative surfaces are not as hard as concrete or asphalt so the ball response may be affected.  In these cases, we recommend that you slightly overinflated balls to accommodate for the softer surfacing.