Tile Floor Subfloor Requirements

The maximum span is 14 ft as a steel i beam breaks the floor into two sections of 14 ft.

Tile floor subfloor requirements.

The subfloor is 23 32 t g osb with inch lauan and sheet vinyl over top. Concrete expands and contracts and that type of movement can also crack the tiles and the grout. Subflooring requirements for tile floors to meet tca stiffness requirements floor framing should be no more than 16 inches on center with minimum 19 32 inch plywood subflooring. Measure and cut 1 4 inch or thicker plywood with a circular saw to fit the entire floor of the room where you are installing vinyl flooring.

Preparing your subfloor for tile in this video learn how to prepare a wood or concrete subfloor for tile including such steps as checking for dips installing backerboard applying primer and thinset pouring liquid underlayment and when to use osb or exterior grade plywood. The floor joists are 2x10s spaced 24 on center and running lengthwise. Upgrading to 23 32 inch plywood will stiffen the subfloor by almost 80 and provide a more solid feeling floor. A subfloor is the bottom most structural level of your floor.

Because of issues of moisture movement and adhesion ceramic tile will work well with certain types of subfloor underlayment systems and can go dramatically wrong with other subfloor materials. Regardless of the material it must be at least 1. However you re not out of the woods. The first step to proper installation is to get the subfloor in order.

The subfloor must be structurally sound as well as thick and stable enough to hold the weight of the tile without moving or flexing. For this reason ceramic and porcelain tile floors can be considered somewhat delicate despite the inherent strength of the material. It supports your decorative floor finish whether it s carpet hardwood vinyl laminate or tile. For more information download our pdf about types of subfloors.

To determine the requirements for a tile subfloor i partnered with jim and rich from diamond tile located here in maryland. The basement ceiling is finished in drywall so i do not have access from below. The difficulty is that tile can be installed over a number of substrates and each requires specific preparations to ensure a long lasting tile floor. Vinyl is one of the few types of floors that can be safely installed over concrete wood or other solid floors.

The goal is to have a wooden subfloor consisting of two.