How To Repair Concrete Floor Before Tiling

An uneven floor or wall surface can lead to several problems in a tile job.

How to repair concrete floor before tiling.

Self leveling underlayment products can be used on concrete floors wood subfloors that are uneven but still in decent shape and even over ceramic tile floors eliminating the task of tearing. To prepare your concrete subfloor make sure that it can accept water penetration. As with a wooden subfloor a concrete subfloor must be level for successful tile installation. Test by sprinkling water on various areas of the subfloor.

Cut the membrane so it s 1 1 2 times the width of your tiles. While laying tile is not an easy job the entire process can still be done by an amateur who takes the time to cover all the necessary steps in preparing an older damaged concrete floor before. Grind slowly and carefully if you remove too much concrete you ll create another hole to patch. I cut the membrane to extend at least two tile widths on both sides of the crack.

Tiles may crack pop loose or lip a condition that occurs when the corners. Additionally a steps must be taken to ensure that a concrete floor will create a solid bond. This option works best when the concrete floor is in good condition so take care to follow all of the steps below to repair cracks fill depressions and make sure the floor is level. Skip this step and we guarantee your new tile will crack right over the cracks in the concrete.

Before tiling the floor level any raised patches with a handheld concrete grinder. The membrane which is bonded to the slab with the same latex modified thinset that i use for installing the tile absorbs any additional movement in the concrete. Let the primer dry and then apply the membrane photos 3 and 4. Tile laying tricks for uneven surfaces.

Tips lay down a sheet of crack isolation membrane before tiling if your concrete floor is. Install an uncoupling membrane between concrete and tile.