Exterior Wall Tile Installation Over Plywood

One question that folks new to ceramic tile frequently ask is whether they can lay the ceramic directly on top of a plywood or osb subfloor using a thinset cement or liquid nails to glue down the tile to the wood.

Exterior wall tile installation over plywood.

Plywood and osb are not suitable surfaces for installing tile on walls and foam does not have the tensile strength to support tile. 7 prepare the installation for grouting. 9 clean up after grouting. 6 set the tile.

But a number of precautions must be taken to ensure a successful installation. Figure a represents tile installed over a mortar bed fastened to masonry or concrete while figure b is tile bonded directly over masonry or concrete. For wall installations your real concerns are whether you want to use thinset directly on the wood and whether you are using an exterior or interior type of plywood. The subfloor should be made of.

10 complete the installation and maintain as needed. 5 mix and apply the tile mortar. Laying tile over a plywood subfloor can be tricky but if you prepare the sub floor properly your tile floor will last for a lifetime. Figure a and figure b are typical examples of exterior wall tiling.

In order to install tile directly over the exterior plywood you will need to use a special bonding agent in order for it to hold up. A poor ceramic installation will delaminate from the subfloor split at the grout lines or worse crack directly across the tile. 2 prepare the exterior substrate to receive tile. 4 plan the exterior floor layout and make tile cuts.

You will need to purchase a polymer mortar that meets required standards. Installation of ceramic tile over plywood substrates with latex portland cement mortar tb22 all wooden flooring when placed over conventional floor joist or other systems should be of a design and thickness so as to maintain a substrate deflection not to exceed 1 360th of span including live and dead loads. A plywood underlayment i m not sure it was exterior grade or pressure treated was installed over the 1 6 pressure treated decking and the tile installed on top of that. A number of different types of substrate are used for tile including plywood.

1 inspect the exterior substrate. Installing tile on exterior walls. Laying tile over a plywood subfloor can be tricky. Sometime shortly thereafter i can only assume they decided that they wanted to improve drainage for any rainwater that blew into the space through that screen so they drilled holes along some of the grout lines.

To help illustrate how to install wall tile outdoors we ve included the diagram below. 8 mix and apply grout. Wonderboard lite cement backerboard or lath and a cement scratch coat must be installed to the wood or foam surface before the installation of tile with an appropriate mortar. Interior if you are working in an interior setting in a dry area where the tile will never come into contact with water you can install the tile directly onto the face of the plywood so long as you use the proper type of thinset.