Exterior Wall Tile Installation Over Plywood

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.

Exterior wall tile installation over plywood.

To help illustrate how to install wall tile outdoors we ve included the diagram below. A poor ceramic installation will delaminate from the subfloor split at the grout lines or worse crack directly across the tile. 3 apply a waterproofing membrane. 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.

1 inspect the exterior substrate. 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. 5 mix and apply the tile mortar. Plywood and osb are not suitable surfaces for installing tile on walls and foam does not have the tensile strength to support tile.

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. Installing tile on exterior walls. 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. 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. But a number of precautions must be taken to ensure a successful installation. While most floor tile these days is installed onto a layer of cement board or similar backerboard it is possible to lay tile directly over plywood.

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. 8 mix and apply grout. Exterior plywood contracts and expands which makes it hard to bond with other materials. A number of different types of substrate are used for tile including plywood.

9 clean up after grouting. 10 complete the installation and maintain as needed. 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. 6 set the tile.

2 prepare the exterior substrate to receive tile. Laying tile over a plywood subfloor can be tricky. The subfloor should be made of. 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.