Generally ceramic porcelain or stone tile can be installed in exterior locations over suitable substrates such as masonry concrete mortar beds and in some cases certain types of backer board units.
Tiling outside of cooler walls.
1 inspect the exterior substrate.
Cooler temperatures slow it down.
Nearly any type of tile can be used on an exterior wall including ceramic stone or glass as long as it.
2 prepare the exterior substrate to receive tile.
5 mix and apply the tile mortar.
Additionally epoxy mortar sets quickly.
And just how strong they need to be is dependent on the level of use you anticipate.
Repair any loose or cracked tiles.
In warm climates the barrier should point to the outside of the house blocking the vapor from the humid outside air that may seep into the walls or ceilings.
A mortar like custom s prolite rapid setting tile.
To do so make sure all of the tiles are intact and secure.
7 prepare the installation for grouting.
Warmer temperatures speed up curing time.
A plain garden or patio outdoor wall will look more finished with the application of tile.
In cold climates the opposite is true.
9 clean up after grouting.
Prepare the surface for installation.
The air is usually warmer inside the house so condensation can build up from air entering the wall from the inside.
8 mix and apply grout.
These substrates must be structurally sound meet deflection requirements and meet on plane requirements.
6 set the tile.
4 plan the exterior floor layout and make tile cuts.
On the downside epoxy mortar is more expensive than thinset and has a strong smell while it cures.
Unlike the tiles used for indoor walls and floors outdoor tiles need to be particularly strong and able to withstand a wide range of temperatures and weather conditions.
Keep in mind that the surface receiving the tile may be colder than the air temperature above it.
Tiling over an uneven surface will give you less than stellar results so level out any globs of dried grout with a sander and secure loose tiles with fresh.
10 complete the installation and maintain as needed.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
If you must install tile in an environment near the recommended 50ยบ f minimum the installation may benefit from an accelerated or rapid curing mortar.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
3 apply a waterproofing membrane.