Keep in mind that the surface receiving the tile may be colder than the air temperature above it.
Tiling outside of cooler walls.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
8 mix and apply grout.
1 inspect the exterior substrate.
Prepare the surface for installation.
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.
To do so make sure all of the tiles are intact and secure.
2 prepare the exterior substrate to receive tile.
Additionally epoxy mortar sets quickly.
These substrates must be structurally sound meet deflection requirements and meet on plane requirements.
A mortar like custom s prolite rapid setting tile.
The air is usually warmer inside the house so condensation can build up from air entering the wall from the inside.
5 mix and apply the tile mortar.
Warmer temperatures speed up curing time.
4 plan the exterior floor layout and make tile cuts.
10 complete the installation and maintain as needed.
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.
Nearly any type of tile can be used on an exterior wall including ceramic stone or glass as long as it.
Basic temperatures most thin set grout and mastic manufacturers ask that you maintain between 50 and 100 degrees fahrenheit with a minimum time of 72 hours allowed for drying.
7 prepare the installation for grouting.
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.
Repair any loose or cracked tiles.
A plain garden or patio outdoor wall will look more finished with the application of tile.
Cooler temperatures slow it down.
In cold climates the opposite is true.
On the downside epoxy mortar is more expensive than thinset and has a strong smell while it cures.
Installation can be made on a damp surface but new concrete must cure for at least 28 days before adhering tile.
6 set the tile.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
3 apply a waterproofing membrane.
And just how strong they need to be is dependent on the level of use you anticipate.