Never use organic mastic where there will be high heat.
Heat resistant adhesive wall tile.
Made of glass these are resistant to heat and humidity so you can stick them to your shower walls for a quick bathroom upgrade or behind the stove to makeover an otherwise bland kitchen or to the exterior of your fireplace for a new look in your family room.
A fire in a fireplace can throw out a tremendous amount of heat and the heart resistance is vital.
Going one step further what you place your tiles on makes a difference too.
Choosing the right tile adhesive.
Not to be used as a grout.
Heat resistant tile adhesive.
Keador kitchen backsplash wallpaper stickers 15 7 x 118 self adhesive waterproof aluminum foil stickers wall decal easy to clean heat resistant washable wallpaper 5 0 out of 5 stars 1 8 77 8.
If your chimney walls aren t in great condition you can always use heat resistant boards to give you a stable tiling surface.
Luckily there are tile adhesives made especially for hotter scenarios we recommend this tile adhesive from victas.
For internal use only for external applications use vitcas hb60.
You need a thinset which can handle at least 400 degrees fahrenheit.
Apply the adhesive with a vitcas 6mm tile comb on to wall and then press the tiles to the adhesive giving a 3mm bed.
You need a heat resistant adhesive because very high heat can easily damage a normal adhesive.
This is what you will need when installing fireplace tiles.