Luckily there are tile adhesives made especially for hotter scenarios we recommend this tile adhesive from victas.
Heat resistant adhesive wall tile.
You need a heat resistant adhesive because very high heat can easily damage a normal adhesive.
Never use organic mastic where there will be high heat.
A fire in a fireplace can throw out a tremendous amount of heat and the heart resistance is vital.
Not to be used as a grout.
Surplus heat resistant tile adhesive must be removed immediately from any tile surfaces with a damp cloth.
The 1 foot square sheets adhere to any clean flat surface from drywall to a painted wall.
You need a thinset which can handle at least 400 degrees fahrenheit.
For internal use only for external applications use vitcas hb60.
This is what you will need when installing fireplace tiles.
Heat resistant tile adhesive.
Apply the adhesive with a vitcas 6mm tile comb on to wall and then press the tiles to the adhesive giving a 3mm bed.
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.
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.
Heat resistant tile adhesive grout heat resistant tile adhesive for use with fireplace tiles or hearth tiles have different properties from standard wall or floor tile adhesives.