TaskBoy

I have a brick hearth/bench and half-high wall with my fireplace in the middle. If the wall-long bench is flat enough, can I just set the flagstone tile over it w/o laying down a backer board first?

What about the face of the brick wall? Do I need to place a backer board there first? Thanks.

TileGuy

You can tile on brick but you need to skim coat it with thinset first ( like you would drywall ) then key it in with at least a 1/4 x 1/4 trowel. Use VersaBond Flex thinset, you can get it at Home Depot

homerepairman

Yeah TileGuy is right, just cover it with the thinset mortar and it will hold on there. Here's some info on it:

http://www.floorstransformed.com/choosethinset.html

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