Preparing A Concrete Floor For Tiling - Floor Has Bitumen Down

[Rich Midge]

You definitely need to be trowelling the addy to the floor, I tend to trowel in straight lines but everyone's different. Use the flat edge to give a scrape coat to the back of every tile. Butt the next tile to the previous, push it into the adhesive and pull it away. Once you've got 3 or 4 down, check for flatness with your level. Level is a bonus but tiles should always be flat! Back buttering in to ensure your getting the best bond you can, won't really affect setting times.

 

[philrab66]

You definitely need to be trowelling the addy to the floor, I tend to trowel in straight lines but everyone's different. Use the flat edge to give a scrape coat to the back of every tile. Butt the next tile to the previous, push it into the adhesive and pull it away. Once you've got 3 or 4 down, check for flatness with your level. Level is a bonus but tiles should always be flat! Back buttering in to ensure your getting the best bond you can, won't really affect setting times.

Hi Rich
I have got a few down and it is going very well. The best floor I have done thanks to the prep, just plonk them on bit of a twist. When I have done it before I did not prep floor and ended up packing all the tiles so I did not want to do that again.

 

[Dan]

Glad you both like the site. 🙂

 

[outcycling]

You definitely need to be trowelling the addy to the floor, I tend to trowel in straight lines but everyone's different. Use the flat edge to give a scrape coat to the back of every tile. Butt the next tile to the previous, push it into the adhesive and pull it away. Once you've got 3 or 4 down, check for flatness with your level. Level is a bonus but tiles should always be flat! Back buttering in to ensure your getting the best bond you can, won't really affect setting times.

Hey rich,

Done quite a few walls/bathrooms/kitchens now and 4 floors all reasonably good but not as pan flat as some I've seen on here. On the floors and walls I've always just put adi on surface and laid the tiles. Why does back buttering tile with scrape coat help with adhesion ? Also do you do this on wall tiles as well? Thanks.