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Hi we're currently doing a kitchen reno and wanted to replace our kitchen tiles to make room for the new cabinets (will be different heights) as well as use different tiles for backsplash.
We've removed the tiles and realized the wall is completely brick, but there is mortar and sand I think infront of all of the brick to make it level and bring the wall out for the tiles to sit on.
I haven't removed all of the mortar as I wasn't sure if that is what I'm supposed to do. There are quite a few large gaps in the brick wall from what I could see and was afraid that I would cause damage / uncover massive holes.
I saw someone online say just to remove all of it and place a cement sheet on top in order to create a flat surface. What is the best course of action here? The mortar is also up on the window sill too under the window frame. Tried removing some but it cause the frame to lift up so we stopped.
Hello @JR2
I suggest trying to find out if your wall is double brick or if it is just a single brick wall that has been damaged very badly. I can understand when you say that the render might just fall between the spaces and that there is nothing there to catch it. It's best to find out first what you're working with, and we can then move forward with possible solutions.
If taking off the old mortar means that you'll need to fill it up with concrete or bricks, you'll need to be prepared for that activity. Once the wall is repaired you can then plan on tiling the wall.
If you have any other questions we can help with, please let us know.
Eric
Hi @JR2
sorry I am well behind on this one, but it appears both @EricL and @Dave-1 have already provided some excellent advice.
Personally I would be hiring an SDS+ Pneumatic hammer drill with a flat chisel attachment to remove the entire top old rendered layer. being very careful of conceal electrical cables which I can see in the last photo.
I would then use Sika 118 Extreme Grab construction adhesive to fix a tile underlay board to the wall. Using a spirit level to check and set the face of the board plumb to the wall. This process will overcome the unevenness from removing the old mortar/render.
Nailbag
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