What to fill this gap with?

Discuss What to fill this gap with? in the Tiling Forum area at TilersForums.co.uk


Active Member
Need to tile my vestibule but theres a large 5 by 4 inch deep gap behind the door that someone has previously filled with wood and expanding foam.

What would be best to fill this gap with ready for tile?

First thought was just cement but prob would create a rising damp issue there I guess.




TilersForums.co.uk Addict
If it’s as deep as you say, l would use a fast setting concrete on a plastic dpc vertical and horizontal also fold at ends.


TilersForums.co.uk Addict
Not sure why l got a dislike ? above, for suggesting an aqueous bitumen solution could be used instead of a physical dpc as first suggested, it’s mainly used as a tanking and dpc membrane, usually requiring two or three coats.


Unregistered (Please Register)
Don’t worry about it.

Just ignore the reputation system like I do. You just need to change your preferences so you’re not notified.

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