Mikew212
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Hi all new to the forum. I am a fairly capable fit enthusiast I am fitting a new shower tray in my en suite it looks like it is cast concrete. I have 8 legs to put on it but my plan was to place it, level it up, fix buttons on the wall then fill the void below with expanding foam to add extra support. I am aware of how much the foam will expand and I will l3ave the front plinth off until the foam is dry. My question is is there a possibility that the foam may expand unevenly and crack the shower base?
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