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Hi there, any suggestions on what can be done to fix these gaps. It appears the deck and stairs were built separately and they seem to be coming apart.
Hello @rajl
Welcome to the Bunnings Workshop community. It's sensational to have you join us and thanks for sharing your question about your outdoor steps.
I highly suspect that water has entered the foundation of your steps and has caused it to shift. This is why there a gap has appeared near where the steps meet. I don't know if you have a timber or concrete base underneath those tiles, but in order to repair them the foundation must be addressed so that it can be returned to its original position. I can see from your pictures that a filler was placed between the gaps.
It is possible to put another type of filler between the gap, but if the underlying cause is not addressed the filler will fail again as the base of the stairs will keep shifting. If you are not yet prepared to have it repaired properly, I suggest filling the gap with Moroday 15mm x 5m White Gap Filler and covering the top of the filler rod with Sika 300ml Concrete Grey Sikaflex 11FC Purform.
If you have any other questions we can help with, please let us know.
Eric
