how shall I fill the gap as shown in the image?What material and steps shall i follow?
Hello @vishal88
Welcome to the Bunnings Workshop community. It's sensational to have you join us, and thanks for sharing your question about filling the gap between your floor and driveway.
I suggest cleaning the gap as much as possible and removing any loose debris that might be in the gap. I recommend using Sika 300ml Concrete Grey Sikaflex 11FC Purform on the condition that the gap is no bigger than 5mm. If the gap becomes bigger, I suggest using Moroday 6mm x 5m White Gap Filler Rod to prevent the Sikaflex from dropping into the gap.
If you need further assistance, please let us know.
Eric
