Bamboo flooring after leak

LE_Bore

Hi,
We recently had a slow water leak behind a kitchen cabinet and had to remove a couple of metres of bamboo flooring boards in the middle of the room. It took weeks for the chipboard floor to dry out, I've begin replacing the bamboo that can be rescued and added a couple of boxes of identical boards that were in the loft from when we laid it in the first instance. When I finally got to the last three boards, it became apparent that they would not fit properly. I can force them in but the floor lifts very slightly when I do this.

I tried planing a couple down but the job was not tidy enough and I felt water would get between the boards by the sink. I've noticed an expansion gap behind the kitchen cabinets and fridge but the boards don't seem to shift into this space, neither naturally or manually -- presumably because there are several heavy cabinets on it  The job is close to finished and I have one spare board; in theory I have just enough boards if I lift some. Any ideas on the best path to take from here, please (other than binning the whole lot and crawling back into the sea I squirmed out of  the first place (it's been a very long, hard and frustrating day, sorry)? We are reluctant to call a professional in at the moment owing to extreme health vulnerability and covid.

Thank you for reading. All ideas gratefully received. Take care...

grumbler

immac said:

When I finally got to the last three boards, it became apparent that they would not fit properly. I can force them in but the floor lifts very slightly when I do this.

Is this next to a wall or a cabinet?

I tried planing a couple down but the job was not tidy enough and I felt water would get between the boards by the sink. I've noticed an expansion gap behind the kitchen cabinets and fridge but the boards don't seem to shift into this space

Again, if the floor goes under other cabinets, how can a gap between the floor and the sink cabinet? Regardless, any small gap can be filled with wood-colour silicone, e.g.:

LE_Bore

Thank you for the reply. It's not by the wall, it's more or less in front of the sink, which was the last bit I had to do apart from beneath where the sink cabinet  will go -- I have to replace the sink cabinet as the leak ruined. Today, now the light is better, it is apparent that the floor is bulging a bit in the middle of the room as well and the slightly more bulgy bit by the sink. It's not that dramatic, but I can feel the floor sinking a little below my feet as I walk on it, which it didn't do before. 

There is an expansion gap on all sides of the room, but as far as I can make out, the important one in this case is on the left hand side wall under cabinets and a fridge that stand on the floor. The flooring runs lengthways from 12 o'clock to 6 o'clock, say, the sink cabinet is at 12, and the bulge is on the left closer to 9 o'clock. The expansion gap beneath the cabinets that the flooring will have to shift into somehow is on the nine o'clock side of the room.