So i got a condo it had laminate floors they are ikea laminate that they do not make anymore i noticed some spots give and sink in when you step on them. I know below the laminate is tile so not sure why it sinks in maybe the cushioning below has worn out...?

Anyways I saw a short video that showed a guy drilling a small hole into the laminate and then spraying some kind of foam inside that expands i guess to fill the void below the laminate. I didnt get the name of the stuff but i dont know if this would be the best solution?

I dont have the funds to replace the whole laminate floor and i dont know if this is a DIY project or not i kind of handy but no flooring experience.

I also had a second question i removed a old build in cabinet that was in the living room and now there is an exposed part of the floor very small area. I have one extra piece of lamited that would be enough if cut into 3 pieces to fill that area. Since there is cement on the floor now icant just put the laminate down what what i need to put to provide cushioning for the flooring? sorry im new to this stuff any help would be great. below is a pic of the area that has no flooring on it.

 

May want to start saving up for a new floor.
Laminate can not just be added onto to fill that area or glued down.
It needs to be able to expand and contract.
It was also cut to close around that wall where it's sticking out.
Installs like that will make the floor buckle up and come unlocked.
Highly unlikely the padding "wore out".
More likely a poor install job, EG: floor was not flat, missing padding, padding over lapped, installed to tight.

 

"Floor not flat."... is probably right on the mark. If the subfloor had a dip in it, that would explain it. If you have a long aluminum straightedge you could put it on the spot snd make sure its not a hump.

 

welli dont know when the floor was installed probably a while back im guessing. i know under is tile though its a condo. I guess for that area where i removed the cabinet i can alway have a built in wine holder or something since its right by/under the breakfast bar area.

 

the floor definatly isn't level, its a condo and the inspector noticed that the floors were uneven, but he said its pretty normal for condos that are this old (made in the 1960's). I just dont think i can afford to redo the whole floor. im guessing itll be around 5k? probably have 500-600 sqft of space that would need to be done.

 

I think your estimate is about $4000.00 to high.
Laminate never should have been laid over any floor that's not flat.

 

Looking at your picture, I have questions. What was there before, a cabinet?? It appears a wall once existed across that floor where there is no tile. If so, they tried to span across it without floating the gap to make a solid floor surface. It could extend all the way across the room if it was a wall. So it won't get better.

As far as estimating a solution, the old flooring must be removed and the surface flattened with either tile in the gap or self leveling compound. I am not a fan of laminate, but it can be bought rather cheaply. The floor doesn't have to be "level", but has to be "flat".