why is my floorboards squeking in my house the home is only 2 years old ?

Answer 1

Good answer by Donna D. Also consider squirting white glue into the corner between the sub-floor and the joists in the area around where the squeak occurs. This will secure the subfloor that is flexing when you walk on the floor, which is the cause of the squeak.

If it's in a carpeted area, there are also anti-squeak screws you can get that just drive right down through your carpet to secure the subfloor to the joist. When they are set, the screw heads pop off, so you don't get a little metal lump in your carpet.

Answer 2

the wood is drying out and is shrinking. It has air space instead of rubbing up next to each other as butted up agains each other when layed down. The house shifts and the wood moves as it dries out.
it is common to do so. if you can get up under the flooring, shim a piece of wood in the crack and cut it off or just break it off. it will add the added pressure up aginst the wood strips and will discontinue the squeeking.