One of the main causes of cracking and popping noises that seem to occur randomly in a house mainly deep within the walls floors and ceilings is known as thermal expansion.
Floor joist popping.
Scan the area around the marked spot use a deep scanning stud finder to identify the floor joist supporting that wood panel.
How to fix plywood flooring that has popped up under the carpet.
Cut out a square surrounding the problem zone from joist center to joist center or remove an entire 4 foot by 8 foot sheet of subflooring.
If this is the case remove the nail.
Sometimes a nail that misses a joist will rub on the framing below as the floor deflects.
You can also spot the floor joists by looking for putty covered top nails.
If your wood floor is already down this might mean you have to pull up the section that squeaks to repair the subfloor and then put down a new section of flooring.
A plywood subfloor often squeaks when it separates from the joists but it doesn t have to make any noise at all to give you a.
Then tightly refasten.
Sometimes you might walk across your floors and hear a popping or creaking noise.
Some of the most common causes of a squeaky floor originating from the subfloor system include poorly nailed subfloor sheathing missing joist hangers missing nails or nails that just miss the joist improperly installed subfloor sheathing improper.
Many squeaking and popping noises originate from the subfloor system below the floor.
Start by locating the specific wood floor panel that is popping by walking across it slowly then mark the spot with masking tape.
Floors that make a popping sound.