The sub floor which may be constructed of plywood wood planks or boards osb board or particle board laid over floor joist which supports the plywood or other sheeting.
Popping noise in floating floor more in cold or hot.
Floor buckling is the most extreme reaction to moisture in a hardwood floor.
It may be that the fasteners nails that hold your floor down have come loose and whenever you are stepping on the floor it is causing the loud noise you are hearing.
Another primary and fairly mundane cause of random noises within a home is settling.
This is especially true if you have a gas or propane heated tank.
Sometimes you might walk across your floors and hear a popping or creaking noise.
When walking across a carpeted floor and you hear a creaking sound it is usually from one of the following reasons and can usually be corrected easily.
Creaking popping and snapping sounds can emanate from a hardwood floor that has been nailed to a wood subfloor as well as one that has.
Buckling is most common in areas that get more direct sunlight such as along sliding glass doors and large windows in the home.
As the material becomes warmer it can expand slightly causing the floor to buckle.
This back and forth movement can wreak havoc on a floating floor if it s not installed.
Buckling occurs when the wood flooring actually pulls up from the subfloor lifting several inches in one or more places.
If your floors are nailed down to the subfloor the popping noise could be coming from the nails.
Floors pop oil can noise.
The sound happens when a plank becomes loose and the nail rubs against the subfloor.
Movement is always what causes squeaks.
For an often lengthy period a house will creak and pop from time to time due solely to its own weight causing the soil beneath the house to compact thus allowing sections or even the entire house to sink slowly and minutely into the ground.
In the colder weather the opposite is true and the floor can contract leaving gaps between two of the tiles.
You may want to have a flooring professional look at your floor and figure out ways to tighten the floor.
If the noise is in the first floor and you have an unfinished basement you should be able to correct the problem relatively easily.
What causes a creaking popping noise in hardwood floors.
While this doesn t mean your floors are defective there are various reasons it can occur.
It s probably your water heater where sediment has settled at the bottom of the tank then popped and bubbled as the water heats.