Of course if you have found such a rotten joist or floor board you can try to sand.
Termite holes in hardwood floors.
Any wooden structure in your home is susceptible to a termite attack including ceiling beams.
If there are termites you will see holes in the food or the wood will seem layered with brown frass.
When the bugs find food in flooring the most typical point of attack is actually the structures holding the floor up not the stuff you walk on every day.
See how does termite damage to hardwood floors look like on pictures below.
Here are the most significant signs of termite floor damage.
Floor tiles become loose if termites damage joists floor supports the floor may start sagging.
Termites may eat the backing of the laminate floors.
Shelter tubes running from the soil to above ground wood.
However if you suspect you have a termite problem you might worry about the structural integrity of your floors.
But afterwards floors be one weaker.
Termites feast on dead trees which is what many houses are made out of.
Where to find clues.
Your fear is well founded after all termites have an insatiable appetite for wood.
Termites can damage a house s floors just as they can its walls and foundation.
Visual signs of a termite colony can include floors that buckle or sag loose tiles pinpoint holes in drywall damaged wood crumbles easily or wood that sounds hollow when tapped.
If you have hardwood floors the infestation can t be seen even for some years.
Floor s that sag and buckle have loose boards small holes or crumbling wood also indicate possible termite damage.