Hollow out floor joists.
Damage support beams.
Weaken wall framing.
Compromise subfloors.
Reduce structural strength.
Because they typically eat wood from the inside outward, extensive damage may remain hidden until the wood begins to sag, crack, or sound hollow.
Other Signs of a Possible Termite Infestation
Mud tubes are only one warning sign.
You might also notice:
Hollow-Sounding Wood
Tap wooden beams or trim.
If sections sound hollow instead of solid, termites may have eaten away the interior.
Tight Doors and Windows
Damaged wood can warp, causing doors or windows to stick unexpectedly.
Buckling Floors
Termite damage beneath flooring sometimes causes uneven or soft spots.
Swarming Insects
During certain seasons, reproductive termites leave the colony in search of new nesting sites.
Finding discarded wings near windows or doors is another clue.
Bubbling Paint
Moisture created by termite activity may cause paint to blister or peel.
Could It Be Something Other Than Termites?
Yes.
Although termite tubes are common, similar-looking dirt structures can occasionally be caused by:
