There are two main ways to repair termite damage to wood.
Repairing siding from termite damage.
First remove the rotted wood with a chisel.
In most cases the repair will be simpler and less expensive if you add a wood support to damaged wood.
For instance if your entire flooring is damaged severely it is costlier than replacing some of its parts.
You can add a new piece of wood next to the damaged wood.
The damage is considered minimal if the infestation seems to be only along the surface.
Rotted wood can be identified as discolored or decayed looking.
If you are lucky and there are no utilities near the damaged wood you may not have to remove the termite infested structural members.
This type of repair works for many structural and non structural repairs.
Just like the cost of repairing structural damage there is a possibility that it will increase as well.
Type 1 diy repairs for non invasive termite damage.
If you notice termite damage early enough you can use a wood hardener to cover the decayed area.
For repairing cosmetic termite damage the average cost would be 2000.
How to repair termite damage.
It is an accepted method of repair and the goal is achieved in most instances.
Termite trails include digested wood residue a powder like substance feces eggs and even dead termites.
However if you know the signs of termites and act quickly to get rid of the pests you can prevent further damage.
Replace damaged sections of wood entirely or add a wood support adjacent to damaged wood.