There is not enough information to pinpoint the source of the problem but the cause of wood decay is always the same wood that gets wet and stays wet for too long at temperatures above 40 f.
Diagnose wood rot siding.
Sprinkle boric acid across wood that shows signs of dry rot.
If you see signs of paint damage it may be a sign that there is underlying wood rot.
If it s soft you re dealing with wet rot.
Using a screwdriver you can poke underneath the boards.
Pay attention to the surface of siding frames exterior doors baseboards flooring and drywall.
There are a number of sings your wood siding is rotting.
Any bubbling blistering cracking or flaking paint should be a warning for you.
Paint can hide wood rot so poke the siding with the tip of the.
If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration.
Condensation on the siding s underside can slowly destroy the walls.
For wood decay to begin the wood must be saturated with a moisture content over 28.
How can you tell if your wood siding is rotting.
Look primarily for warping mildew buildup or insect infestation.
Obviously these vary in severity but if your home has wood siding it s a good idea to check up on it once in a while.