In some cases you can push the siding with your fingers to find rotted or soft spots.
Inspecting your siding.
If you have older hardboard siding you probably do and this type of siding is prevalent in many areas.
If your siding is rotting and or warping it may be time for replacement.
Inspecting your siding carefully check your siding on all sides of the house at least once a year.
Touch up if necessary see below for painting instructions cracking or missing sealant in all joints and seams.
Look for missing or dried out caulk that requires attention.
Grab your screw driver and poke your siding to see if it is soft just like the dentist checking if you need a filling.
Keep your eyes open for the following.
To inspect your own home for rotted wood siding start by figuring out which areas will be prone to rotting first.
Rotted wall sheathing can be checked by removing the siding and checking it out or by hiring a professional for moisture testing.
Next do the poke test.
Ripples in the siding can result from stapling or nailing through the face of the siding which is an incorrect installation.