Place aluminum flashing over the areas where the woodpecker is pecking.
Stop woodpeckers on cedar siding.
You may be able to prevent woodpecker drilling in your cedar siding by offering a tempting alternative at a distance from your structure.
Cover all holes as soon as possible.
You may have to call an exterminator to get rid of the underlying insect problem.
Large holes like you are describing sound like roosting or nesting holes.
Unfortunately cedar siding seems to get a lot of damage from woodpeckers particularly if the house is adjacent to a wooded area.
Because it is feeding on insects living in the siding.
Fix woodpecker damage to trees siding and shingles and keep it from happening again with these proven repair and prevention techniques.
Below i will tell you exactly how to get rid of woodpeckers on cedar siding using 5 easy methods.
Place bird feeders near trees or other wooden structures to encourage woodpeckers to take up residence elsewhere.
Woodpeckers are petrified of moving reflective material.
Investigate and remove any of the following insects from outdoor structures to reduce.
These holes are often placed in corners and can go into the insulation.
So with that being said try the following strategies.
If you need to evict woodpeckers from your home aim to do so either before or after the nesting season.
Harass and scare the woodpecker causing damage using one or more of the following techniques.
If the birds are looking for insects the holes will be small and irregular.