Step 2 prepare the backing.
How to patch woodpecker holes in cedar siding.
Repairing large holes in cedar siding is a little more involved.
Smear a generous layer of the epoxy putty over the holes.
Just as with the small holes above fill the cavity with spray foam insulation to get a tight weatherproof seal.
Mix up a batch of lightweight structural adhesive epoxy putty on a scrap board.
Use a hole saw to make a perfectly circular hole over the existing hole.
Fill the siding holes with wood filler.
On a warm day mix the two materials with a putty knife then spread the mix over holes in the siding until the opening is completely covered.
When you fill woodpecker holes or blemishes in siding or other wood surfaces the type of wood plays a factor.
If the hole happens to be very large cut the cavity into a square.
Step 5.
Filling woodpecker holes in wood siding.
Step 4 mix the repair putty.
Use a putty knife to force the filler inside the hole making sure to fill in the hole and to completely cover the opening.
Large holes like you are describing sound like roosting or nesting holes.
Step 1 save sawdust.
Scoop out a golf ball size glob.
Scrape away any excess with the putty knife when you re done and allow it to air dry.
How do i repair woodpecker holes in wood siding.
Unfortunately cedar siding seems to get a lot of damage from woodpeckers particularly if the house is adjacent to a wooded area.
Use a putty knife to apply the putty liberally across.
Epoxy putty is a commonly recommended wood filler for use in repairing woodpecker damage.