By the way if you ever do caulk before painting like trim or exterior caulking be sure to use a paintable one.
Best way to fill counter sing holes on cedar siding.
Repairing minor defects in cedar siding step 1 use a putty knife to apply exterior wood putty to smaller cracks or holes in siding.
Do not use caulk it will not take the stain even if you use before painting it shrinks too much to fill holes caulk is used for where the trim meets the wall and at the joints and corners when painting not for staining.
Leave about an inch of depth that your patch will go over.
Step 6 sand and paint.
There was one quarter half dollar size hole that went all the way thru.
At first i thought it was a woodpecker because there were about 10 holes that looked like someone started to drill into the siding.
Over the past week i ve noticed the something is chewing holes in my cedar siding about 10 feet up off the ground.
Fill the hole with foam sealant.
Do not fill the hole all at once but scrape layers into the hole a little at a time.
With larger holes you ll need to make sure you add insulation in the back to create a nice weatherproof seal.
Holes in wood trim are best filled with wood filler.
Nail holes in exterior surfaces just as with cracks or gaps can be dealt with using a good caulking.
Using a painter s 5 in 1 tool or a putty knife apply the putty you have just mixed.
Work the putty down into the holes and smear the putty over the top and edges of the defect.
I thought the holes would be ok 15 gauge but if there is a way i d like to fill them before we move in.
For best results use a sprayable foam with minimal expansion.
Don t fill the entire hole with foam.
If the siding is unpainted stick with epoxy filler it s.
Fill cracks in painted siding with either exterior acrylic latex caulk caulk or with epoxy wood filler which is a better choice.
Filling holes and cracks in exterior cedar 05 15 2016 05 56 pm i have used cedar coloured silicone grout to fill in where woodpeckers have explored my siding.