Spread silicone on all four sides of the hole and at the slit at the bottom to completely seal the edges photo 3.
Seal for air conditioner pipe into siding.
Replacing ac pipe insulation if your air conditioning system s pipe insulation has degraded you may be spending more than is necessary to adequately cool your home.
And if you caulk carefully to prevent any air infiltration they are unlikely to be attracted to that spot.
Outdoor insects and rodents crawl through the hole and into the home.
It stays soft and flexible so it handles expansion contraction well.
Air conditioners provide cool air to homes and add to comfort.
Sometimes they allow pests easy passage into the home.
When an air conditioner is installed the installer drills a hole in the wall so that refrigerant hoses can reach the compressor.
Solid wood cut to shape cut a hole in a circle or square of regular 1x lumber with a hole saw exactly the size of the pipe then cut it in half and attach each side around the pipe also works rodents can chew though wood also but it takes them quite a while and if so you can hear them in time to make a metal patch before they can get in.
Duct seal or similar product is a common solution.
Duct seal is a common product used in the industry to seal around wall penetrations.
Cut a slit in the bottom edge so the plumbing boot will fit around the pipes.
Duck brand window air conditioner insulating strip seal 2 25 inch x 2 25 inch x 42 inch 284423 4 5 out of 5 stars 512 silicone seal strip 8m 26ft door strip bottom for doors silicone sealing sticker adhesive for doors and windows gaps of anti collision silicone 45mm transparent.
Kneed it until malleable then mold it in and around the hole like clay.
Acrylic and latex based caulking.
2 load a caulk gun with exterior grade caulking.
Dust the area around the pipe with an old paintbrush or handheld duster to remove dirt dust and other debris.
Using scissors or a razor knife cut the roof boot to fit around the hole and to match the width of the piece of siding photo 2.