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Michigan Bat Problems- Chimney, Attic, and Home

Bat Problems in Michigan

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Through out many years in the bat removal and control industry we have visited many residential homes and commercial properties with bat problems. There are several types of bat problems Michigan homeowners have including bats in the atticbat in the house, or bat control issues. Bats are not like any other mammal or rodent in the Michigan wild. Bats are the only flying mammal in the state of Michigan. For this reason they can cause many problems in your home and attic. Explaining different types of bat problems here, may help you understand how to treat your problem and what to look for. Bat problems in Michigan occur for several reasons. Below are some reasons why bats can be a problem.

  • Leaving doors and windows open
  • No cap on the chimney
  • Roof line construction gaps
  • No screens on vents
  • Improper caulking
  • No flashing in the eaves

Why might these cause a bat problem? Well obviously leaving doors and windows open can let any type of wildlife in. A recent trip to Florida for a wildlife control convention we discovered a company who dealt primarily with alligators. One of their strangest calls was a gator in the house. We have also been on several calls for the strangest scenarios with home owners or renters leaving their door open. Squirrel, birds, mice, rats, and bats have all entered the home because a door was left open. Even though bats will enter through an open door it is very unlikely. If you have a bat in the house, 99 out of 100 times it's because bats are living in your attic or chimney. Usually during maternity season is when the bats will enter your home through gaps in the drywall or vents because the pups are just learning to take flight. They get lost and end up in your home. During winter or colder months bats are usually moving around during hibernation to find warmer areas and end up in your house.

Bats Through The Chimney

Chimney caps are great to keep all wildlife out of your home. Bat problems in chimneys or fireplaces are because there is no cap over the flue or there are gaps in the mortar. If you have a bat problem in the chimney you may want to look to put a cap over the chimney flue. It's not recommended to put a cap on with out excluding the bats first. The one-way door method is the best way to exclude problem bats from your chimney or fireplace. Caps are not always the only thing needed to keep bats out. Often 1/2 inch screen underneath the cap will keep the bats out and still allow it to vent properly. It's not recommended to only use screen on the chimney flue to keep bats out, because it will pile up with snow and leaves.

Bats Entering Through Roof Gap

Roof line construction gaps are on most homes. The biggest reason for this is because roofers are not sealing your house with intention to keep bats and other wildlife out. Home is never bat proofed 100% unless you hire a pro bat control company. Construction gaps in roofs will give home owners bat problems in the attic. Bat problems in the attic is your most common service. We get rid of bats from attics more than any other service. 90% of our calls are because people have bat problems in their attic. During the real estate boom in Michigan houses were being built so frequently not every nook and cranny could be sealed to perfection. Even though your home is shingled, flashed, painted, and caulked this is still not enough to solve your bat problem. It's important to have a bat removal pro bat proof your home. We know what to look for and have successfully completed thousand of live bat exclusions and prevention's on homes in Michigan.

Bats entering through gable vent

Gable vents, ridge vents, and roof vents will cause your home to have problems if not properly screened. Most homes with vents will have screens, but not many are screened properly. Gable vents and canned vents are often screened, but with very thin fiberglass screen. Thin window screen is never durable enough to solve your bat problem. Bats and other nuisance animals can enter right through your vents by clawing or chewing their way through. We see bats roosting in gable vents or under ridge vents all the time. Bat guano has high acid concentrate, much like bird droppings. When it sits against screen it will eat right through it causing gaping holes. Once the holes appear, bat will get into your attic causing a bat problem. This type of bat problem can be fixed or prevented by putting a strong 1/8" galvanized hardware cloth over top of the louvers on the gable vents. This prevents roosting and entry into the attic.

Bats Entering At Siding Transistion

Another way bats enter your home or attic is because of improper caulking of your home. When your home is painted or sided caulking is a must. Caulking needs to be done around the entire perimeter of the home or you may encounter a bat problem. Sealing around your home will alleviate bat problems. Homes that are not caulked properly will leave construction gaps along the soffit, brick, or siding. This allows bats to cling to the side of your home and crawl in.

Bats Getting in By Damaged Flashing

The number one problem we see homes with bat problems is no flashing eaves. Typical construction gaps are left open in the eaves to allow the roofers to slide shingles under the soffits so there is no visible wood. Back flashing would prevent bat problems from the beginning. Michigan building code does not always call for flashing so to save time and cost, roofers will go without flashing. Good flashing in the eaves or other areas on the home will solve your bat problem and keep bats out.

What if Bats are in My Attic?

Bats in the attic will cause several problems. The main bat problem with bats living in the attic is the mess they leave behind. Bat guano or bat feces can create a health risk because of the bacteria and fungi it holds. If the mold spores from the bat guano become airborne it can get into your vents and holes in the drywall making you sick. Lung infection diseases like histoplasmosis are the main concern with inhaling these airborne spores. If your bat problem has been going on for your years the bat guano can destroy your attic. We see damaged insulation, drywall, and even framing from the bat guano and urine. A home we went to in Lainsburg, MI had bats for over 20 years causing the ceiling to cave in because the bat guano was piled so high. If bats do take up residence in the attic it's best to exclude them the clean up the mess. Attic restoration is our specialty. We clean out all of the damaged insulation and decontaminate the attic. Once we clean it out we can re-insulate it to proper code.

As You can see there are several types of bat problems in Michigan and most other states for that matter. Natural habitats just don't exist in South East, MI. Fortunately for the bats there are still structures for the bats to live in. Unfortunately these roosting areas in homes and attics cause home owners bat problems. From understanding the different types of bat problems you may encounter will hopefully help you solve your bat problem or prevent it in the future. We take care of all types of bat problems throughout the entire state of Michigan no matter the size of colony, size of job, or work involved. If you have a bat problem and live in the State of Michigan we can solve it for you. While reading this article you have come across several links which will walk you through the bat removal and control process. Have more questions or if you have encountered other bat problems not listed here please contact us so we can help.

For Bat Problems We Service These Areas

Common areas we serve throughout our Michigan service area are: Bay City, Dewitt, Eagle, Elsie, Fowler, Maple Rapids, Ovid, St. Johns, Westphalia,Bellevue, Charlotte, Dimondale, Eaton Rapids, Grand Ledge, Mulliken, Olivet, Potterville, Sunfield, Vermontville, Waverly, Burton, Clio, Davison, Fenton, Flint, Flushing, Goodrich, Grand Blanc, Linden, Montrose, Mount Morris, Ottisville, Swartz Creek,Dansville, East Lansing, Lansing, Leslie, Mason, Okemos, Stockbridge, Webberville, Williamston, Jackson, Grass Lake, Almont, Attica, Clifford,Columbiaville, Dryden, Imlay City, Lapeer, Metamora, North Branch, Otter Lake, Argentine, Brighton, Fowlerville, Hartland, Howell, Pinckney, Whitmore Lake, Armada, Center Line, Chesterfield, Clinton, Eastpointe, Memphis, Mount Clemons, New Baltimore, New Haven, Romeo, Saint Claire Shores, Shelby, Sterling Heights, Utica, Warren, Midland, Carleton, Dundee, Estral Beach, Luna Pier, Maybee, Monroe, Petersburg, South Rockwood, Auburn Hills, Berkley, Beverly Hills, Bingham Farms, Birmingham, Bloomfield Hills, Clarkston, Clawson, Commerce Twp., Farmington, Farmington Hills, Ferndale, Franklin, Holly, Lake Orion, Madison Heights, Milford, Novi, Oak Park, Ortonville, Oxford, Pontiac, Rochester, Rochester Hills, Royal Oak, South Lyon, Southfield, Troy, Walled lake, Wixom, West Bloomfield, Wolverine Lake, Birch Run, Chesaning, Frankenmuth, Merrill, Oakley, Saginaw, St. Charles, Zilwaukee, Bancroft, Byron, Corunna, Durand, Lainsburg, Lennon, Morrice, New Lothrop, Owosso, Perry, Vernon, Akron, Caro, Cass City, Fairgrove, Gagetown, Kingston, Millingston, Reese, Unionville, Vassar, Ann Arbor, Barton Hills, Chelsea, Dexter, Manchester, Milan, Saline, Ypsilanti, Canton, Livonia, Northville, Plymouth, Wayne, Westland