Attic and Crawl Space Rodent Cleanup in Overland Park

Attic cleanup usually comes after a winter or two of mice. Once they've lived up there for a season they leave a mess: droppings, urine, tunnels through the blown-in insulation, nests of shredded paper. The smell can work its way down into the rooms below, especially through ceiling vents.

Cleanup only lasts if the mice are gone, so it normally follows trapping and sealing the entry points. Cleaning while they're still active just means doing it twice.

What a Winter of Mice Leaves Behind Up There

If you pop the attic hatch and see any of these, the space needs more than a once-over:

• Droppings scattered across the insulation or the crawl space plastic
• Tunnels or flattened paths through blown-in insulation
• A stale, musty smell at the hatch or the ceiling vents
• Chewed wiring jackets or flex duct
• Stains on the ceiling drywall below
• Nests of shredded paper or fiberglass near a warm duct

Bonus Rooms Over the Garage and Crawl Spaces Under Old Ranches

In south OP, attic problems are mostly a two-story thing. Mice climb the garage wall cavity and end up in the low attic space beside a bonus room. The newer homes in south Overland Park and Blue Valley see it every winter, and it usually goes along with mice in the garage. In Leawood's wooded neighborhoods, limbs hanging over the roof give mice a straight path up.

Crawl spaces are more of a north side thing, under older ranches, split-level additions and the older frame houses near the square in Olathe. They're tight and damp, and the plastic vapor barrier holds droppings. If the droppings under the house are big, it may be rats, and the plan should start with rat removal.

What Gets Pulled Out and What Stays

The technician confirms the rodents are gone or close to it, then goes up (or down) and looks at how far the droppings and nesting have spread, whether the insulation is matted or tunneled, and whether any wiring or duct has been chewed. A light case might be spot removal and disinfecting. A heavy one can mean pulling a section of insulation, cleaning the deck or vapor barrier underneath and putting fresh insulation back. Ask who handles the new insulation and how they'll protect the rest of the house while they work.

If the smell is coming out of a ceiling register, ask them to look at the ductwork while they're up there. Mice chew into flex duct to get at the warm air, and a torn run will blow attic dust right into the bedroom. That's a repair, not just a cleanup, and you want it fixed before fresh insulation goes down. Chewed wiring jackets are worth having an electrician look at too.

Cost comes from the company after they've seen the space. Square footage, how long rodents lived there, whether insulation has to come out, and access all play into it. A tight scuttle hole in a north OP ranch takes longer to work through than a walk-up attic.

A Few Droppings in the Storage Room: Doing It Yourself

For a few droppings in a basement corner or a closet, you can handle it. Open a window first. Put on gloves. Spray the droppings and any nest material with disinfectant until they're soaked, wait several minutes, then wipe it all up with paper towels and seal it in a bag. Don't sweep or vacuum dry droppings, since that puts dust in the air. Mice in a finished basement walks through it step by step.

Attics and crawl spaces are a different animal. The space is cramped, the insulation is dusty and it's hard not to stir things up, so it's usually better left to the pros. Keep kids and pets out until it's done. Fresh droppings are dark and soft, old ones are gray and crumbly, and that tells the tech whether trapping has to come first.

Related: Mouse Control, Rodent Exclusion and Sealing, Rat Control

Serving Downtown Overland Park, North Overland Park, South Overland Park and Blue Valley, Corporate Woods and College Blvd, Leawood, Lenexa, Olathe, Prairie Village, Shawnee, Mission and Merriam.