Finding and closing the gaps mice use to enter a home or building, with storage advice and a written list of repairs.
Fastest: call (855) 974-4733. Or send this and we call you back.
Mouse exclusion and sealing in Bismarck, ND means finding the gaps a mouse can use to enter a building and closing them with the right material. A technician inspects the foundation, doors, vents and utility openings, then lists each repair. The method is general; this page claims no North Dakota mouse season.
Exclusion is the part of rodent work that lasts. A trap or a bait can remove the mice that are already inside, but unless the openings that let them in are closed, new ones can arrive from outside. The technician's job is to find those openings, judge how big each one is, and list the repair that closes it properly.
The first thing to know is that a mouse can pass through a gap much smaller than most people expect. For that reason, exclusion is not about looking for a large hole. It means checking every place where a pipe, a cable, a vent or a door meets the building, and sealing the small openings as carefully as the large ones.
This service covers the sealing and the exclusion advice. It does not claim anything about when mice are most active in North Dakota, because no current local source has been found for that. You can call (855) 974-4733 at any hour, and a same-day visit is offered when a technician is free.
Mice can pass through small gaps, so exclusion looks at every place where a pipe, cable, vent or door meets the building. Common openings include foundation cracks, utility penetrations, door sweeps, vent covers and the gaps around garage doors. The size of an opening matters less than whether it is there.
The most frequent gap is the one that a building has had for years without anyone noticing. A pipe that enters the foundation through a hole larger than the pipe, or a cable that runs through a wall without a collar, can give a mouse a route that is never blocked. The technician looks at these penetrations first.
Doors are the second area to check. A door sweep that has worn flat or split, or a threshold that no longer touches the floor, is a common way in. The garage door seal and the gap under the side door are often the largest openings on the property, and they are checked on every exclusion visit.
Materials used for exclusion include steel wool, metal mesh or hardware cloth, and sealants or foam products made for the purpose. The right material depends on the gap. Steel wool and mesh are used where a gap must stay open to air, and a sealant is used where it does not.
Plain foam or caulk alone is often not enough, because a mouse can chew through soft materials. A gap is usually sealed with metal mesh or steel wool packed in first and then covered with a sealant or a finishing material. The technician chooses the combination after seeing the opening, not from a list.
Vents need screening rather than solid sealing, because air still needs to move through them. A vent cover with a fine metal mesh keeps mice out while letting the building breathe. The report names the material used for each opening so the work can be checked later.
Keep food in sealed containers, not in paper or cardboard, and keep stored wood, bags and boxes off the floor and away from the walls. These steps reduce the food and shelter that draw mice to a building and make the inside easier to inspect.
Food is the main attraction inside most buildings, and it is the easiest thing to change. Cereals, flour, pet food and dry goods are best kept in containers with tight lids. A cardboard box of cereal in a pantry is a food source that can be chewed open, and a sealed container removes the easy meal.
Firewood and lumber are a common form of shelter in cold-weather buildings. Storing them on pallets, away from the walls and at a distance from the house, gives less cover for mice to use. The technician will mention the storage pattern on site if it is part of the problem.
The number of openings, the type of building, how many areas are involved, and whether a tradesperson must do part of the work all affect the price. The price is explained and approved on site before any repair starts, and no dollar figure is given on this page.
A small house with a few gaps is a short job, while a larger building with many penetrations, a finished basement and a detached garage takes longer. Access to the foundation, the crawl space or the rim joist can add time, and the technician explains that on the phone and on site.
Repairs that need a tradesperson, such as a foundation crack, a damaged siding section or a window frame, are separate from the exclusion work and priced by that tradesperson. The report keeps them on their own line so you can see what each part of the job costs and why.
Yes, many small exclusion repairs are straightforward: a new door sweep, a screen on a vent, or some steel wool in a small gap around a pipe. Larger repairs, foundation work and anything that needs a ladder or a power tool are better left to a professional.
A simple start is to walk the basement with a flashlight and look for daylight, droppings or fresh gnaw marks along the wall. Note each gap you find, and check the door sweeps and the garage seal. A list of openings makes the technician's visit faster and more accurate.
Do not use a spray product along the walls as a substitute for sealing. A spray does not close a gap and can leave residues where children or pets might reach. The safer approach is to close the openings and keep food and shelter out of reach.
Do not use a sealant or foam in a gap that is connected to a gas line, an electrical box or a flue without checking first, because some materials and heat sources do not mix. Wear gloves and eye protection when pulling out old insulation or debris. If you find a dead animal or a large nest in a wall, do not handle it bare-handed; ask the technician how to proceed.
The technician starts outside, checking the foundation line, the corners, the steps, the vents and the utility penetrations. Each gap is noted with its size and location, because the most common mistake in exclusion is to seal the obvious hole and miss the small one beside it.
Exterior doors, door sweeps, garage door seals and window frames are checked for gaps and wear. The garage is often where the largest openings are found, so it gets careful attention, including the line where the garage door meets the floor.
Inside the building, the technician looks at the basement, the crawl space, the utility room, the pantry and any cupboard that opens onto a wall. They check the evidence on the floor and in the stored items, and they look for the route the activity seems to follow.
Each opening is listed with the material that fits it. Steel wool, metal mesh, a foam-and-mesh product, a sweep, or a hardware cloth covering each suit different gaps. The report says which repairs the technician can make and which need a tradesperson.
The final step is advice on food and wood storage, cleaning up any clutter that gives shelter, and keeping items off the floor. The price for the sealing work is explained and approved before any repair is made, and the written report keeps the list for future reference.
A visit to close one or two openings that the inspection has found, such as a gap around a pipe or a door sweep that has worn through. It is the simplest form of exclusion and suits a home where the rest of the building is sound. The report lists the single opening and the repair, and the price is confirmed before work starts.
A full walk of the building with sealing across every opening found. This is the right choice when the building has many small gaps, an older foundation, or a history of repeated activity. The work takes longer, and the report is detailed, but it gives the most complete picture of what is needed.
Basement and crawl space exclusion focuses on the foundation line, the rim joist, the utility penetrations and any access hatch. These areas are often the least looked at, and they are where gaps are most often missed. The technician checks them carefully and explains what can be sealed from inside and what needs an outside repair.
Garages, sheds and other outbuildings often have larger gaps than the house, at the door bottom, the vent and the wall-to-roof joint. The technician treats these as separate parts of the exclusion plan, because a sealed house with an open garage is only partly protected.
Tell us when you need someone and we book the earliest visit a mouse exclusion and sealing technician has, and you approve the price before any work starts.
Any building with a basement or crawl space has a foundation line and utility penetrations, and those are the places exclusion work matters most. The technician checks those areas closely because they are where a gap is easiest to miss.
A garage is one of the places a building envelope is most often opened up, whether by a door, a vent or a side entry. A worn door seal or a gap at the threshold is easy to overlook and easy to fix, so the garage gets a full check on every visit.
No current North Dakota mouse season has been sourced for this page, and the NDSU rodent circulars that were located are too old to cite as current guidance. The advice here is general exclusion practice. The timing of any work should be set by your own inspection, not by a seasonal claim.
Trap placement and monitoring for mice already inside a home or building, with the exclusion work that stops them coming back.
An inspection-first general visit for insects and small pests that get into homes and businesses across Bismarck and Mandan.
Finding infested stored food in cupboards, clearing the pantry and treating the shelves by label, with storage advice to stop a return.
Control for the insects that overwinter in homes, with a focus on screens, vents and the warm exterior walls where they gather.
Not sure if you're covered? Check your ZIP code.
NDSU Extension recommends tight-fitting screens, especially on upstairs and attic windows and vents, before the cooler months.
In a North Dakota rental, the lease decides who arranges and pays for pest work, so the first step is to read it.
Keeping mice out of a home is mostly a matter of closing the openings they can use and removing the food and shelter that draw them in.
North Dakota State University Extension names the picture-winged fly, boxelder bugs and multicolored Asian lady beetles as the main fall home invaders.
A mouse can pass through a gap much smaller than most people expect, which is why exclusion checks every penetration and seam rather than only the obvious holes. The technician uses a close inspection and checks each gap by eye and by feel, since size alone is not a reliable guide.
Often not. A mouse can chew through soft materials, so caulk or foam is usually packed over a mesh or steel wool filler rather than used alone. The technician chooses the combination for each gap and records it in the report.
Yes. The garage door seal and the gap at the threshold are checked on every exclusion visit, because they are often among the largest openings on a property. A worn seal may need replacing, which is a separate repair that the report will name.
Trapping is a separate service and is described on the mouse trapping and monitoring page. Exclusion closes the openings so that new mice cannot enter, and trapping removes the animals already inside.
This site does not claim one. No current North Dakota source was found for mouse seasons, and the older NDSU circulars located are not treated as current advice. Sealing and storage are sound practice at any time of year, so the timing should follow your own inspection.
Use containers with tight lids made of glass, metal or hard plastic, rather than paper or cardboard, which can be chewed open. Keep pet food in a sealed bin and clean up spilled grain promptly. The technician will mention any storage issue they see during the visit.
It depends on the building. A house with a handful of gaps is a short visit, while a larger building with many penetrations and a finished basement takes longer. The technician will estimate the time on the phone and confirm it when the visit is booked.