Applications for the A24 Rat & Mouse Trap in Every Environment

Home

Inside the home, rodents often nest in wall cavities and ceilings where they can stay hidden, warm, and dry. While they’re out at night, they chew wiring, shred insulation, and contaminate food and surfaces with droppings and urine, which can carry serious diseases and bacteria.

Signs of Rats or Mice Indoors

• Scratching or scurrying sounds in walls, ceilings, or behind cupboards
• Chewed packaging or gnaw marks on food containers
• Small, dark droppings along walls, in cupboards, or in hidden corners
• Smear marks or greasy streaks where rodents regularly travel
• A strong, ammonia-like smell from rodent urine
• Nest materials such as shredded paper, fabric, lint, or insulation

Where to Install the A24 in the Home

• Behind couches, appliances, or other large furniture
• Inside an open, low-traffic closet
• In room corners and along baseboards where rodents run
• At the back of pantry shelves or lower kitchen cabinets

Prevention Tips for Inside the Home

• Take food waste outside promptly and keep trash in covered outdoor bins
• Store pet food in sturdy, sealed containers
• Transfer dry goods into airtight jars or tubs instead of thin packaging
• Screen attic vents, crawl space openings, and dryer vents with ¼" mesh
• Keep storage areas tidy so you can see along walls and corners
• Stack firewood away from the house and off the ground
• Seal gaps around pipes, utilities, and foundations so openings are under ¼"
• Trim shrubs, vines, and vegetation away from siding and eaves

Garage

Garages give rodents exactly what they want: shelter, quiet corners, stacked storage, and often food such as pet supplies, bird seed, or garbage. They can climb rafters and wires easily and slip into wall voids where wiring and insulation are exposed.

Typical Signs in the Garage

• Noises above in rafters or inside adjoining walls
• Chewed pet food bags or damaged cardboard boxes
• Droppings on shelves, along walls, or near stored goods
• Footprints or tail marks in dusty areas
• Gnaw marks on wiring, plastic, or wood
• Greasy rub marks where rodents repeatedly run
• Shredded nesting material in hidden corners

Where to Install the A24 in the Garage

• Near pet food, bird seed, or other stored feed
• Along perimeter walls where rodents prefer to travel
• In corners behind shelving units or tool benches
• Close to parked vehicles where rodents climb in

Garage Prevention Tips

• Seal cardboard boxes or replace them with plastic totes
• Store all animal feed and seed in rodent-proof containers
• Keep human food or drinks out of the garage where possible
• Screen vents with ¼" mesh and seal utility penetrations
• Close gaps around doors so rodents can’t squeeze underneath

Shed

Many sheds are built with gaps around doors, siding, or floors. Rodents can slip through very small openings and set up nests among tools, lumber, and stored supplies. Their droppings and urine create a health risk when you enter the shed or move items around.

Signs in and Around Sheds

• Droppings on shelves, near bags, or in corners
• Tracks or tail marks in dust or cobwebs
• Bite marks on bags, cardboard, or wood
• Chewed wiring for lights or outlets
• Grease marks along baseboards or studs
• Nests made from paper, fabric, or insulation offcuts

Where to Place the A24 Near a Shed

• Around the outside perimeter where rodents move along the walls
• In inside corners where clutter creates hiding spots
• Behind shelving or storage racks

Rodent-Proofing Your Shed

• Seal cracks, gaps, and holes with durable materials rodents can’t chew
• Store feed and seed in robust, sealed containers
• Avoid leaving soft nesting materials lying around
• Keep the floor as clear as possible so infestations are easy to spot

Basement

Basements are quiet, dark, and packed with storage—perfect conditions for rodents. Once established, they’ll chew wiring, damage stored belongings, and contaminate the area with droppings and urine.

Basement Warning Signs

• Scraping or rustling behind walls or above ceiling areas
• Droppings along ledges, by stairs, or behind boxes
• Chewed insulation or damaged electrical wires

Placing the A24 in the Basement

• Along perimeter walls where rodents naturally run
• In corners behind storage piles or shelving
• On walls behind shelves to intersect regular pathways

Basement Prevention Tips

• Keep boxes sealed and raised off the floor so walls stay visible
• Use metal or other chew-resistant materials to close holes and gaps
• Seal around pipes and vents to reduce drafts that attract rodents

Attic

Attics are classic rodent hideouts. Norway rats and house mice easily climb up through walls or external vegetation and then tunnel into insulation and boxes. Their chewing and tunneling can create a real fire risk when they reach wiring.

Signs of Rodents in the Attic

• Late-night scratching or scurrying overhead
• Droppings on joists, boards, or along access paths
• Frayed wires or gnawed insulation

Where to Install the A24 in the Attic

• Along walls or roof edges where rodents run for cover
• In corners that connect multiple runways
• Behind stored items or boxes, facing the main travel routes

Attic Prevention Tips

• Box up stored items and keep a clear path along the perimeter
• Use metal flashing or hardware cloth to close entry points rodents chew
• Seal gaps or cracks that allow airflow and odors to escape outside

Crawl Space

Once rodents get under a home, they can follow plumbing and wiring runs to other parts of the structure. They may chew pipe insulation, damage wiring, and use vent openings to move up into living areas.

Rodent Indicators in Crawl Spaces

• Scratching or movement sounds from directly beneath the floor
• Droppings along beams or near access hatches
• Gnaw marks on wiring or insulation
• Greasy rub marks along foundation walls or joists
• Nesting pockets made from debris and insulation

Where to Place the A24 in Crawl Spaces

• Along the interior perimeter where rodents follow walls
• In inside corners where runways intersect

Crawl Space Prevention Tips

• Fully enclose and seal the crawl space so openings are smaller than ½"
• Install a vapor barrier to reduce moisture that attracts pests
• Keep plants, vines, and shrubs away from the foundation
• Consider a shallow concrete trench or skirt to discourage burrowing

Automobile Storage

Cars and trucks that sit for long periods are perfect rodent shelters. Animals climb up from under the vehicle, build nests under hoods or in cabin spaces, and chew wiring. Rodent damage can lead to breakdowns, unexpected repair bills, or in extreme cases, fires.

How to Spot Rodents in Vehicles

• Chewed or broken wiring, especially in the engine bay
• Droppings on floor mats, in trunks, or under seats
• Torn insulation or seat foam gathered into nests

Positioning the A24 Around Stored Vehicles

• Along walls or corners closest to where the vehicle is parked
• Directly beneath or beside the vehicle where rodents first climb up

Prevention Around Vehicles

• Inspect vehicles regularly for gnaw marks and droppings
• Keep the hood open when practical to reduce dark hiding places
• Avoid storing food or trash in or near parked vehicles

Yard & Property

Outdoor rat and mouse populations can grow fast. Left unchecked, rodents roaming your yard will eventually find their way into sheds, barns, garages, and the home itself. They also threaten pets, wildlife, and stored feed.

Signs in the Yard or Garden

• Pellet-like droppings along fences, near compost, or around structures
• Grease marks on foundations, steps, or walls
• Tracks or trails through dust, mulch, or soft soil
• Gnaw marks on trees, wooden posts, or edging
• Narrow, worn paths (“rat runs”) through grass or vegetation

Where to Install the A24 Outdoors

• Along runways and trails, especially near cover or fences
• Mounted on trees where rodents climb branches
• Along fence lines and under dense shrubs
• Near wood piles, outbuildings, or compost areas
• Under carports or lean-tos

Outdoor Prevention Tips

• Keep garbage in sturdy bins with tight-fitting lids
• Store pet food, bird seed, and livestock feed in sealed containers
• Avoid using open bird feeders in rodent-prone areas
• Stack firewood away from walls and off the ground
• Trim vegetation away from building exteriors
• Inspect structures regularly and seal gaps over ¼" wide

Case Study: Suburban Property in Karori

On a 516 m² property in Karori with overgrown vegetation and a neglected bush reserve nearby, a homeowner installed an A24 to protect both a favorite tree and returning native birds. After an initial reduction in damage, rat numbers later increased. By relocating the trap to a more active spot, he recorded 21 rats killed in 29 days and is now planning a wider network of traps in the bush area to protect the wider neighborhood.

Read the full urban case study: A24 Rats – Urban (Karori) (PDF)

Chicken Coop

In chicken coops, rodents steal feed, eat or break eggs, and spread disease to your flock. Once they’re comfortable inside, they can tunnel under walls or climb through loose wire.

Signs Around the Coop

• Pellet droppings in corners, under feeders, or in nest boxes
• Grease marks on framing, feeders, or walls
• Visible tracks in bedding or around the structure
• Gnaw marks on wood, plastic feed bins, or wiring

Best A24 Locations Near the Coop

• Along the outside perimeter of the coop
• Close to feeders and high-traffic feed areas, but out of reach of birds

Keeping Rodents Out of the Coop

• Use hardware cloth with small openings; standard chicken wire won’t stop rats
• Remove feed at night so rodents can’t feast while birds roost
• Take away open water sources overnight where possible
• Store feed in sealed, rodent-proof containers
• Repair gaps, loose boards, and holes promptly

Farm & Barn

On farms, rodents are drawn to grain, feed, hay, and warm livestock areas. They spoil feed and bedding, spread disease to animals, and can damage pumps, motors, and electrical systems.

Farm & Barn Warning Signs

• Droppings in feed rooms, alleys, and corners
• Smear marks on beams, doors, and feed bins
• Tracks in dusty barn aisles or around equipment
• Gnaw marks on wood, posts, or bags
• Worn “rat runs” through hay or along walls

Where to Install the A24 on Farms

• Along walls and in corners of barns, stables, and sheds
• On or near fences where rodents travel between paddocks and buildings
• Near feed storage areas and feeding stations (out of reach of livestock)
• At active burrow entrances around structures

Farm / Barn Prevention Tips

• Keep garbage and spoiled feed in sealed containers
• Trim vegetation away from building exteriors
• Inspect buildings regularly and repair access gaps over ¼"

Rural case study: A24 Rats – Rural (Morrinsville) (PDF)

Vineyard

Vineyards provide abundant food and hiding spots. Rodents feed on grapes, chew stakes and irrigation lines, and move between rows, sheds, and equipment areas. Their droppings and urine are a contamination risk anywhere wine or juice is produced or stored.

Signs of Rodents in Vineyards

• Burrow holes near rows or around structures
• Droppings along posts, in sheds, or by equipment
• Piles of grape skins where rodents have fed
• Gnaw marks on stakes, vines, or irrigation components

Vineyard A24 Placement Ideas

• Near equipment and machinery where rodents climb inside
• On posts or stakes at the ends of rows
• At the base of trees or shelter belts near the vineyard
• Around the perimeter and inside storage sheds

Vineyard Prevention Tips

• Seal gaps in sheds and utility buildings
• Remove unused materials that could become nesting sites
• Keep staff food waste in covered bins away from vines

For video examples of the A24 in action, visit our Traps in Action video library .

Factory & Commercial Buildings

In factories, rodents threaten product integrity, employee safety, and equipment reliability. They damage packaging and stock, contaminate production areas, and chew wiring inside machinery and walls.

Factory / Warehouse Warning Signs

• Scratching noises in ceilings, walls, or behind racking
• Droppings along walls, behind pallets, or near loading docks
• Smear marks where rodents repeatedly travel along surfaces
• Strong urine odors in quiet or enclosed rooms
• Nests built from packaging or insulation
• Gnaw marks on stock, pallets, or structural elements

Where to Install the A24 Around Factories

• Along the outside perimeter to intercept rodents before they enter
• In inside corners of warehouses and storage rooms
• Along interior walls and behind racking systems

Factory Prevention Tips

• Keep trash and waste in sealed, frequently emptied containers
• Screen vents and openings with ¼" mesh where appropriate
• Maintain order in storage areas so activity is easy to spot
• Seal around pipes, conduits, and service penetrations
• Ensure gaps and cracks in walls and doors are reduced below ¼"

Related Reading

• The Potential Costs of a Rat or Mouse Infestation