Why Pests Keep Finding Their Way Indoors
7 Entry Points You Should Check Around Your Home
You don't have to leave your doors wide open for pests to get inside.
In fact, many household pests can take advantage of surprisingly small openings around your home.
A gap around a pipe. A damaged screen. A space beneath a door. A crack around a window.
These small openings can become convenient pathways for insects looking for food, water, shelter, or a more comfortable environment.
Find the pathway. Address the conditions. Treat appropriately.
A simple inspection can be an important part of a broader household pest-management routine.
1. Check the Space Under Exterior Doors
The bottom of an exterior door is one of the easiest places for pests to find a way inside.
Over time, weather stripping can become worn, damaged, or compressed. That can leave a gap between the door and the floor.
Even if the gap looks insignificant, it can be worth checking.
What to Look For
- Visible gaps beneath doors
- Damaged weather stripping
- Light visible from underneath a closed door
- Insects gathering near the threshold
- Dirt or debris trails near the entrance
A properly fitted door sweep or weather seal can help close unnecessary gaps.
2. Inspect Window Screens
Open windows can provide ventilation without necessarily inviting insects inside — provided the screens are intact.
A tiny tear may be easy to overlook.
Small Holes
Check the entire screen surface.
Loose Edges
Inspect where the screen meets the frame.
Damaged Corners
Look closely at corners and seams.
Poor Fit
Make sure the screen sits securely.
3. Look Around Pipes and Utility Lines
Homes have numerous pipes, cables, and utility lines entering through exterior walls.
Those penetrations can sometimes leave small gaps around the openings.
Potential Areas to Inspect
- Plumbing pipes
- Outdoor faucets
- Electrical cables
- HVAC lines
- Internet and cable connections
- Other utility penetrations
You don't necessarily need to seal everything yourself. For anything involving electrical systems, plumbing, or structural components, use an appropriate professional when necessary.
The important first step is simply knowing where these potential openings are.
4. Don't Forget the Garage
The garage can be an overlooked entry point because it connects directly to the outdoors while often containing cardboard, stored items, tools, and other materials.
Garage Door
Inspect the edges and bottom seal.
Corners
Check for visible gaps and activity.
Wall Openings
Look around utility penetrations.
Storage Areas
Inspect stored materials and clutter.
Pay particular attention to the seal along the bottom of the garage door.
5. Check Around Utility Rooms
Utility rooms often contain conditions pests can find attractive:
Check around water heaters, washing machines, utility sinks, and other equipment for gaps or areas where pests may be entering.
Also look for moisture problems or leaks that could make the area more attractive to insects.
6. Examine Cracks Around Windows and Doors
Even when a window or door is properly installed, the surrounding frame can develop gaps over time.
Areas Worth Checking
You don't need to panic over every tiny crack. Instead, look for persistent or obvious openings that connect directly to the outside.
7. Inspect Vents and Other Openings
Homes need ventilation, but exterior vents can also create potential access points.
Dryer Vents
Bathroom Vents
Attic Vents
Crawl-Space Vents
Make sure screens and covers are intact and properly fitted.
Why Finding Entry Points Matters
Pest control isn't always about treating the insects you see.
Sometimes it's about understanding why they're there in the first place.
The Pest Is Often Only the Symptom.
The bigger question is what attracted it and how it gained access to the home.
If ants repeatedly appear near one window, for example, spraying the ants may address the immediate activity, but you may also want to investigate what is attracting them and whether there's an accessible entry point nearby.
The same principle applies to other household pests.
Find the pathway. Address the conditions. Treat appropriately.
Don't Ignore What Attracts Pests
Entry points are only one piece of the puzzle.
Food Crumbs
Standing Water
Leaking Pipes
Pet Food
Garbage
Excess Moisture
Clutter
Organic Debris
That's why an effective household pest-control routine can combine prevention, sanitation, maintenance, and appropriate treatment.
Where Nature's Dome Fits In
Once you've identified areas where pest activity is occurring, you can take a more targeted approach. Instead of treating every part of the home, focus on the pest, the location, and the conditions contributing to the activity.
Nature's Dome offers plant-based pest-control products for a variety of household and outdoor pest-control needs.
Nature's Dome Pest Control Spray – 16 oz
A ready-to-use pest-control option designed for a range of common household and outdoor pests. Always check the current product label for approved pests, application areas, directions, and precautions.
A Better Way to Approach Household Pest Control
Instead of waiting until you have a major pest problem, think about pest control as a combination of small, practical habits.
Inspect
Find where pest activity is appearing.
Identify
Determine what type of pest you're dealing with.
Investigate
Look for food, moisture, shelter, or potential entry points.
Prevent
Address appropriate gaps, damaged screens, leaks, or other conditions.
Treat
Use a product specifically labeled for the pest and intended application area.
This approach can be much more targeted than simply spraying every room.
Don't Just Spray the Whole House
More product doesn't automatically mean better pest control.
If you're seeing ants around one window, start by investigating that area.
If mosquitoes are entering through a damaged screen, fixing the screen may be more useful than treating the entire interior.
If insects are gathering around a leaking pipe, address the moisture problem.
Understand the problem before choosing the treatment.
Keep a Simple Pest Inspection Routine
You don't need to spend an entire weekend inspecting your home. A quick seasonal check can help you notice potential problems before they become obvious.
Around the Exterior
Look at doors, windows, vents, and utility penetrations.
Around the Kitchen
Check food storage, garbage, sinks, and areas where moisture may accumulate.
Around Bathrooms
Look for leaks, damp areas, and gaps around plumbing.
Around the Garage
Inspect the garage door seal and stored materials.
Around the Yard
Look for standing water, excessive debris, and vegetation touching the structure.
Nature's Dome Pest Control Spray – 32 oz
If you want a larger ready-to-use size, Nature's Dome also offers a 32 oz Pest Control Spray.
32 oz Ready-to-Use Pest Control Spray
A larger format for appropriate applications around the home and outdoor areas. Check the current label before use for the approved pests, application locations, directions, and precautions.
Shop 32 oz Spray →What About Larger Areas?
For homeowners or property managers dealing with larger areas, Nature's Dome also offers larger-format pest-control products.
Nature's Dome Pest Control Spray – 1 Gallon
A larger-size option for appropriate pest-control applications. Choose products and quantities according to the pest, application area, and current label directions.
Explore Larger-Size Options →Prevention Doesn't Have to Be Complicated
A pest-free home isn't necessarily about doing more.
It's often about noticing more.
Those observations can tell you much more than simply seeing a pest and immediately spraying it.
A 10-Minute Pest Entry-Point Check
Set aside a few minutes and walk around your home.
You don't need to fix everything immediately. The goal is to identify what needs attention.
The Bigger Picture
Pest control works best when you think beyond the insect itself.
A pest may be responding to something in its environment:
Food
Water
Shelter
Warmth
Access
Sometimes there may be several of these factors at once.
Your goal isn't necessarily to eliminate every possible condition. It's to reduce the conditions you can control and use appropriate pest-control products when necessary.
Don't just look for the pest.
Look for the reason it's there.
Final Thoughts
Pests don't need a wide-open door to enter your home.
A damaged screen, a gap around a pipe, or worn weather stripping may be enough to create an opportunity.
That's why one of the simplest pest-control habits is also one of the easiest to overlook:
Inspect the way pests get inside.
Combine regular home maintenance with good sanitation, moisture management, and targeted pest control.
When treatment is necessary, choose a product designed and labeled for the specific pest and application.
Nature's Dome offers a range of plant-based pest-control solutions that can become part of that broader approach.
Protect Your Home From the Inside Out
Inspect common entry points, address conditions that attract pests, and choose targeted pest-control solutions when needed.
Shop Nature's Dome
Pest Control Spray – 16 oz
A convenient ready-to-use option for appropriate pest-control applications.
Shop 16 oz →Explore All Products
Explore Nature's Dome's broader range of pest-control solutions.
View Collection →Explore Nature's Dome
Discover Nature's Dome's plant-based pest-control solutions for home, yard, pet, and everyday pest-control needs.