No one expects to get a mice infestation, squirrels in their attic, or a raccoon in their chimney. But it happens all the time. Having these types of pests in your home can be a stressful and serious issue. These wild animals can spread diseases and parasites. They can cause significant damage to your house, like your insulation or wires. They can reduce the value of your home. And they can also be dangerous.

Unfortunately, most homeowners only start thinking about pest control and reacting to an infestation once some of these critters have entered their homes. By then, it’s probably too late. They’ve already caused an unhealthy environment, put you at risk, and caused costly damage.

Instead, consider pest control as a preventative measure. By knowing the problem areas in your home that make you vulnerable to critters, you can repair and reinforce them to make sure you’re not creating any easy entry points for them to come in and make themselves at home.

Here are the most common problem areas in your home to check for vulnerability.

1. Exterior Structure

Holes and cracks in your home’s walls or foundation can mean trouble. You might think that they’re too small to be a significant issue, but the tiniest opening in brick, wood, or siding can allow entry to mice and other small critters. Survey the outside of your property to look for any small cracks or holes. Even a dime-sized hole can be big enough for a mouse to squeeze into.

Loose cement around the foundation or cracks in your bricks should be sealed up with caulking or replaced.

2. Windows and Doors

You could also have holes in your doors and windows. Bay windows are common entry points for small animals. Perhaps the mesh screens on your windows are slightly ripped—and that’s all it takes. Maybe you have windows or doors that don’t close properly. These should be fixed.

Consider installing automatic door closers on doors that tend to get left open often. Fly screens are also effective barriers—fit them on your windows and doors. Window wells should also be covered by commercial grates.

3. Roof

One of the biggest problem areas in your home that will make you vulnerable to critters is your roof. There could be gaps, spaces, and holes that pests can use to get into your attic. This is especially true if you’ve made additions to your home that created gaps between the roof and walls. A roof that accumulates water also invites rats and other pests to hang out, as it makes a suitable condition for them to thrive in. In addition, damage from harsh weather conditions might have made holes that you aren’t aware of. Inspect and fix any gaps or holes, and regularly unclog your roof drains, waterspouts, and gutters. Make sure to check your soffit vents and fascia as well—these are often used to gain entry to an attic.

4. Bridges

Other problem areas in your home that you might not have considered are the bridges. Consider if there are any trees outside with long branches that can be used by critters to access your home. It might be best to trim the branches as a preventative measure.

Not all of your visitors are welcome, so make sure to keep them out by repairing and restoring the problem areas in your home that make it easier for critters to enter.

5. Chimney

Wild animals often get stuck in chimneys. It seems like a warm, cozy place to sleep, and the next thing you know, they’re stuck and can’t get out. To protect your chimney from critters, buying a chimney cap is critical.

Not all of your visitors will be wanted guests. Protect yourself against intrusions by repairing and restoring the problem areas in your home.

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