The attic is one part of the house that's easy to forget about. Unlike the main living space, it is infrequently occupied and unlike the basement it contains no necessary appliances or equipment. Many modern homes don't even have easily accessible attics. Owners of older homes may use their attics for storage or simply seal them off to prevent heat loss during the winter. Typically, home owners don't think about pest control in their attic until there's a problem - that is, until they hear something scraping and scurrying. Here's what to do to keep pests out of your house's attic and what you can do if you suspect pests have already made it their home.
Attic pest exclusion
Older homes should be checked for any cracks or broken seals that might serve as entrances for rodents and insects. In many cases, a visual inspection will be sufficient enough to find such entry points. However, if you think insects might have invaded your attic through an as yet undiscovered crack, you may consider hiring a professional pest control service to survey your attic.
You should always check your home for damage after any serious storm. Branches thrown by the wind or falling hail can easily damage the roof, creating new entryways for pests. Similarly, heavy snowfall might cause parts of the roof to collapse slightly or swell with ice - these damages could cause major problems when spring comes and the ice thaws. Clemson University noted that mice can climb up the side of the house and into any opening larger than a quarter of an inch. Use plaster or wire mesh to keep them out of your attic.
Attic pest control
If you've heard scurrying noises coming from attic, chances are good that it's either mice, rats or squirrels. On some occasions racoons can even enter an attic, though they require a much larger entrance. According to Texas A&M University, snap traps are a good first line of defense for rodent control in attics. The university reported that where there's one mouse, there are usually more - so you'll need several traps to completely control the problem.
Pesticides like poison baits are another good option for attic rodent control. Poison is more effective here, because you generally don't have to worry about children or pets getting into it. That said, you should always be careful when using pesticides and only use chemicals according to their labels.