Macomb County, Michigan Rat Control Services
Rodent entry elimination: We see many attempts by handymen, pest control companies, and Macomb County, Michigan rodent extraction companies that do not include the removal of any roofing material. Often the prevention includes the emptying of a can of foam into the void. Without the removal of roofing material, there is no assurance that rodent entry will be eliminated. When we encounter these substandard attempts, we must first remove the previous application. When this includes foam, the extraction of the foam takes longer than the application of our wire prevention product.
Rodent elimination by those who are not insured exposes you, the Macomb County, Michigan homeowner, to unnecessary liabilities. It is in your best interest to request proof of insurance for worker’s compensation and public liability before work begins on your roof. It’s doubtful that you will find these companies or individuals carry such insurance. Those who do not often work in this environment typically cannot afford expensive roofing insurance.
Rub marks - rats get coated with dirt and they like to rub against the walls to find their way around a room’s perimeter, since they can't see so well.
Urine Stains & Odors - Rodent urine deposited on rodent runways appear as a line of fine drops or streaks under an ultraviolet flashlight, or black light tool.
Indoor nests usually are constructed in insulation such as in attics.
Sounds Noises produced by scurrying rats, scratching in the walls or other noises from nest building may tip off the property owner to a rat problem.
Roof rats are susceptible to all of the various anticoagulant rodenticides, but less so than Norway rats.
For rats, all openings greater than 1/2" should be sealed.
Place traps where they will intercept rats on their way to food, such as on overhead beams, pipes, ledges, or sills frequently used as travel routes (Fig.
Roof rats are adept climbers and not surprisingly are apt to build their nests in locations above ground.
Leptospirosis - a disease transmitted from contact with rat urine that is serious enough to cause humans to bleed in the lungs.
The food habits of roof rats outdoors in some respects resemble those of tree squirrels, since they prefer a wide variety of fruit and nuts.
Rat Bite Fever - from the saliva of a rat, it comes from rats biting humans.
Most information on this subject comes from populations confined in cages or outdoor pens.
Roof rats have hairless, scaly tails that are longer than their heads and bodies.
Since roof rats rarely dig burrows, burrow fumigants are of limited use; however, if they have constructed burrows, then fumigants that are effective on Norway rats, such as aluminum phosphide and gas cartridges, will be effective on roof rats.
Various sounds that indicate rodent activity include gnawing, scratching, and digging noises.
Bait stations are sometimes difficult to place for roof rat control because of the rodents’ overhead traveling characteristics.
The Norway rat is generally considered the most important rat in the United States.
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Grease marks are produced as the rodent travels along an edge, and the oils in their fur are deposited.
Then they return to the attic.
The commercially available, expanded plastic treadle traps, such as the Victor Professional Rat Trap, are particularly effective if properly located in well-traveled paths.
Trap at left is modified by fastening a piece of cardboard to expand its trigger size (traps with expanded treadles can also be purchased from several manufacturers).
In some situations, pet food and poorly managed garbage may represent a major food resource.
Some of the more important non-chemical methods are:
A preferred categorization would be “anticoagulants” and “non-anticoagulants” or “other rodenticides.
The smallest imperfections during the construction and roofing of a home can lead to a rat infestation.
Read more about where rats live.
Females can breed year-round.
Rats can squeeze into a hole the size of a quarter.
The traditional style snap traps are still among the best ways of dealing with a rat problem, and these are simple to set and bait, and you should look to place them in areas where the rats are active, so where you can see feces and smudges on the walls.