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Mouse Proof House


Summary: Rats and mice can enter your home or workplace through a passageway smaller than you can imagine. They can jump, climb, swim and wind their way through nearly any man-made barrier.

The first question pest management professionals hear when we are called in to eliminate rodents from a house or building is “How did they get in here?” There seems to be a great misconception about the size entryway that is required for a mouse or rat to successfully get past man-made barriers.

Let's make it really easy. To achieve a mouse proof house figure a mouse can get past anything larger than a dime and a rat requires a hole only the size of a quarter. “No way!” everyone shouts. How in the world could an animal the size of a rat get through a hole so small? Rodents have the unique ability to elongate or stretch their bodies so that they need only worry about squeezing the bone structure of their heads through the holes they are trying to navigate.

rat_hole_1.jpg

If you look a comparison pictures of rats and mice it is easy to see that their heads are streamlined and certainly much smaller than the rest of their bodies. Noses are pointed and ears fold backwards, giving them a sleek appearance.The whiskers on their noses give them instant feedback as to whether they will fit through or not.

If you can see light coming from under a door threshold it is time to put on new door sweeps or entirely new threshold. Close up holes where pipes come through walls using quick setting concrete or hardware cloth.

Remember! Give a rodent an inch and he'll…..squeeze through it.





Comments

Paula
08 Nov 2008, 18:28
Hi there and HELP! I just need to know exactly what products I should use in order to make sure the little buggers (mice) do not come in here anymore. Nasty creatures! Is it true that they will chew through caulking as well as expanding foam? Do I use steel wool? Please give me whatever advice you can. Mice seem to enjoy living in our cellar where we store a whole bunch of stuff. I put almost everything now in Rubbermaid plastic containers. There are droppings on shelves and I see one dead mouse on the floor. He had eaten some poison. I can't stand to see them or their droppings so must stop their entrance now. Also, it is November and I need to know what works in this weather from the outside. Sorry to be so long winded.
Thank you in advance.
Paula
Ask the Exterminator
09 Nov 2008, 14:16
Rodents will chew on most available surfaces in order to keep their front teeth from over-growing their bottom jaw. So, the trick is to fill entry holes with products they will not chew through. Expanding foam will not stop rodents. Steel wool breaks down once it gets wet. You might want to try quick setting concrete patch or a copper mesh called Stuf-It.

It is very important to remove vegetation growing along foundation walls. Rodents like to move hidden from view, so anything piled against the house needs to be removed. Eliminate clutter in the basement and you will make it less desirable for rodents.
LATOYA
17 Jul 2009, 22:44
Please Help me!! I have a small mice problem just one I've seen so far and I do have small holes in my floor due to pipes i cant do much to cover that so i feel i am at a lost, will moth balls help keep him away?
Ask the Exterminator
18 Jul 2009, 22:54
You don't want to keep the mouse away. You want to catch it and get rid of it. Follow the suggestion I give in some of my rodent articles. Read them and learn how to properly set traps.
TIM
24 Jul 2009, 08:17
An exterminator came to my house yesterday to eliminate a mouse problem. Not 12 hours after he left, I went to the kitchen to get some water and there was already some mouse poop! How long after extermination should I expect to wait before the problem is gone?

This was actually the second time an agent from this company came. The first one apparently missed an enormous hole that was a point of entry for the mice.
Ask the Exterminator
24 Jul 2009, 10:10
In defense of your pest control vendor, he has a limited amount of time to search for mouse entry holes unless you are paying by the hour. So, he should put out an efficient number of traps to get the job done and the mice should be history in about three days.

Here's the problem with mouse control. Proper mouse trapping requires pre-baiting snap traps (You don't set the trap to go off at first.) or glue boards (You leave the cover over the glue). It requires a daily inspection for three straight days to help the mice get over their shyness to the traps and to accept the bait. Most homeowners won't pay for these visits, so the traps go out and sometimes you catch a mouse and sometimes you don't.

As for the possible entry points, no one knows a home better than the homeowner. A pest pro relies upon the homeowner to direct him to areas where mice might be gaining entry. The pro is not perfect and sometimes it takes more than one time at bat to get a hit.
Paul
21 Aug 2009, 07:15
What is the best way to fill gaps adound an area that gets hot? Such as around an oven or dryer vent hose.
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