As soon as the cold comes, a person begins to think about the fact that it is necessary to perform insulation of a house or apartment. After all, you will probably want to come from the frost in a warm and comfortable house.
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Most often, foam is used as a heater. This material is sold in large sheets. Which is inconvenient enough to cut, since with improper cutting it will begin to crumble, or break.
In order to easily cut the foam, it is not recommended to use an ordinary knife. To cut it, it will be necessary to use an electric sailor. For this, the cut would be even, you will need to flatter the tip before using it. You can do this with an ordinary hammer. Then, on a flattened tip, you will need to put on a special device that will hold the blade of the hacksaw. Such a tool you can easily and quickly cut the foam sheet of the size you need.
It will also be possible to use a nichrome thread, which must be preheated. You can take such a thread from the hair dryer or other electrical appliances that you have at home, but no longer work.