Quite often, in the repair of an apartment or house to create arches, columns and other jewelry, bent sheets of drywall are needed. Of course, in the store you can now purchase special sheets of arched drywall, however, its cost is an order of magnitude more expensive. In addition, a whole sheet does not always need, which then will simply now have to. To bend the sheet, you will need to measure the bending radius, since for different sizes your way.
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If the bend is not large, then you can use the dry method. A drywall sheet itself bends a little, but you need to know that with a thickness of 9 mm you can bend 130 cm, and at 12.5 mm no more than 180 cm. Next, you just break it in half.
If the bend should be cooler, then you need to soak it. For this, the canvas from the side where the bend will be, moistened with water. You need to do this two three times, but the sheet should not get wet completely. After 10-15 minutes of getting wet, you can safely proceed to the bend of the canvas. Of course it is best to first try this technique on a small segment.
With large folds, you will need a needle roller, you can buy it now everywhere. The procedure is the same, only the bending place needs to be well rolled up with a roller so that it turns into a more loose substance and loses its strength. Next, spread again and you can proceed.