What Are the Best Tips for Using a Laser Level?

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  • Written By: Lori Kilchermann
  • Edited By: Lauren Fritsky
  • Last Modified Date: 05 October 2019
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Using a laser level is usually an uncomplicated process, however, there are some basic tips to ensure the laser is not only used properly, but that it is used safely. One of the most important tips in using the laser level is to wear proper eye protection and to avoid pointing the laser toward someone's eyes. If eyes are subjected to direct laser light, permanent eye damage may result. It is also important to zero or level the laser level before using it. Each laser leveling device has an indicator marker to identify when the laser is properly positioned on a wall, table or floor.

Unlike a conventional level that must be held very steadily in place to mark a level line, the laser level can be stuck on a wall and left alone with a bright beam of light marking the level position on the wall. That same bright beam of light that so accurately provides guidance from the laser level can also create substantial problems for anyone who looks directly into the light beam. The concentration of light power that is sufficient enough to create the laser level beam can permanently blind or damage the human eye with even the slightest contact with it.


One of the best tips when working with a laser level is to wear special protective eye wear. This eye wear is designed to reflect the laser level light beam to protect the eyes from harm. The eye wear should be worn by anybody in the room with the laser level and the eye wear will also serve as protective wear when drilling, cutting or hammering. It is also important to properly set up the level prior to using it to ensure that the indicated level light is indeed level. By checking the indicated level mark on the laser device, the level can be properly positioned.

Another tip to properly working with a laser is to make certain there are no obstructions in the path of the laser light. Obstructions, such as a raised nail or torn piece of wallpaper, will occasionally be in the path of the laser light and will prohibit the laser from properly illuminating a level sight path. By running a hand over the area to be leveled, the obstructions can often be felt and eliminated. When working on freshly plastered or dry-walled areas, occasionally a light sanding will remove any raised areas that might deflect a laser's light beam.


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