In primary, laser levels are used for layout tasks that require high accuracy. Some typical applications include the setup of ceiling tiles, sewer pipelines, or even as simple as the installation of chair railings.
There is nothing incorrect with utilizing spirit or bubble levels, but the truth is that there are building and construction tasks where they are difficult to use. Spirit/bubble levels will assist you to create the standard, but you'll need the experience to do it.
Aside from aesthetics, another reason that I don't suggest spirit and bubble levels for construction is that they are only precise for the length of the level (around 1 to 4 feet), which indicates you'll have to keep checking for leveling up to the other end of your work area. Exactly what if your workspace was 25 feet in length? For sure, that would take a long time to determine.
Spirit or bubble levels have vials that are inadequately filled with liquid, in most cases, a colored alcohol. There is a bubble in the tube because the bottle is not filled entirely. If the spirit/bubble level is put on a truly horizontal or a vertical surface, then the bubble remains in the middle of the gauge.
Sadly, the middle of a gauge for one might be a few millimeters off for another. If you desire to work with an incline, it is practically difficult to keep the level at the same disposition, particularly if you have to keep moving in the procedure.
It is precisely in these scenarios where laser levels are best utilized. Some of the benefits of the best laser levels over spirit/bubbles are:
Laser levels are easy to use. Laser levels are highly accurate up to a portion of a millimeter. Laser levels make it simple to work with inclines.
Some standard laser level is manual leveling, which means that the user needs to look at a bubble vial to inspect if the device is leveled or not. To manually level the unit, he would need to adjust some thumb screws, which are, needless to state, cumbersome for novice users.
Self-leveling lasers have an internal pendulum that does the leveling for you. As its name suggests, it automatically levels itself up to 5 degrees-- even if the surface is not entirely horizontal/vertical, as long as the inclination is within 5 degrees, then you can utilize it as a recommendation point. If the unit is jarred and it leaves level by 6 degrees, then an out-of-level indicator usually blinks.
There are benefit and drawbacks to both types. Both types work, except that self-leveling lasers will save you time and can make sure more accurate results. Meanwhile, most manual leveling lasers are essentially maintenance-free, whereas it can be difficult to discover if a self-leveling laser is not calibrated.