Screeding levels are primarily used in the final stages of floor (and sometimes wall) coatings.
Screed is a name given to flooring products, generally a concrete mixture, consisting of cement, water and an aggregate (nothing to do with football, but a coarse material like sand or gravel). Screed is usually the top layer of flooring: a finishing coat.
Screeding levels are used to spread, smooth and tamp (see below), ensuring that floors (and occasionally walls) are even and ready for the decorative finish.
Screeding a floor is different from plastering a wall in that there is a wide range to the consistency of products used, which will be smoothed in different ways. The screeding level can be used to lay both the denser and thinner products.
You would use a screeding level when laying a floor because it is sturdy and designed to push around both fluid and dry products. It can also be used to lay the flooring material over underfloor heating.
What can a screeding level do?
Spread
The screeding level can be slid across the floor, pushing the product and spreading it across the entire area.
Smooth
In a similar way, the screeding level can be pushed across the floor, but to smooth the finish of the product and ensure it is smooth and level.
Tamp
For denser and dryer products, the screeding level can be repeatedly banged over the surface of the product to pack it down.
Other uses for a screeding level
Screeding levels can also be useful for drawing straight lines and checking that a surface is level. These are not main functions of the tool, but an added bonus of their design.