“Lighthouses” are guides with which the plane of the screed is aligned. If the beacons are made correctly – your screed will be even, no – it will not be. Therefore, lighthouses for aligning the floor play an important role. As a rule, to set beacons, almost all builders use metal pipes or profiles.
The main requirement for the lighthouse is that it be very tough and would not bend, and could be very reliably fixed in any necessary position.
Set the beacons in different ways. Someone puts them on the “slides”, making them from a very thick solution, someone prefers to attach them to the base, using adjustable screws. But this is an individual matter of each master, the main thing is that in any situation it would be possible to accurately adjust the height and rigidity of fixation.
Lighthouses should be set in parallel, so that the distance between them would allow to rest on their ends of the rail-right, with which the solution will be leveled.
Lighthouse alignment is performed using a rack level. This is done both in terms of the length of each beacon specifically, and by the length of all established lighthouses among themselves.
If there are places where the screed will have a level drop, then formwork from plywood is installed that does not allow the solution to move from one specific zone to another.
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