Drywall is one of the most popular materials for installing a multi-level ceiling: with its help, it is quite realistic not only to visually increase the space of a room but also to geometrically redesign the appearance of the room. When installing multi-level ceilings, it is easy to hide existing defects in the rough ceiling. And of course, the installation of multi-level ceilings makes it possible to “hide” in its electrical wiring, ventilation, and other important communications.
How a multi-level ceiling is made is described in detail in this article.
Multilevel Plasterboard Ceilings
Despite all the diversity, the multi-level ceilings have something in common – they are all made on the basis of a metal frame sheathed with plasterboard. The principle of constructing multi-level ceilings is to install a straight-line duct running along the entire perimeter of the ceiling. The width of the box is usually 400-500 mm, and the height, depending on the design project and the communications, fixtures, etc. located in the ceiling space.
Before making a multi-level ceiling, it is necessary to mark the horizontal level of the lower part of the box along the perimeter of the room (using a level with a length of at least 1200 mm, a water level and a chop cord). Along this line around the entire perimeter of the room, a profile guide ceiling PNP 28/27 is installed. Fastening to the wall of the guide profiles is carried out using sealing tape (sealant), dowels with a pitch of not more than 500 mm. In addition, each PNP 28/27 profile must be fixed with at least three dowels.
The next operation when installing multilevel gypsum plasterboard ceilings is the installation of PNP profiles along the boundary line of the box, When marking under these guides, keep in mind that when assembled, the width of the box will increase by the thickness of the drywall sheet. It is immediately necessary to make two identical sets of PNP profiles. One of them is attached to the base ceiling. Cut from the waste of the PNP-profile of the workpiece with a length of 120-140 mm. Starting from the edge, screw these segments to the second set of PNP profiles. They should be fixed with two self-tapping screws for metal with a pitch of 600 mm. Then cut pieces from the ceiling profile PP 60/27, the length of which is equal to the distance from the base ceiling to the PNP profile mounted on the wall. Insert them into the PNP profile mounted on the ceiling in 600 mm increments.
Insert the PNP profile with the segments bolted to it into the PNP profiles mounted on the walls. Align it and screw with metal self-tapping screws to the vertical PP profiles.
Cut lengths from the PP profile equal to the distance between the horizontal PNP profiles, and secure them with self-tapping screws for metal. After the frame is similarly mounted around the entire perimeter, you can proceed to face it with drywall. The step of placing self-tapping screws along the supporting profile of the frame should not exceed 150 mm.
Consider the installation of a ceiling outlet of a multi-level ceiling made of drywall, that is, a non-linear element. It will be a kind of “puck” with a protruding rim along the edges (something like a hoop). It should be noted that the implementation of such a project involves the use of drywall sheets having a curved (bent) surface. They can be made by dry or wet bending.
Before you make a multi-level ceiling from drywall, familiarize yourself with these two methods.