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Processing gypsum plasterboard

Processing tips

Gypsum plasterboard panels are stored flat on a level and dry surface. Larger panels are only transported upright.

Straight parts are cut by notching the visible side along a steel rail, breaking the plaster core and separating the cardboard from the rear.
Using a surform plane, the rough cut edges of the gypsum plasterboard panel are smoothed off.
Openings for electrical installations can easily be made using a socket cutter.
A jigsaw can be used to cut irregular cuts using a suitable saw blade.

Processing joints correctly

The edges of gypsum plasterboard panels are rounded off at the factory along their length.
If the gypsum plasterboard panels have to be cut, straight cut edges are produced which have to be chamfered using a chamfer plane. The resulting joints are filled with joint filler.
Reinforcement strips, the entire surface of which are embedded in the fresh filler compound, provide additional strength for surfaces subjected to particular strain.

Load fastening on gypsum plasterboard panels

Skip anchors: Versatile cavity anchors for fastening lamps, shelves, curtain rails etc. However, an appropriately large cavity is required to hold the threaded rod.

Anchor: Cavity anchors for fastening small loads. Suitable for skirting boards, switches, lamps, picture frames, cable ducts etc.

Plasterboard anchors: Fast assembly dowels for fastening lamps, curtain rails, switches, picture frames etc.

Cavity anchors: Metal anchors for metric screws and as plastic anchors for woodscrews. Suitable for fastening lamps, shelves, sanitary installations, suspended cabinets, wardrobes etc.

Note: Observe the load limits and assembly guidelines recommended by the manufacturer.

Creating walls

Creating straight walls with gypsum plasterboard panels

Correct fastening of gypsum plasterboard panels with adhesive binder is not possible on uneven masonry, damaged plaster or timber framework.

Here dowelled wooden battens or metal profile rails are suitable for panel assembly. The battens are anchored and aligned vertically and horizontally.
The distance between the wooden battens or profile rails should be half the panel width.
The panels are screwed on using dry wall screws at distances of 25 to 50 cm. Ensure that the joints are offset during assembly.
The resulting joints are filled with joint filler and smoothed off after drying using sandpaper.
The panels should be primed appropriately prior to further work, such as the application of wallpaper.

Creating supporting walls

Facing formwork is the ideal installation subsurface for gypsum plasterboard panels everywhere where uneven masonry has to be evened off, or where installations have to be concealed in the wall cavities.
The facing formwork is mounted in the free-standing method. Suitable for this method are wooden frames measuring 6x6 cm or, as shown here, metal profiles which provide further advantages as well as their dimensional stability.
First the floor rail is installed. To do this, drill the anchor holes.
Adhere the rail across its entire surface with self-adhesive sealing tape prior to screwing down the rail.
Next, screw on the ceiling profile exactly vertically over the floor profile. Now the frame profiles are added, and screwed down using dry wall screws on the floor and ceiling profiles. When installing heat insulation, a vapour barrier should be installed to prevent condensate water formation on outside walls.
Now the facing formwork can be planked accordingly. Prior to wallpapering them, paint them with a primer.

Room divider

When producing partition walls, it is possible to install the panels onto wooden frames, but it is even better to use profile rails. These are dimensionally stable and require no additional fittings as required for wooden frames. The wall progression is first drawn out on the floor using a chalk line or straightedge. Here please take into account any door openings required. Now transfer the wall progression onto the connecting walls and the ceiling. Add sealing tape to the floor and ceiling profiles and fasten it. When distributing the standing profiles, the installation distance should be half the panel width.
After assembly of the frame, the first side of the wall can be planked.
A thermal insulation and sound insulation can be installed in the cavity once the required installations have been fitted.
Now the second side can be planked and the walls wallpapered after painting them with wallpaper primer.


Spirit level
Folding rule
Socket cutter
Chamfer plane