We finish all types of attics with plasterboards fixed to the rafters with a horizontal grate made of battens. However, it is better to use boards of non-standard thickness, but thicker so-called. fat people. These plates are thick 20 or 25 mm is screwed on without a grate, directly to the rafters. Moreover, the individual boards do not need to be joined along the rafter axis. The contacts can fall anywhere between them. It is enough to fix a simple wooden batten with screws in the contact line from the bottom of the boards.
