2.1. Direct glue method
Apply (with a roller) a thin layer of white glue on the paperboard inside the reference marks.
Position the document, smooth with a blotter.
Put under the weight of a press for 15 minutes.
2.2. Kraft paper strip mounting
Cut four strips of white Kraft paper, the dimensions of the document + 2 cm.
Position the document on the mounting board.
Dampen a first strip of Kraft paper, stretch with your hands and align it with half on the left edge of the document and half on the mounting board. Smooth the Kraft paper with a blotter.
Repeat for the other strips.
2.3 Hinge mounting method
Cut two strips of Kraft paper 2 x 1 cm.
Fold each strip in half, glue one face of the fold, apply on the back of the document, near an upper corner.
Glue the other face, put the document on the mounting board and press for several minutes.