24 strips of cardboard tiles for roofs. These cardboard tile strips are available in 2 different sizes.

120 x 8 x 1 mm (item K005)

200 x 15 x 1 mm (item K012)

The smaller size fits well within the 20 to 28 mm range. The larger size fits well within the 28 mm range. By gluing these strips, as seen in the images, you will create 2 roof segments of 20 x 8 cm or 55 x 12 cm, depending on the chosen tiles.