Title: +038=221.001-#####T_01-Ruukki - Sandwichelement - Produktinfo.pdf
If support studs are running to same direction as panels (e.g. both panels and support studs are installed vertically), the maximum stud center is 600 mm. Support studs must reach the panel ends.If base structure is not flat, i.e. panels are not forming an even surface (e.g. due to tolerances in load bearing frames) to cladding material, adjustable Ruukki studs have to be used. Adjustable Ruukki studs can accommodate up to 30 mm tolerances.EN Ruukki Forma design instructions 3