Usage outside of the ridge area (i.e. the middle of the sheet) entails movements at the ends of the sheet which must be allowed
For > 30 m long sheets, high snow loads, permanent loads (i.e. machinery) or excessively large structure tolerances, use two or more RA 120. For these applications, please refer to fixed point guidelines or contact the ISCOM technical office
It is always advised for the design to be carried out by a competent technician, excercise extra caution lo loads caused by extreme weather conditions
INSTALLATION ADVICE
With two or more RA 120 on the sheet il is recommended lo install on purlins placed in the same fixed point area (max separation 2 m)