Frontal connection for two roofing panels has profiled walls with rear cut aways, ribs or pockets which overlap without fasteners

摘要

The frontal connection for two roofing panels has profile walls (6,7) with rear cut aways, ribs or pockets (8,9) which overlap. The rear cut outs , ribs or pockets have spaced or removed sections. The roofing panels can have trapezoidal cross sections with the ribs etc. formed on them.