English to Russian Tech/Engineering Architecture multiwall polycarbonate panel system

The Aluminum Span (10 series parts) Bar is a hollow aluminum bar that can be used as a rafter on a structure frame.
It can be straight or curved (by pre-rolling), and designed to perform both as a rafter and a fastener (no T – Bar Fasteners required in Span-Bar applications).
Span Bars are available in four sizes to match each panel type, and their maximum length is 6000mm.

Used in:
multiwall polycarbonate panel system which is appropriate for a variety of roofing and cladding designs, flat or curved.