Wall Rails are galvanised Z profiles, produced by cold roll forming.

There are two fixing methods.
Either they are continuous with overlaps adjacent to the main frame columns, the connection being made using galvanised bolts directly into the column flanges.

or

They can be simply supported between the columns, the connection being made using cleats and galvanised bolts into the column webs.

The two systems are valid for sidewalls and endwalls.

Steel quality S 350 GD according to EN 10147