The heavy weight glazing sections remove the need for steel inserts and many bolsters. It looks better, fits quicker and saves money.
We have a range of super-heavy long span glazing bars for larger roofs. The XT4 heavy duty glazing bar is capable of 4m spans at 800mm centres without bolsters or expensive steel inserts. We also have the heavy duty hip bars, XGH4 and XVH4.
The sections in the super-heavy range are the same height as standard (78mm) so that they can mix and match in the same roof.