For safety reasons, conservatory over certain sizes, of with certain specifications, need tie bars to provide the installation with added structure integrity.

Generally for a conservatory with a glass roof tie bars are required, from the following depth: 3251mm (3751mm for a polycarbonate roof). In the case of some designs a tie bar will be obligatory regardless of the size.

Your installer will be able to advise; if you have had tie bars installed, do not remove them, as you might invalidate your guarantee.