Alunet confirmed its not top hung. I've also spoken to the Catnic Technical department and they said would be sufficient to hold the load given its not top hung door.
We're having a 3.75m bifold installed in the rear wall of a single storey flat roof extension.
My question is whether a CX 50/100 Catnic will suffice. The concern is mainly whether it can take the concentrated load of the bifold when it's folded out.
The bifold is 3.74m long, 4 door - opening...