I have hired someone to put up a new fence. We’ve asked for 5 ft 6 inch panels with 6 inch gravel boards and 1 ft trellis. Our gardener has said that he can’t easily acquire the 5 ft 6 inch panels so he’s suggesting cutting a 6 ft panel to size. Can anyone tell me if that’s wise or could it be problematic with regards to the integrity and strength of the panels? Thanks