B: Length 1348 mm (4ft5)

In most configurations

Gutters: 5 ft 3 in

you will have to provide that

and exceptional clarity for maximum light transmission

Exaco | Drop Door Kit estimateend-90 B: Length 1348 mm (4ft5)Drop Door Kit for Hinged Door or Sliding Door. This allows a standard Royal Victorian greenhouse such as a VI 23, VI 34, VI 46 to be placed on top of a knee wall usually 20" 36" high (24" might be best). This kit does not include the small new glass panels needed above the doors they should be ordered locally to size. This is because of potential variations in the wall or threshold details we don't want to send glass that will not fit. We can supply