All Lugarde windows and doors are now double glazed as standard 4 + 16 + 4 argon filled with a 1.1 U value. Most models in the Lugarde range are adaptable, eg. all single doors can be made 1000mm wide for an extra charge (except PR29). Standard doors have a height of 180cm or you can have a taller 193.5cm version. Measurements are opening sizes. Width of the frame is opening size +120mm (except garage doors). All single doors are left hinged as standard. If you require right hinged doors, please indicate at time of order. With double doors, the right door will open first.