Find fixed casement and picture windows at KD Exteriors’ Sarnia showroom and let us take care of your window installations in Sarnia! Fixed windows do not open, but they can be combined with other window styles for a unique look. On their own, fixed windows offer a great view. Also available are custom shapes. Express your creative side by adding a distinctively designed custom pattern window to your home! Fixed casement windows come standard with an internal drainage system and provide maximum glass area!