
Ideally, each type of surface finishing determines the specific cost of the profiles since they are unique and have different specifications.
One consideration is that exterior-grade windows come with thermal insulation and double-glazed units; these elements are not usually needed inside the home. Where you don’t need specific sound or insulation requirements of double-glazed panes, single-glazed glass creates a better overall look. Internal single-glazed windows are also slimmer in most cases.
Aesthetic Appeal