Canberra made •
Improve winter comfort, summer control and acoustic performance by specifying the complete frame and glass system, rather than simply adding a second pane.
Start with the outcome you want: winter comfort, solar control, clearer views or reduced noise. These six options are a guide for discussion—not a substitute for a project-specific glass and frame specification.
Low-E is a factory-applied coating, not an aftermarket window film. Final availability and performance depend on the complete unit and frame selected.
Hard-coat Low-E is bonded to hot glass on the manufacturing line. Soft-coat Low-E is deposited after the glass is made and is normally protected within the sealed double-glazing cavity. Soft-coat options generally offer stronger insulation performance, but the correct choice depends on the complete specification.
Compare U-value for insulation and SHGC for solar heat gain. Ask for whole-window values for the selected frame and glass, rather than comparing glass-only figures with whole-window ratings. Also consider visible light, appearance, noise and orientation.
Bring your plans, window schedule and priorities to our team so the proposed glass build-up can be checked before ordering.
Technical background: glass choices explained and hard-coat versus soft-coat Low-E.
Two quotes can both say ‘double glazing’ while delivering very different results. Compare glass make-up, cavity, Low-E coatings, spacers, frame type, seals and installation.
Double glazing is an insulated glass unit with two panes separated by a sealed cavity. The result depends on the glass, frame, seals and installation—not simply the number of panes.
A suitable double-glazed unit can reduce heat transfer compared with single glazing. Compare whole-window U-values, which include both glass and frame; lower values indicate better insulation. Use the project’s energy assessment to guide selection rather than assuming all double-glazed windows perform alike.
Solar heat gain coefficient (SHGC) describes how much solar heat passes through a window. Select it alongside orientation, shading and daylight needs: winter sun may be welcome in one room while an exposed west-facing room needs more solar control.
Noise reduction depends on the glass make-up, seals and the rest of the building. Warmer internal glazing surfaces may also help manage condensation, but indoor humidity and ventilation still matter. Share any acoustic report or persistent moisture concerns before the glass is selected.
