Window Settings
Openable
Fraction (%) of window area that is openable for natural ventilation. Typical fractions (%) of window areas include.
Window Type | Single-pane window | Double-pane window (half fixed, half openable) |
---|---|---|
Awning | 90% | 45% |
Casement / tiltโnโturn | 90% | 45% |
Double-hung | 45% | 22% |
Louvre | 90% | 45% |
Sliding | N/A | 45% |
All window types shown with safely restrictors | 10% | 10% |
These percentages can vary depending on factors including building codes, rating tools, security, climate, and architectural design.
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