Original state | Retrofitting strategies | Space intervention | |||||
Wall | Brick-concrete structure without insulation | Cavity insulation | Internal insulation | External insulation | Replace/repair exterior finish coat | Ventilated facade | |
Window | Single-layer glazing, wooden frame, no seal | Second single/double glazing | Replace with double/triple glazing | Fixed shading | Adjustable shading | Enlarge hole | |
Roof | Insufficient insulation | Asphalt insulation | Top floor panel insulation | Flat roof insulation | Green roof | Flat to slope roof | |
Balcony | Unclosed balcony, independent board, no insulation | Balcony board insulation | Remove/replace balcony | Covered with single glazing | Covered with double glazing | ||
Floor | Crushed stone concrete floor, no insulation | Insulation on top of floor panel | Insulation on bottom of floor panel | ||||
Retrofitting strategy icon | |||||||
Layer | strategies | icon | |||||
Wall | External insulation |
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Window | Double layer glazing |
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Roof | Upright flat roof insulation |
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Balcony | Wrap double glazing |
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Floor | Add insulation on the top |
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