Insulated Glass Units | Building Materials
Comprehensive guide to Insulated Glass Units (IGUs) including properties, applications, advantages, and limitations. Learn about these energy-efficient glass assemblies used in windows, curtain walls, and facades.
Composition
Silica-based material with additives for specific performance characteristics
Properties
Density
2500 kg/m³
Standard glass
Thermal Conductivity
1.0 W/mK
Poor insulator unless treated
Tensile Strength
30-100 MPa
Varies by treatment
Applications
Interior applications
Insulated Glass Units can be used for interior walls, floors, and decorative elements.
Exterior applications
Insulated Glass Units is suitable for exterior facades, cladding, and structural elements.
Specialized uses
Insulated Glass Units has unique properties making it ideal for specific architectural features.
Advantages
- Transparent - allows natural light
- Recyclable material
- Impermeable to liquids and gases
- Resistant to chemical damage
Limitations
- Poor thermal insulation (unless specialized)
- Fragile and brittle
- High cost for specialized treatments
- Privacy concerns
Sustainability Profile
Glass is infinitely recyclable without quality degradation, though production is energy-intensive. Its ability to harness passive solar energy in buildings can offset energy costs over time.