Extruded Polystyrene Board (XPS Board) is a common building insulation material with the following characteristics:

1. **Excellent Insulation Performance**: Low thermal conductivity with significant insulation effect, suitable for insulation of walls, roofs, and floors.
2. **High Compressive Strength**: The structure is tight, with high compressive strength, suitable for ground insulation to bear larger loads.
3. **Moisture-proof and Water-resistant**: The closed-pore structure prevents water absorption, offering superior moisture-proof performance, making it suitable for humid environments.
4. **High Durability**: Resistant to aging and corrosion, with a long service life.
5. **Environmental Protection and Energy Saving**: The production and use of the product are environmentally friendly, which helps in building energy efficiency and reduces carbon emissions.
6. **Ease of Construction**: Lightweight and easy to cut, installation is convenient, which enhances construction efficiency.

### Application fields:
- **Building Insulation**: Used for insulation and heat insulation in areas such as walls, roofs, and floors.
- **Insulation for Cold Storage**: Suitable for insulation in cold storage facilities and refrigerated vehicles in low-temperature environments.
- **Geothermal heating system**: Often used in the insulation layer of floor heating to improve heating efficiency.
- **Road Engineering**: Used for anti-freezing and insulation of roadbeds for airport runways, highways, etc.

### Summary:
Extruded polystyrene boards boast excellent thermal insulation, compressive strength, and moisture resistance, making them widely used in the fields of construction and engineering. They are an ideal choice for insulation materials.