Improving Indoor Air Quality by Using Sheep Wool Thermal Insulation

Area of Science:

• Building Science
• Environmental Health
• Materials Science

Background:

• Increasing demand for energy-efficient buildings and healthy indoor environments.
• Need for sustainable and effective insulation materials.
• Assessing natural materials for dual-purpose applications in buildings.

Purpose of the Study:

• To evaluate sheep wool mattresses for simultaneous thermal insulation and indoor air quality improvement.
• To analyze the thermal performance indicators of sheep wool insulation.
• To assess the impact of sheep wool on indoor air quality parameters like humidity and formaldehyde levels.

Main Methods:

• Measurement of thermal conductivity coefficient and thermal resistance.
• Analysis of water vapor permeability, sorption, and desorption characteristics.
• Quantification of formaldehyde concentration reduction in controlled environments.

Main Results:

• Sheep wool mattresses exhibit favorable thermal conductivity and resistance, suitable for building insulation.
• Demonstrated ability to control indoor air humidity through water vapor sorption/desorption.
• Significant reduction in formaldehyde concentration, indicating improved air quality.

Conclusions:

• Sheep wool mattresses are effective for enhancing building thermal efficiency.
• These natural materials contribute to better indoor air quality by regulating humidity and reducing pollutants.
• Utilizing sheep wool can lead to healthier living spaces and reduced public health risks.