Building materials and noise control
2. A building shall have a pleasant or neutral smell, not releasing any toxins.
3. Use building materials with the lowest possible level of radioactivity.
4. Protective measures against noise and vibration pollution need to be based on human needs.
6. The total moisture content of a new building shall be low and dry out quickly.
7. Strive for a well-balanced ratio between thermal insulation and heat retention.
8. Optimize indoor surface and air temperatures of a given space.
9. Promote good indoor air quality through natural ventilation.
10. Use radiant heat for heating.
11. Interfere as little as possible with the natural balance of nature’s own background radiation.
12. Prevent exposures to human-made sources of electromagnetic fields and radio-frequency radiation.
13. Minimize exposures to mold, bacteria, dust, and allergens.
The environment, energy, and water
15. Prefer regional building materials, not promoting the exploitation of scarce and hazardous resources.
16. Building activities shall cause no environmental problems.
17. Choose the best possible drinking water quality.
19. Select light exposures, lighting systems, and color schemes following natural conditions.
20. Base interior and furniture design on physiological and ergonomic findings.
22. Locate residential homes away from pollutant and noise sources.
23. Provide low-density housing with sufficient green space.
24. Develop individualized housing and settlements in harmony with nature in ways that support human and family needs.
25. Building activities shall cause no social problems.
Copyright: Institut für Baubiologie + Nachhaltigkeit IBN
Here you can download the 25 principles (PDF).