1. Flat roof case - Optiroc Finland/Fibo Exclay Eesti

2. Purpose • Get to know our products better • Use the results to compare against our competitors (sales argument) • The study helps to protect the environment if the results are used in the company. • Support for marketing

3. Function The function of the product is important for defining the functional unit. Following the LCA guideline, the function of the product was described as: ’to keep the roof watertight and insulate the construction with minimal maintenance requirements.’ The functional unit for this case is 1 m2 of a main roof construction, with a 100 year life.

4. The Flat Roof Life Cycle Water barrier (Bitumen) LWA Concrete TRP lwa TRP concrete TRP bitumen 0,094% Not included Waxed paper Ventilation Flat main roof Not included 0,094% Vapour barrier Eaves Maintenance (life span 100 years) Replace bitumen 2 times Demolition TRP to recycling TRP to reuse TRP to landfill Recycling Reuse Landfill

5. The main ingredients of the roof

6. Data used

7. Results Energy consumption for the main steps in the life cycle

8. Energy consumption for raw materials production

9. Global Warming Potential for the main steps in the life cycle

10. Global Warming Potential for raw materials production

11. Eutrophication and Acidification for the main steps in the life cycle

12. Eutrophication and Acidification for raw materials production

13. POCP for the main steps in the life cycle

14. POCP for raw materials production

15. Waste production for the main steps in the life cycle