1. Contribution to Annex 65 - EASEE Project -
Annex 65 Kick-Off Meeting
Long-Term Performance of Super-Insulating Materials
in Building Components & Systems
GRENOBLE – France
Contribution to Annex 65 - EASEE Project -
11-12 Sept 2014
Prof. Bruno Daniotti, Rosanna Galliano - POLIMI

2. Objectives UE Project – 7FP 48 months project (2012-2016)
Envelope Approach to improve Sustainability and Energy Efficiency in existing multi-store multi owner residential building Project

3. Objectives Focus on WP4: Prototypes for thermal inner retrofitting
Hygro-thermal properties - characterization tests
Installation on the test wall
Monitoring & Modeling pre and post-retrofitting

4. Prototypes for internal retrofitting
Design and production at EMPA of 3 different solutions (aerogel based & perlite based)

5. Characterization tests
Lab tests for assessing the hygro-thermal properties
Develop functions for aerogel based material
1. Thermal conductivity measurements (dry and moist condition)
Lambda value at 50% , 80% and 95% RH
2. Water vapour permeability (dry and wet cup method)
At 23°C and 0/50%RH by means of desiccant for dry state
At 23°C and 50/93%RH by means of salt solution for wet state
3. Hygroscopic sorption tests (at isotherm condition)
Water content at 30%, 50%, 80% and 95% RH
4. Water absorption by total immersion
Free water saturation value
5. Water absorption coefficient by partial immersion
Aw 24h

6. Installation on the test wall

7. Monitoring & Data Collection Indoor and outdoor sensors:
T surface, T air,
RH surface, RH air,
Heat Flux,
Solar radiation, Rain, Wind
Pre & Post Retrofitting

8. Modeling pre & post retrofit
Heat and Moisture Transfer calculation in transient condition
Comparison with data monitoring
Performance evaluation:
- Transient U-value (pre & post)
Moisture content
Indoor comfort
Long-term prediction about performance decay over time
Different weathers & indoor climate
Define main aging factors &
…DURABILITY…
WUFI 5.2, (Wärme und Feuchte instationär - Transient Heat and Moisture), developed by IBP – Fraunhofer Institute for Building Physics

9. In conclusion…
For IEA-EBC Annex 65: “ Long-Term Performance of Super-Insulation in Building Components & Systems”
SUBTASK 1: State of the Art on Materials & Components - Case Studies
Subtask Leader: ZAE Bayern – (Co-leader EMPA)
Action 1A: Materials & Characterization Methods
Action 1B: Components & Systems
Action 1C: Case Studies at the Building Scale
SUBTASK 2: Characterization of materials & components - Laboratory Scale
Subtask Leader: FIW Munich
Action 2A: Materials Testing & Ageing Procedures (Experiments & Simulation)
Action 2B: Components & Systems Testing (Experiments & Simulation)
SUBTASK 3: Practical Applications – Retrofitting at the Building Scale – Field scale
Subtask Leader: Chalmers University
Action 3A : Mapping of the Use Conditions (Components & Systems)
Action 3B : Performance at the Building Scale (Experiments & Simulation)
Action 3C : Practical Applications focused on Retrofitting
SUBTASK 4: Sustainability – LCC, LCA, EE – Risk & Benefit
Subtask Leader : Quantis
Action 4A: Life Cycle Assessment (LCA), including Embodied Energy (EE)
Action 4B: Life Cycle Cost Analysis (LCC)

10. Thank you for the attention
In collaboration with:
Dr. Karim Ghazi Wakili
Dr. Samuel Brunner
Mr. Thomas Stahl
Mr. Vonbank Roger
Dr. Matthias Koebel
EMPA
Überlandstrasse 129   CH-8600 Dübendorf
Prof. Gabriele Masera, WP4 Chairman
& WP4 Working Team
POLIMI
Via Ponzio 31 I Milano
Thank you for the attention
Rosanna Galliano, MEng, PhD candidate
Politecnico di Milano
Department of Architecture, Built environment and Construction Engineering
Via Ponzio 31, I Milano @: