1. Univ.Ass. DI. Dr.techn. Ulrich Pont 16.01.2016
A_Gel_Fa– Project Development of structurable final coating plaster systems based on highly-insulationg aerogel plasters for historic building facades (ongoing project)
Univ.Ass. DI. Dr.techn. Ulrich Pont
01/20

2. Our Approach & Monitoring & Simulation
Content
Overview / Background
Aerogel
Idea  Approach
Our Approach & Monitoring & Simulation
Findings so far / Lessons Learned
Conclusion
Acknowledgement
02/20

3. Very old technology (Roman Empire and earlier)
Overview / Background
Plaster surfaces:
Very old technology (Roman Empire and earlier)
Different functions (decoration, rain coat, color, architectural appearance, thermal insulation, …)
Mostly manual application
Machinery and availability
Compatabilitity of different layers
Different materials (clay, concrete, …)
Very common in central Europe
03/20

4. Overview / Background
04/20

5. Architectural appearance Insulation Material cohesion
Overview / Background
Issues:
Heritage protection
Architectural appearance
Insulation
Material cohesion
How to insulate opaque components that are not intented for classical external insulation components?
05/20

6. Heritage protection compatible Available (??) Cost : effort (??)
Overview / Background
Aerogel-Plaster as
Highly insulating
Heritage protection compatible
Available (??)
Cost : effort (??)
????
AGelFa-Project
Aerogel – Facades.
06/20

7. 98% of the material consists of encapsouled air
Aerogel
What is Aerogel?
Amorph SiO2
Porous surface
98% of the material consists of encapsouled air
Lambda – W.m-1.K-1
highly hydrophobe
Low diffusion resistance
Developement of the 1930ies
Used in the 1960ies for NASA/Spacefaring Developements.
07/20

8. Aerogelplaster - Product Fa. Fixit
New Product (Fixit 222 – Aerogel Plaster)
Lambda < 0.03 W.m-1.K-1 (regular insulating plaster around W.m-1.K-1)
08/20

9. Current issues of the Aerogel-Plaster Cost (8000 € . m-3)
Lack of experiences in application on special facades (different morphologies, different microclimates)
08/20

10. Different application forms Structural nets / without structural nets
Idea  Approach
Project:
Test fields
Different application forms
Structural nets / without structural nets
Application testing
Long term monitoring
10/20

11. Our Approach & Monitoring & Simulation
Observation Tower house
Main Facade of the TU
11/20

12. Our Approach & Monitoring & Simulation
Monitoring Equipment (powered by EMPA and DecentLab)
12/20

13. Our Approach & Monitoring & Simulation
Plaster Application
13/20

14. Our Approach & Monitoring & Simulation
Simulation of Details (AnTherm)
14/20

15. Findings so far / Lessons Learned
Monitoring
15/20

16. Findings so far / Lessons Learned
Simulation
16/20

17. Findings so far / Lessons Learned
Simulation
17/20

18. Details with / without structural net work (so far)
Conclusion
Findings:
Details with / without structural net work (so far)
Monitoring shows dampening effect of plaster
Simulation shows big effect of Aerogel plaster / High potential of heating demand reduction
Problematic is the long application / hardening/dry-out phase.
Future Research:
Statistics and Evaluation of Effect / Long Term
More test fiels currently in planning / application / monitoring
Structuring approaches of articulated facades  work in Progress
Long term approach to reduce cost of plaster
Questions?
18/20

19. 3 year project funded by Austrian Research Promotion agency (840605)
Acknowledgement
3 year project funded by Austrian Research Promotion agency (840605)
Partners:
EMPA (K. Ghazi Wakili, R. Vonbank)
RÖFIX (T. Stahl, T. Bidner, A. Gertschnigg, T. Dürnegger)
TU Team: E. Heiduk, A. Mahdavi, U. Pont, M. Schuss, C. Sustr, D. Wolosiuk
19/20

20. Univ.Ass. DI. Dr.techn. Ulrich Pont 16.01.2016
A_Gel_Fa– Project Development of structurable final coating plaster systems based on highly-insulationg aerogel plasters for historic building facades
Univ.Ass. DI. Dr.techn. Ulrich Pont
20/20