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 16.01.2016 01/20

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

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

Overview / Background 04/20

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

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

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 0.013 – 0.018 W.m-1.K-1 highly hydrophobe Low diffusion resistance Developement of the 1930ies Used in the 1960ies for NASA/Spacefaring Developements. 07/20

Aerogelplaster - Product Fa. Fixit New Product (Fixit 222 – Aerogel Plaster) Lambda < 0.03 W.m-1.K-1 (regular insulating plaster around 0.075 W.m-1.K-1) 08/20

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

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

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

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

Our Approach & Monitoring & Simulation Plaster Application 13/20

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

Findings so far / Lessons Learned Monitoring 15/20

Findings so far / Lessons Learned Simulation 16/20

Findings so far / Lessons Learned Simulation 17/20

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

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

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 16.01.2016 20/20