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Repairing hydronic floor heat leak in concrete
I have a 1953 home with hydronic floor heating that was abandoned in 2006 due to leakage. I have been looking for a product that may help and I think I have finally found one but can not find anyone with experience in the English-speaking world to help....
The system is iron pipe (or maybe mild steel) in concrete floor slab-on-grade construction with two zones. I have removed the furnace and pumps to make room in the utility room but would love to revive the system if possible. I always thought that a good de-scaling product followed by an aerobic sealer of some sort --like fix-a-flat for pipes may do the trick.
My brother is currently stationed in Austria and his landlord had some plumbers come over to do some repairs to an old hydronic system with radiators in a 100+ year old building and they pumped this goop into the lines for 6-7 hours to seal them and then purged the lines. he took a picture of the stuff they had and it was from a company called BaCoGa http://www.bacoga.com/eng/bcg-td/
Anyone have experience with this stuff?
More pictures of the old system here