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| Resurrection of a CFEI 100 KVA Induction Furnace |
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| tom osselton:
I wonder about flexseal anyone ever try it? https://www.amazon.ca/s?k=flexseal&gclid=Cj0KCQiA7qP9BRCLARIsABDaZzjeyWuUOBDwmENH5bi0lONmaIxBqYzBqtxcHFNipUq6Get9wsl0ADcaAru0EALw_wcB&hvadid=208225827327&hvdev=c&hvlocphy=9001314&hvnetw=g&hvqmt=e&hvrand=5745184742793747989&hvtargid=kwd-300327936467&hydadcr=8147_9617955&tag=googcana-20&ref=pd_sl_16u0hohih7_e |
| vtsteam:
My experience is probably similar to yours Andrew so I know I'm not saying something new, but ..... a persistent problem leak is often located far removed from where it appears in the building. Water leaks in, hits an internal horizontal member, and then travels a distance along that before falling off. If it hits another horizontal surface, it can then travel in another direction. If 5 or 6 professional people have worked on a particular area and the leak is still occurring, then most likely the leak is not where it is thought to be. Maybe if you think about it definitely not being there, some other possibility will occur to you. One other suggestion, which may not be practical, but if there's some way of tracing the water, you might get a clue about where it's entering. If you could spray with a hose a small patch of some colored water on different sections of roof (or different adjoining roofs) the color of the leaked water may give an indication of where the leak is coming from. That's about all I could think of anyway. I do agree that trying to stop a leak from inside is probably not the best way. If the leak appears to be stopped from some expanding foam, there still can be water buildup inside -- and constant damp is destructive to structure. Or the leak may travel out of that patched area, and appear somewhere else. Tough situation, especially with cold weather coming on. Fingers crossed, I hope you find the source. :beer: |
| Peter Cordell:
Could water coloring pigments/tracing dyes help narrow down the search or thermal camera should show cool damp patches? |
| Muzzerboy:
You can buy tracer dye for this purpose. https://www.screwfix.com/p/monument-tools-flourescein-drain-dye-133g/31595 Could get messy though and would take some methodical working to avoid inconclusive results. |
| awemawson:
My (possibly crackpot) idea at the moment is to rig a tarpaulin over the apex of the main workshop (where the last leak was found) and observe what happens in the following rain. If nothing comes in I can reduce the size of the tarpaulin and watch and see again. I fear that dyes and. colorings will get awfully confusing very quickly. |
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