Quote:
Originally Posted by Alpine
Here is an idea (not sure if it's a good one?) Reading where a guy filled his PVC with water! So if needed to be moved later on, drill a small hole and drain. He did use a mixture of Antifreeze as he was in colder weather during the winter.
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I'd be worried about the weight on the roof pipes. I suppose I could fill right up to the third level framing, and then leave the roof pipes empty. Interesting idea.
UPDATE: We have up to ninety 100º+ days in Austin. I'd be concerned that the pipes might become pressurized by the heated water inside them, even with empty roof pipes serving as an expansion check. Then, I'd need to install relief valves in a few places in the system, on the roof pipes. I think I'd be making the project more complicated than necessary. No water, for my pipes.