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Relative_Sir3201 t1_j1rwmry wrote

Don’t do that. As others have said, it’s not meant for that and you can put that insulation elsewhere. Plus, to secure it to pipes you’ll likely end up compressing it which reduces the R value.

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East-Worker4190 t1_j1suha2 wrote

At work we essentially use a rockwool product for pipes. Rockwool with plastic outer tubes. Bigger than home pipe insulation and also works up to steam temperatures. Unless I was running a recirc pump I would go with standard home depot pipe insulation.

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