Pipe insulation with rockwool, how to cover it up/stuff the rockwool?

Submitted by L3tum t3_zvpwq8 in DIY

Let me be very specific so my post doesn't get removed again.

I'm currently insulating my pipes with loose rockwool and am looking for a way to either stuff the rockwool into a shell and clam that shell around the pipes, or to cover the rockwool wrapped around the pipes so that it stays in place.

I've searched for a few things already but only found readymade shells.

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Adam-West t1_j1qhyqt wrote

Not the answer you’re looking for but if you’re worried about frozen pipes you can get heated wires/tape that sticks to the pipes and switches on when the temp gets too cold.

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Carpenterdon t1_j1qjb7j wrote

They make pipe insulation for a reason friend.... Loose batt is for walls and ceilings not for pipes...It's more work and will cost you more than just getting the right size pipe insulation.

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L3tum OP t1_j1qnmbz wrote

Replying to Carpenterdon (#1,074,648)

My thought process is that I already have the insulating, I only need the coverup. Buying that, if it exists, should be cheaper than shell + insulation together readymade. Should anyways.

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wot_in_ternation t1_j1qw4f4 wrote

Just because you can doesn't mean you should. There's specific products for insulating pipes, just spend the money and use them. You'll save a lot of time and get better results. Find somewhere else to shove the loose rockwool if you really want to.

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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

Replying to Relative_Sir3201 (#1,081,295)

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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