Really? Pipe clips

Fen1

FreeBear: holding the insulation in place rather than the pipes, then? 😉

FreeBear

Fen1 said:

FreeBear: holding the insulation in place rather than the pipes, then? 😉

Slipped the insulation over the pipes and then used cable ties to hold the stuff in place. No space to use aluminium tape on a lot of the joints. The pipes running in the void between ceiling & floor are supported at regular intervals by cross timbers between the joists - Plumbing was routed so as to avoid notching joists where possible.

ThisIsWeird

FreeBear said:

ThisIsWeird said: I have no idea what your plumber used there. On my phone, I'd assumed it was like a boot lace! Here, it looks shiny, so perhaps a rubber band of some sort?

Cable tie - I've got a bunch of them holding pipe insulation in place on my CH pipes.

Ah, of course! D'oh!
These are of variable quality, and I personally wouldn't trust then long term. This is based on me redoing boat moorings where c-ties had been used instead of seizing wire, and many could be snapped quite easily by hand when undoing them.
Of course, they were under some extreme conditions - sea water and sun - but I think they'd only been there for one year. 
I presume others are better quality - nylon, for example - but they'll be in direct contact with hot metal pipes. 
You don't want to be touching these pipes for 40+ years... 

ThisIsWeird

If the Ali tape is awkward to use, then anything else will keep the insulation secure and closed up. Twisted copper wire (from old cables), gardening twizzles, cable ties (they won't get hot), etc.
The tape is ideal at elbows and other fittings, tho', as they'll both pull the cut ends of the insulation closed, but also compensate to some degree for any remaining small gaps.

FFHillbilly

https://www.hpmmag.com/products/hpm-launchpad-features-the-talon-ez-joist-clip

ThisIsWeird

FFHillbilly said:

https://www.hpmmag.com/products/hpm-launchpad-features-the-talon-ez-joist-clip

Nice! Screws through the joist sides. I like 😻

Fen1

Those clips are definitely more in line with my thinking; the nail and cable-tie combo is just scary.
Just asking - cos I know nothing - those clips would be put around insulted pipes, not directly onto copper?

grumbler

No, not around. In this respect any tape-like ties are much better IMO.

ThisIsWeird

Fen1 said:

Those clips are definitely more in line with my thinking; the nail and cable-tie combo is just scary.
Just asking - cos I know nothing - those clips would be put around insulted pipes, not directly onto copper?

I love it - you are calling them 'insulted' as well
Just add the insulation as Grumb has shown - that's already 99% better than what you have. By all means cut a further slice of insult the size of the remaining clip gap, 'slice' it to allow it to open up into a 'C', and clip it over the pipe/clip from below. It's  now 99.9999999% better. If you buy foil tape, then finish with a wrap of that. 

Fen1

1. On the run of pipe: Normal length of pipe; insulation secured with tape.

2. At the joist: short length of pipe at the joist; supporting clip; jacket of insulation over the clip; jacket taped to insulation on the long runs on either side to make a continuous sausage roll of insulation.

No exposed piping, no exposed clip.

Yes????