Re the previous poster and insulating plastic pipes.
Pretty much all of my pipes are insulated but have a few feet in the garage
where the combi boiler is now located, the garage also has a radiator which
stopes any freezing or dampness.
I realised I have loads of bubble wrap so thought to try and use that for
insulating the few pieces of pipe in the garage, and in warmer weather will
check under the ground floor.
I read on google about using a layer of foil plus the bubble wrap but was
wondering if there should be an air gap between the insulation and the pipe,
or between the bubble and the foil?
I am just wondering the best way to construct this using the bubble wrap.
Any ideas or suggestions?
I think the thicker stuff was aimed more at preventing pipes with
no flow from freezing for as long as possible. (Obviously, they
will freeze if the ambient stays cold enough for long enough.)
I bought 2m lengths of the thick stuff from BES a year ago, as
they were best value at the time.
11 years ago when I did my central heating, I bought the thin
stuff from Wickes as it was on special offer at the time (half
price). Nowadays, I might use the thick stuff instead - you
can feel some heat on the outside of the underfloor runs when
the system is running.
I got quite good at cutting it to fit closely in all sorts of
situations. I also tried to avoid slitting it wherever possible,
threading the pipe through it when installing the pipe, but you
don't have that option now. I have noticed that it has shrunk
slightly since being installed - I tended to cut it to length
such that there was pressure keeping the gaps closed, but on
longer runs, gaps have since opened up anyway.
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