How to silence noisey CH pipes?

[Atlas 12v]

Since the weathers started to get colder and the CH has gone on the cooper pipes under the floor of my sons bedroom are making a right racket, leading to him waking in the night when the pipes heat up.

I've bled the system and there was very little air expelled so it's not air causing the noise. Definitely more expanding and contracting type of noise.

Short of lifting the carpets and floor and lagging the pipes and making sure they pass through decent sized holes in the joists are there any options to silence the things?

[Atlas 12v]

It definitely sounds like expansion. More ticking than actual banging or air noise.

[Atlas 12v]

dingg said:

probably easier to silence the kid

tell him if he keeps complaining you're going to put him in a childrens home

It's an idea but he's very small so I doubt it would go down well with his mother.