Through wall sleeve seal?

[howbeef]

I am fitting a 22mm copper gas pipe through a cavity wall, sleeved in a piece of 28mm. I need to seal the inside, what is the correct stuff to use? I was thinking Boss gastite or Rocol gasseal as it is supposed to be "non setting mastic" Thanks

 

[JAH HEATING]

Fga setting compound, try plumb centre

 

[Ermintrude]

Fga setting compound, try plumb centre

Thought it had to be non setting? Flue jointing compound? Non flammable and flexible. Don't use plumbers mate with a bit of cement in it so it looks like FJC !!!

Denso putty used to be the daddy!

 

[JAH HEATING]

Thought it had to be non setting? Flue jointing compound? Non flammable and flexible. Don't use plumbers mate with a bit of cement in it so it looks like FJC !!!

Denso putty used to be the daddy!

It's a non setting compound

 

[Scott_D]

What about this fire barrier putty?
Fire Barrier Moldable Putty + :3M US

 

[Ermintrude]

What about this fire barrier putty?
Fire Barrier Moldable Putty + :3M US

Nice! FJC is a lot cheaper and isnt red. £7.00 for 500g enough for 10 penetrations

 

[Linkyplumb]

Purimichas? FJC for me

 

[Reltub]

Hight temp clear silicone

 

[Reg Man]

Hight temp clear silicone

Silicone has corrosive acetates and should not be used. FJC every time.

 

[howbeef]

Hight temp clear silicone

I had thought of that but for some reason it's supposed to be non setting? Does it just mean remain flexible?