Underfloor Pipework through fire barrier

[Alex Fossa]

Hi,

 

We are putting our ASHP buffer + hot water cylinder in the garage (attached to the house). Above this is living accommodation so we need to have a minimum of 30 minute fire resistance.

 

It makes sense to put the underfloor heating manifold in here too, so we'd need 6 pairs (12 total) of 16mm MLCP pipe through the 'wall' and seal appropriately.

 

Does anyone have any good suggestions, the builder wants to fireboard + mastic around.

 

Thx

Alex 

[TonyT]

If space dictates it needs to go there I would build a room around it all to keep it in a heated envelope.

 

Pipes passing through walls should be sleeved  and a suitable intumescent  sealer

 

will the pipes be beneath the floor?