Insulating Steel Box section over Bifolds

Insulating Steel Box section over Bifolds

Insulating Steel Box section over Bifolds

Hi,

Can't seem to get a sensible answer on this. SE has specified a steel for over bifolds...see below.

Question is how to minimise cold bridge? Can I/should I just pack with some say knauf 32 or 35 slab...for example? It's about 3.15M Long
1734446492733.jpeg


by STORYTELLER

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