Possible Clues:

• Barrier to flames
• Barrier to prevent the spread of conflagration
• Safety feature I create afresh on behalf of guards
• Safety barrier for housing I construct again
• Exit half-cut Finn with scarlet jumper upside down
• Reinforced safety entrance
• Nothing in order if ridiculously way out, possibly?
• Irish men at closing time find way out is usually closed unless there is an emergency
• It's closed to stop flames spreading