firetrap
From Longman Dictionary of Contemporary Englishfiretrapfire‧trap /ˈfaɪətræp $ ˈfaɪr-/ noun [countable] TBBDANGEROUSa building that would be very difficult to escape from if a fire started thereExamples from the Corpusfiretrap• Or the architect, contractor and 27 subcontractors and their crews who transformed a gutted firetrap into a glowing gem?• It seemed impossible that there could be anything of interest to him in this firetrap of dried papers and cardboard.