We were approached by a main contractor working for Hull City Council on a new Build made-up of a ground floor offices with dwellings on the first, second & third floor, we were requested to survey and supply a 1 hour fire barrier above the soon to be installed plasterboard ceilings, following the fire compartmentation line we installed a Rockwool Fire double fire Barrier. On completion of the works, we issued a Passive Fire Register along with the necessary data documents.