February 21, 20233 yr comment_34652 Hi. Do you need to link an existing alarm system from a ground floor commercial premises to a first floor flat above. Report
February 22, 20233 yr comment_34672 Only if the structural fire compartmentation between the two is inadequate and it's not viable to upgrade it. Usually the requirement is 60 minutes fire resistance. (This assumes the flat has separate access not via the shop) Report
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