Guest Chris Walsh Posted May 25, 2022 Report Share Posted May 25, 2022 When the fd30s door closes it fails to latch I think it’s a positive/ negative air pressure between the room and outside I will try fin intumescent instead of brush any other ideas Quote Link to comment Share on other sites More sharing options...
Tom Sutton Posted June 8, 2022 Report Share Posted June 8, 2022 Provide ventilation between the room and the outside in most cases ir is provided. Quote Link to comment Share on other sites More sharing options...
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