Guest MikeMoo Posted February 15, 2014 Report Share Posted February 15, 2014 please can you advise . how thick would a solid oak door panel need to be to give 1/2 hour fire protection and is there a minimum depth of groove. I would appreciate your expertice in these matter. regards Mike Quote Link to comment Share on other sites More sharing options...
Tom Sutton Posted February 16, 2014 Report Share Posted February 16, 2014 Assuming the door is not a certified fire door then you need to upgrade the door and frame to meet a nominal fire resistance. The thickness of the panel is only one consideration and the gaps around the door are another weak point. The normal accepted thickness of a half hour fire door is 44mm but that can vary depending on the construction and there is no minimum thickness of panels for a FD30 door. Check out http://www.fire-door-services.com/Downloads/Trada_FireDoorsetsbyUpgrading_000.pdf for information on upgrading fire doors. Quote Link to comment Share on other sites More sharing options...
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