February 15, 201412 yr comment_6139 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 Report
February 16, 201412 yr comment_6141 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. Report
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