Month Day, Year
45- & 60-MINUTE DUTCH DOOR REQUIREMENTS
Requirements for 45- & 60-minute Dutch doors:
• All hardware must be listed and labeled for the required fire rating.
• All hardware and hardware configurations must meet NFPA 80 requirements.
• Fire labels are required on top and bottom leaves.
• The bottom rail of the top leaf is 2" Firestop™ material.
• The top rail of the bottom leaf is 3" Firestop™ material.
• Intumescent strip mortised into the bottom rail of the top leaf.
• Both leaves automatically latch into the door frame using cylindrical latchsets; or the top
leaf must latch into the bottom leaf and the bottom leaf latches into the frame using
cylindrical latchsets.
• May have Dutch shelves on either or both sides of the door.
• Shelf supports must be fastened into Firestop™ material.
• Astragals may not be used with intumescent.
VT INDUSTRIES INC.
1000 INDUSTRIAL PARK
ARCHITECTURAL WOOD DOORS
P.O. BOX 490
800.827.1615
HOLSTEIN, IA 51025
Rev. 5/04
WWW.VTINDUSTRIES.COM/DOORS
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