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FD3D SERIES - 3 HOUR FIRE-RATED INSULATED, DOUBLE DOOR ACCESS PANELS FOR WALLS & CEILINGS

The largest fire-rated three hour ceiling door available with removeable center mullion.  Double leaf allows greater accessiblity.

Materials: Satin finish galvanized steel or 304 stainless steel

Frame: 14 ga steel.   Removable center mullion (max 48”).  Frame Depth 3 1/4”.

Wall Trim: 1-1/4” (32mm).

Door Panel:18ga, liner 22ga with slam latch.

Insulation: The door panel contains 2 1/2” of high temperature insulation material.

Finishes: Paint finish is an electrostatically applied rust-inhibitive prime coat or # 4 polished stainless steel finish on exterior surface

Hinges: Concealed continuous rod hinge. 48” or longer in wall position will be a continuous piano hinge. The hinge is placed on the “H” dimension.

Sizes: Minimum 18" x 18"

This model of wall and ceiling fire-rated panels is manufactured under the factory inspection service of Intertek Warnock Hersey) and have a label reading: “Listed access frame and insulated fire door assembly 3 hour fire rating. Vertical and Horizontal Installation. Temperature rise maximum 77° F / 43° C at 30 minutes, 268°  / 149° C at 60 minutes.”