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45mm Single Leaf Fire Rated Interior Doors/ Veneer Finish/ 30mins Fire Rating/ Various Colors

Minimum Order Quantity : 1 set Price : Negotiable
Packaging Details : Inside Bubble Bags+ Strong Carton+Wooden Frame Delivery Time : 35 Days After Payment Received
Payment Terms : western union, moneygram,cash, l/c, t/t Supply Ability : 600 Sets per Day
Place of Origin: CHINA Brand Name: ZHONGWO
Certification: Intertek,BS,CCC Model Number: ZW-RM12

Detail Information

Standard: BS476-part 22:1987 Fire Rating: 30/60/90mins
Material: Solid Wooden Door Thickness: 45 Mm
Color: Customized Finish: Veneer, Laminate, PVC
Max. Size: 4' X 8' Design: Customized
High Light:

internal fire doors


fire resistant interior door

Product Description

Fire Retardant Interior Door for Fire Cut Used in

High-rise Building

Production Description


A residential building with a building height greater than 100m shall be provided with a refuge floor. The height of the ground floor of the first refuge floor (room) to the fire rescue site on ground shall not exceed 50m, and the height between the two refuge floors shall not be greater than 50m;


In order to enhance the safety of high-rise residential buildings, the requirements for the installation of refuge floors for high-rise residential buildings were added to the new Code for Fire Protection of Building Design, which was implemented on May 1, 2015


For residential buildings with a building height greater than 54m, each household shall have a room that meets the following requirements: it should be placed on the external wall and should be provided exterior open window. The fire resistance of the interior and exterior wall should not be lower than 1.00h. The door of the refuge room should be Grade B fire door, and the fire integrity of the exterior window should not be less than 1.00h.


Fire Resistance Rating Classification


Name Fire Resistance Performance Code




Fully Heat Insulated Doorsets(Class A)


Fire Insulation ≥0.50h

Fire Integrity ≥0.50h


(Grade C)

Fire Insulation ≥1.00h

Fire Integrity ≥1.00h


(Grade B)

Fire Insulation ≥1.50h

Fire Integrity ≥1.50h


(Grade A)

Fire Insulation ≥2.00h

Fire Integrity ≥2.00h


Fire Insulation ≥3.00h

Fire Integrity ≥3.00h


Partially Heat Insulated Doorsets(Class B)



Fire Insulation ≥0.50h

Fire Integrity ≥1.00h B1.00
Fire Integrity ≥1.50h B1.50
Fire Integrity ≥2.00h B2.00
Fire Integrity ≥3.00h B3.00

No Heat Insulated Doorsets(Class C)


Fire Integrity ≥1.00h C1.00
Fire Integrity ≥1.50h C1.50
Fire Integrity ≥2.00h C2.00
Fire Integrity ≥3.00h C3.00

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