UL Wooden Fire Rated Door 20mins

UL Wooden Fire Rated Door 20mins

GH is a professional manufacturer of a wide range of wooden door for commercial and residential construction. GH Hollow Metal Doors & Frames Industries Corp. has 30 years experience. All of our wooden fire rated doors and frames have been tested in accordance with UL10B, UL10C, and UBC 7-2 and are listed by Underwriter’s Laboratories (UL) and Warnock Hersey (WH).



Door Material: 

Solid wood skeleton+MDF+both sides;

Oak,Ash,Sapeli,Cherry,Walnut or any other type of veneer as required;

Construction is 49mm Thickness.

Fire rating time:UL 20 mins.

Surface Treatment: Primer Paint; Finish Paint.

Core: Mineral fireboard.


Frame Material: Wooden frames . 

Fire rating time:UL 20 mins.

Surface Treatment:Primer Paint; Finish Paint.


Double Rabbet, Single Rabbet, Cased Opening, Knock Down or Welded 

To be installed before wall finish: Jamb Depth 4-3/4" to 10-1/4". 

To be installed after wall finish: Jamb Depth 4-3/4" to 8 1/4".

Anchors for masonry, wood, and metal stud walls.



factory photo 1

More than 30 years experience making fire rated doors, our first door born in 1988.

Occupying  area of company is 1200000sq. ft.

Two warehouses in  North America, onein LA,  USA and  one in BC,  CANADA.



Our machines are exported from Japan and Europe, it has much high precision and fast processing.



We have UL 20 mins; Intertek 90 mins for our wooden fire rated door.


1. What is the delivery time?

It's usually 25 days to 45days for different materials after deposite received and details confirmed.

2. How about your payment terms?

T/T is the main item,30%-50% deposite before starting production,and balance before delivery. 

3: How can you guarantee your final quality?

As for quality control, we've approved four testing procedures:

Initial inspection, re-inspection, final inspection and sampling inspection. 

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