Class B Fire Door Specification

A class a door can have a small viewing panel.

Class b fire door specification.

Profile pre galvanised steel 1 6mm thick or timber frames nominal 90 x 65mm up to 2400mm high x 1150mm wide for single doors. With a class d fire door the stability integrity and insulation rating requires 2 hours with an impact test. 2 unequal leaf double door 1200 x 2030 x 48mm including frame suitable for 115mm 230mm brick wall. Fire certification is available on request.

Please enquire for further detail and specification. Class b fire doors are usually specified in commercial and industrial buildings. They can maintain integrity for two hours and stability and insulation for an hour each. For example in the 2015 ibc table 716 5 is called opening fire protection assemblies ratings and markings.

Doors direct class b fire doors have a two hour fire rating and are supplied with the doors pre hung in a steel frame. Where required by a manufacturer s listing or ansi nfpa 80 fire doors and fire windows a steel overlapping astragal shall be provided. Allandel class b fire door 44mm thick complete with mdf face finish or a veneer of your choice and hardwood timber edging. A class d fire door is a 2 hour fire door with a fire resistant core that can withstand an impact test with a mass of 27kg without creating an opening wider than 25mm between the door and frame.

Please read door type information fire door on the home page for a guide on fire door requirements and product information before placing your order. Doors to be supplied with a minimum of 5 heavy duty fire rated stainless steel hinges. This table includes the required fire. These doors typically have a fire resistant core.

Door direct class b fire doors are designed to meet the requirements of sabs 1253 2003. When specified fire doors shall be provided with fire labeled louvers. These doors should hold integrity for an hour and stability and insulation for 30 minutes each. 2 1 2 3 steel astragals on fire doors.

2 1 2 4 louvers for fire doors. Class b enclosures of shafts and stair. Allandel class e fire doors. 1 single leaf door 810 x 2030 x 48mm including frame suitable for 115mm 230mm brick wall.

Please read below for a basic guideline on what a class b fire door consists of. Bp 4 4 sf02a r00 national test standard fire rating class a class b class c class d class e class f stability l hour 2 hours 2 hours 2 hours 1 2 hours 1 2 hour integrity 1 2 hour i hour 2 hours 2 hours 1 2 hours 1 2 hour. Our standard fire rated hinged doorsets 1 and 2 hr rating or class a b d are available as follows. Rubidor fire door class a b d e hinged fire doors technical data sheet no.

Where fire doors are needed you would refer to the building code that has been adopted in the project s jurisdiction.