Class B Fire Door

These doors should hold integrity for an hour and stability and insulation for 30 minutes each.

Class b fire door.

Doors direct class b fire doors have a two hour fire rating and are supplied with the doors pre hung in a steel frame. With a class d fire door the stability integrity and insulation rating requires 2 hours with an impact test. Standard door specifications for class b fire doors double and single drawing for illustration purposes only does not include ironmongery. Doors to be supplied with a minimum of 5 heavy duty fire rated stainless steel hinges.

The six classes. If you own a commercial or non domestic property there are strict regulations and guidelines to follow ensuring the doors can withstand certain heats. They can maintain integrity for two hours and stability and insulation for an hour each. Class a b d e hinged fire doors stability is the door s ability to fulfill its design function of keeping an opening closed in the face of fire so that no fissure or opening wider than 25mm develops.

Worryingly the fire door inspection scheme fdis recently highlighted that three quarters of all fire doors inspected in 2019 were condemned as not fit for purpose. Matching steel frame made of 1 6mm thick pre galvanised steel complete with 30mm wide by 48mm deep rebate complete with 5 fixing. Door direct class b fire doors are designed to meet the requirements of sabs 1253 2003. 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.

The core is constructed from a magnesium oxychloride monolithic reinforced insulative material with excellent fire resistance and mechanical strength. Class a 3 hour approved for doors in dividing fire walls with openings not exceeding 1 200 sq. Rubidor fire door class a b d e hinged fire doors technical data sheet no. A class a door can have a small viewing panel.

Fire certification is available on request. Class b fire doors are usually specified in commercial and industrial buildings. Protect your house and family with a fire door designed for your safety. Class e fire doors are often used as the inter leading garage door into the house.

Class b 1 5 hour approved for doors in vertical shall openings not exceeding 1 200 sq. Please read below for a basic guideline on what a class b fire door consists of. Allandel class b fire door 44mm thick complete with mdf face finish or a veneer of your choice and hardwood timber edging. Bp 4 4 sf02a r00 bitcon rubidor fire doors are designed to fulfill the requirements of the national test standard.