Class B Fire Door Specification

Stairwells and elevator shafts tend to use this class helping prevent a fire spreading through large chambers in the building.

Class b fire door specification. When specified fire doors shall be provided with fire labeled louvers. Profile pre galvanised steel 1 6mm thick or timber frames nominal 90 x 65mm up to 2400mm high x 1150mm wide for single doors. Please enquire for further detail and specification. Please read below for a basic guideline on what a class b fire door consists of.

They can maintain integrity for two hours and stability and insulation for an hour each. Doors to be supplied with a minimum of 5 heavy duty fire rated stainless steel hinges. These doors typically have a fire resistant core. Class d hinged door specifications.

Our standard fire rated hinged doorsets 1 and 2 hr rating or class a b d are available as follows. 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. Rubidor fire door class a b d e hinged fire doors technical data sheet no. 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.

Allandel class b fire doors 120 minutes allandel class b fire door 44mm thick complete with mdf face finish or a veneer of your choice and hardwood timber edging. 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. Where required by a manufacturer s listing or ansi nfpa 80 fire doors and fire windows a steel overlapping astragal shall be provided. Commercial class b 120 minute fire doors select a category above to see pricing.

Standard sizes for double fire doors are 1511 1600 1800 wide x 2032 2400 high with a minimum of 1 6mm frame for a half one drywall partitioning. 1 single leaf door 810 x 2030 x 48mm including frame suitable for 115mm 230mm brick wall. For the safety conscious customer who is looking for an added protective element against the destructive force of fire and helps slow the spread of heat and smoke. 2 1 2 4 louvers for fire doors.

Allandel s class e door out performed all these areas at the sabs testing facilities. 2 1 2 3 steel astragals on fire doors. 2 unequal leaf double door 1200 x 2030 x 48mm including frame suitable for 115mm 230mm brick wall. A class b door can have a small viewing panel.

With a class d fire door the stability integrity and insulation rating requires 2 hours with an impact test.