If you own a commercial or non domestic property there are strict regulations and guidelines to follow ensuring the doors can withstand certain heats.
Fire door core types.
Honeycomb core doors are used for interior and exterior openings where high thermal insulation is not required.
The window and door manufacturers association wdma has developed performance standards for architectural grade wood doors determined by duty levels.
The five most common cores are honeycomb polystyrene polyurethane steel stiffened and temperature rise.
The first level of insulated door core is the polystyrene which is a slab of foam that is placed in the.
Honeycomb cores get their name from the honeycomb shaped cardboard that is hardened by special resins.
Oshkosh door company offers non rated fire rated and speciality cores to meet the specific demands of nearly every environment.
What are the different door cores available.
Structural composite lumber scl cores are made of strands of different species of.
Particleboard wood doorcores are made of ground up raw wood that is glued together to form the.
Structural composite lumber core.
This insulated core is a.
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.
It enables the door to be lighter stronger and have better fire resistance while also improving insulation and sound proofing.
Steelcraft l series standard core.