Fire rated metal door 20 45 60 90 minute or 3 hour label heavy duty 18 gauge steel doors rigid honeycomb core or polystyrene core.
Fire door core material.
They weigh less and are expected to cost less than solid core.
Aluminium metal sheeting is ideal for doors that need to be more lightweight or that have hygiene requirements.
Available in thicknesses of 1 5 up to 2 125 inches un calibrated our fire rated door core can be configured to accommodate a wide variety of construction adhesives glazing and hardware options.
The first level of insulated door core is the polystyrene which is a slab of foam that is placed in the.
It all starts with tectonite components our proven raw mineral core with some of the lowest heat transfer on the market and the only material fire rated in your choice of 60 90 or 120 minutes.
Hollow core doors are usually purchased for two basic reasons.
Hollow metal is the only door material widely available with a 3 hour label.
This insulated core is a.
The two most common materials used to create metal sheeting in doors are steel and aluminium.
Mineral core doors utilize a mixture of noncombustible minerals and are only used in doors that require fire ratings of 45 60 or 90 minutes.
Simpson offers thousands of choices for fire rated doors including 20 minute fire rated wood doors and mdf doors with fire ratings up to 90 minute.
Steelcraft s fire rating capabilities include the use of ceramic glass and special glazing compounds.
And since simpson fire doors have been designed to match other interior doors your fire rated doors will blend seamlessly with all doors in your home.
Steel is generally stronger than aluminium and is more sturdy and durable.
Mineral cores are very lightweight and do not hold screws well.
The available door thickness is a nominal 1 3 4.
Mineral fire doors consist of the mineral core itself with lengths of firestop material used for stiles rails and blocking.
This requires internal wood blocking in the core to allow hardwareto fasten securely.
Honeycomb cores get their name from the honeycomb shaped cardboard that is hardened by special resins.