Oshkosh door company offers non rated fire rated and speciality cores to meet the specific demands of nearly every environment.
Fire door core types.
The core type can also greatly affect the cost of the wood doors on your project we ll briefly cover each core type and talk about some of their benefits.
Labeled fire doors control the spread of fire and smoke for up to 3 hours.
Mineral fire doors consist of the mineral core itself with lengths of firestop material used for stiles rails and blocking.
Construction makes them resistant to expansion and contraction due to humidity changes.
Hollow core doors are usually purchased for two basic reasons.
The insulation value is much higher than the honeycomb but lower than the polyurethane.
Some solid core doors intended to look like painted wood use no surface veneer at all they are solid slabs of mdf or another engineered wood shaped and molded to give.
Each core type has benefits and specific applications where they are recommended or even required to be used.
Solid core doors offer good fire resistance when they are at least 1 3 4 inches thick.
Commercial fire rated doors are widely recognized as the best value in the door industry.
Polyurethane core doors are suitable for exterior openings in cold climates.
Hollow metal doors with this core type are most often used at exterior openings and can be fire rated up to 3 hours.
Steel is the sole door material to deliver a 3 hour fire rating.
Steelcraft l series optional core.
The first level of insulated door core is the polystyrene which is a slab of foam that is placed in the core of the door.
Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required.
The available door thickness is a nominal 1 3 4.
Most steel doors outlast their wood counterparts by over 10 years are better insulated vandal resistant and longer lasting than wood doors or fiberglass doors.
20 45 60 90 minute or 3 hour label.
Steelcraft h series optional core.
Core types the backbone of every door.
Not available fire rated.
Wood door cores are central to the door s performance and durability.
They weigh less and are expected to cost less than solid core.
This is a laminated door construction.
Heavy duty 18 gauge steel doors.