Steelcraft l series optional core.
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.
The available door thickness is a nominal 1 3 4.
Steel stiffened core doors feature steel ribs in the interior of the door and are used where durability and security are important.
Heavy duty 18 gauge steel doors.
Solid core doors offer good fire resistance when they are at least 1 3 4 inches thick.
Labeled fire doors control the spread of fire and smoke for up to 3 hours.
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.
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.
Oshkosh door company offers non rated fire rated and speciality cores to meet the specific demands of nearly every environment.
They weigh less and are expected to cost less than solid core.
Wood door cores are central to the door s performance and durability.
Not available fire rated.
Steelcraft h series optional core.
Mineral fire doors consist of the mineral core itself with lengths of firestop material used for stiles rails and blocking.
Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required.
20 45 60 90 minute or 3 hour label.
The insulation value is much higher than the honeycomb but lower than the polyurethane.
Each core type has benefits and specific applications where they are recommended or even required to be used.
Rigid honeycomb core.
Polyurethane core doors are suitable for exterior openings in cold climates.
Commercial fire rated doors are widely recognized as the best value in the door industry.
The window and door manufacturers association wdma has developed performance standards for architectural grade wood doors determined by duty levels.
Steel is the sole door material to deliver a 3 hour fire rating.
This is a laminated door construction.
Hollow core doors are usually purchased for two basic reasons.
Hollow metal doors with this core type are most often used at exterior openings and can be fire rated up to 3 hours.