Core types the backbone of every door.
Fire door core types.
Steelcraft l series optional core.
Heavy duty 18 gauge steel doors.
Wood door cores are central to the door s performance and durability.
Commercial fire rated doors are widely recognized as the best value in the door industry.
Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required.
Solid core doors offer good fire resistance when they are at least 1 3 4 inches thick.
Not available fire rated.
The available door thickness is a nominal 1 3 4.
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.
Hollow core doors are usually purchased for two basic reasons.
Construction makes them resistant to expansion and contraction due to humidity changes.
Each core type has benefits and specific applications where they are recommended or even required to be used.
Rigid honeycomb core.
Mineral fire doors consist of the mineral core itself with lengths of firestop material used for stiles rails and blocking.
Steel is the sole door material to deliver a 3 hour fire rating.
This is a laminated door construction.
Steelcraft h series optional core.
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.
20 45 60 90 minute or 3 hour label.
Polyurethane core doors are suitable for exterior openings in cold climates.
The insulation value is much higher than the honeycomb but lower than the polyurethane.
Hollow metal doors with this core type are most often used at exterior openings and can be fire rated up to 3 hours.
Steel stiffened core doors feature steel ribs in the interior of the door and are used where durability and security are important.
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.