Fire-Rated Mineral Core Wood Doors
Reserved for elevated fire-rating requirements, mineral core doors are composed of non-combustible materials that can be fire-rated for up to 90 minutes. Doors with mineral cores are typically specified where building codes require fire-rated constructions.
- 1-3/4″ thickness only
- Stain grade and prefinished veneers
- Fire-resistant mineral core: rated up to 90-minutes
Product Overview
Mineral core fire-rated wood doors for commercial and institutional applications
Architectural grade wood fire doors control the spread of fire and smoke for up to 1-1/2 hours (90 minutes). Fire doors are often used on openings leading from corridors to offices, closets, storage rooms, stairwells, mechanical rooms, or any other opening that penetrates a fire barrier wall.
Flush mineral core construction is a bonded and sanded gypsum core. Fire doors are required to be self-closing and positive latching. The door frame and hardware must also carry the appropriate fire label. Metal Doors must be used for 3 Hour Fire-Rating.
Features
- Available with a range of hardware preps and glass lites (limited sizes)
- 45, 60, or 90-minute fire-rating with WHI / ITS metal label applied (see standard door pages for 20-minute options)
- Fire-rated metal door frames available
| Construction |
5 Ply Construction - Meets or exceeds industry standards of WDMA I.S.1; |
|---|---|
| Core |
Fire resistant composite core, gypsum mineral. Contains no added Urea-formaldehyde. |
| Thickness |
1-3/4" |
Sizes |
Up to 4'0" Widths, 8'0" Heights |
| Horizontal Edges |
Top and bottom rails - wood or composite material. Bonded to core. |
Vertical Edges |
Matching vertical edges - wood or composite material. Bonded to core. |
| Faces |
Select species raw & prefinished, minimum 1/50″ thick and primed hardboard |
Adhesive |
Doors constructed using Type I adhesives which contain no added urea-formaldehyde |
| Fire-Rating |
45, 60, or 90 minute label (Warnock Hersey-WHI) |
Temp Rise |
30 minutes, 250 degrees maximum |
| Machining |
To specification |
Vision Lites |
Limited sizes w/ approved fire-rated glass |
| Mfg. Hinge/Lock Locations |
Steelcraft, Timely, Western Integrated, Redi-Frame, Mesker, Ceco, Curries, Republic, Baron, Pioneer, Deansteel, Custom Locations |
Buy American Act Compliance |
Meets Buy American Act – Made in USA |
Stain Grade Rotary White Birch
Stain Grade Plain Sliced Red Oak
Stain Grade Plain Sliced White Maple
*Stain Grade Rotary Natural Birch
Primed White Hardboard (Paint Grade)
Clear Prefinished Plain Sliced Red Oak
Clear Prefinished Plain Sliced White Maple
Wood is a natural material with inherent growth patterns. The uniqueness offered by wood makes it appealing and interesting in the realm of design and beauty. This same uniqueness, along with variations caused by screen color and resolution, is why actual colors and door face veneers may vary from what is pictured here.
*Rotary Natural Birch veneer displays fine wood texture and a very irregular grain pattern that is accentuated by the presence of light-colored sapwood permeated by much darker heartwood. The extreme difference in coloration may be highlighted or subdued when the door face veneer is finished and should, therefore, be considered before specifying Natural Birch. Machined wood doors are non-returnable.
Five Basic Requirements for a Fire Rated Opening 
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