Flush Doors
Hollow metal flush doors for commercial and industrial use, available in 16 & 18 gauge galvanized steel with a 3-hour fire rating.
- Next-day shipping nationwide
- UL10 B/C · NFPA 252
- Stocked in Charlotte, NC
Specifications
| Type | Flush |
|---|---|
| Gauge | 16, 18 |
| Core | Polystyrene (standard) |
| Edge | Corner Seam / Interlocking seam, continuously welded |
| Handing | Reversible |
| Thickness | 1¾" |
| Fire Label | 3hr / PP / S |
| Max Size | 4'0" × 8'0" |
| Door Leaf Width | 2'0" – 4'0" |
| Heights | 6'8", 7'0", 8'0" |
| Face Sheet Gauges | 20, 18, 16, 14 (1.0, 1.2, 1.4, 1.8 mm) |
| Material | Galvanized Steel (ASTM A653 or SGCC JIS: G3302) |
| Fire Certification | UL10 B/C, NFPA 252/80 — WH 180 min / PP / S |
Built In
- A40 galvanized steel (G90 and stainless optional)
- 7 gauge universal hinge reinforcements (1/4" backset)
- 16 gauge flush sealed top channel
- Blank edge door includes rim exit device reinforcement
- Prime painted with baked-on two-stage epoxy resin
- 12 gauge closer reinforcement (18" × 6")
- High density full body polystyrene
- Standard Z astragal for double doors
Build Your Part Number
Send us a part number and we can quote faster.
Format: HM-[gauge]G[type]-[hinge]-[size][prep]
HM-18GPF-SC-3070BR
Flush Doors FAQ
What gauge are your hollow metal flush doors?
Our flush doors come in 16 and 18 gauge galvanized steel, with face sheets available from 20 down to 14 gauge.
What fire rating do your flush doors carry?
Up to 3 hours, with a 180 minute Warnock Hersey listing, positive pressure and S smoke label. They are tested to UL 10B/10C and NFPA 252.
Are the doors handed?
No. They are non-handed and reversible, so one door works for left or right hand openings. Check our door handing chart to confirm the hand of your opening.
What core options are available?
Polystyrene is standard. Honeycomb core is also available.
Which hinge templates do you stock?
Steelcraft is the stocking default. Curries, Mesker, Pioneer and Ceco hinge locations are also available.
Do you ship to the jobsite?
Yes. Thousands of doors and frames are stocked in Charlotte, NC and ship nationwide, including direct to the jobsite.
Need Flush Doors?
Contact our team for pricing, lead times, and custom configurations.