The non-handed, N-Series door meets the requirements of virtually any opening — from sound deadening to energy cost reduction to fire rating. They come in a variety of gauges, sizes, and styles and can be custom manufactured to meet your unique design requirements.
- 18 Gauge Standard (Available in 14, 16, and 20 gauges)
- Polystyrene Core Standard (Available in honeycomb, fiberboard, and urethane cores)
- Cold Rolled Steel Standard (Available in A40 and A60 Galvannealed and G90 Galvanized Steel)
- Mesker Grey Primer Standard
- Flush Face Standard
- Mechanically interlocking pan and lid design
- 7 gauge hinge reinforcements with an extra long, high frequency top hinge reinforcement standard
- Closer reinforcement standard
- Inverted top channel standard (available in flush top)
- Up to 3 hour fire rating available
- Built to meet and exceed ADA, ANSI, ASTM, and SDI Standards.
- Made in USA

Mesker uses only the best materials, like 12, 14, or 16 gauge cold rolled steel, G90 Galvanized or Galvannealed steel for corrosive applications. State-of-the-art technology is employed for consistent and accurate quality, such as computer-controlled mig welders and an overhead trolley line paint booth. Mesker surpasses the industry requirements by using 3/16 inch hinge reinforcements to outlast the heaviest doors. F-SERIES frames are fire-rated 3 hour and receive an embossed UL label standard.
- 16 gauge standard (Available in 12 and 14 gauges)
- Double, unequal, rabbeted profile standard (Available in cased opened, single rabbet, equal rabbet, communicating, double egress, and other custom profiles)
- Cold rolled steel standard (Available in A40, A60 galvannealed and G90 galvanized steel)
- Mesker grey primer standard
- Anchoring options: wire anchors, masonry t anchors, universal anchors, steel stud anchors, punch and dimple tube anchors, existing wall anchors
- Knocked down construction standard (Available welded)
- 3/16″ 7 gauge projection welded-one piece hinge reinforcements
- Factory installed plaster guards on hinge and strike reinforcements
- Tacked in 16 gauge floor anchors
- Precision brake forming for crisp profile bends
- 14-gauge projection-welded- one piece strike reinforcements
- Mitered corners with strong 4 tab interlocking system
- Furnished with rubber mutes- 3 per strike jamb
- Embossed UL label on hinge jamb for up to 3 hour fire rating
- Built to meet and exceed ADA, ANSI, ASTM, and SDI standards

Mesker heavy gauge frames are designed to be pressure-fitted to the wall which improves unit life, and ensures durability with less torsion and sagging. Average installation time is 4-5 minutes per frame using the adjustable jamb lock for secure anchoring. Additionally, two dimpled holes at the base of each jamb stabilize the frame during installation. FDJ-series frames are fire-rated 1-1/2 hours and receive an embossed UL label standard.
- 16 gauge standard
- Double, unequal, rabbeted profile standard
- Additional ¼” backbend return standard- for easy drywall slip-on installation
- Available in cased opened, single rabbet, equal rabbet, communicating, double egress, and other custom profiles
- Cold rolled steel standard
- Mesker grey primer standard
- Knocked down construction standard
- Design to pressure-fit to the wall for easy installation on drywall applications
- Adjustable compression anchors in each jamb for pressure-fitted installation
- (2) dimple holes on each jamb to stabilize frame at installation (accept #10 drywall screws)
- 3/16″ 7 gauge projection welded-one piece hinge reinforcements
- Factory installed plaster guards on hinge and strike reinforcements
- Precision brake forming for crisp profile bends
- 14-gauge projection-welded- one piece strike reinforcements
- Mitered corners with strong 4 tab interlocking system
- Furnished with rubber mutes- 3 per strike jamb
- Embossed UL label on hinge jamb for up to 90 minute fire rating
- Built to meet and exceed ADA, ANSI, ASTM, and SDI standards


6'8" Doors

7'0" Doors

8'0" Doors