Pemko FM-RG Series Grade 1 Alu...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$346.00
$228.81
Pemko FM-RG Series Heavy Duty Full Mortise Raised Geared Hinge

Pemko FM-RG Series Grade 1 Aluminum Full Mortise Raised Geared Continuous Hinge with 180-Degree Swing

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Model: CFM83RG-HD1
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$346.00
$228.81
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Pemko FM-RG Series Grade 1 Aluminum Full Mortise Raised Geared Continuous Hinge with 180-Degree Swing

Professional Full Mortise Continuous Hinge Solution

The Pemko FM-RG Series Full Mortise Raised Geared Hinge delivers heavy-duty performance for wood or metal cased openings requiring deep rabbet installation. This Grade 1 aluminum continuous hinge accommodates doors up to 1-3/4"; thick and 4' wide, with custom lengths available up to 10' maximum. The raised geared design allows for 180-Degree swing operation while concealing both leaves for a clean appearance and UL 10C fire rating certification.

Professional Features & Benefits

  • Maximum Door Compatibility: Supports doors up to 1-3/4"; thick and 4' wide with 180-Degree swing capability for versatile installation options.
  • Custom Length Availability: Available in lengths from 79"; minimum to 10' maximum with custom sizing options for specific project requirements.
  • Heavy-Duty Construction: Grade 1 aluminum construction with 1.15 lbs per foot weight rating for demanding commercial applications.
  • Raised Geared Design: Specially designed leaves allow hinge to pivot without interference from the cap, ensuring smooth operation throughout the full 180-Degree swing range.
  • Full Mortise Installation: Designed for deep rabbet installation on wood or metal frames with applied facing or decorative moldings.
  • Fire Rating Compliance: UL 10C certified with special FirePins required only on 3-Hour (A-Label) assemblies for code compliance.
  • Concealed Leaf Design: Both leaves remain concealed when installed, providing clean aesthetics and enhanced security benefits.
  • Lifetime Warranty: Heavy duty models guaranteed for the life of the opening against defects in material or workmanship for added confidence and protection.

Technical Specifications

  • Department: Door Hardware
  • Grade: Grade 1
  • Product Category: Door Hinges and Pivots
  • Product Group: Door Hinges and Pivots
  • Product Model: FM-RG
  • Product Subgroup: Continuous Hinges
  • Product Substrate: Aluminum
  • Product Type: Continuous Hinges
  • Series: FM-RG Series
  • Subcategory: Continuous Hinges

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Industrial and Warehouse Facilities
  • Fire-Rated Door Assemblies
  • Heavy-Traffic Commercial Entrances
  • Multi-Tenant Residential Properties

Why Choose Pemko Quality?

Pemko FM-RG Series continuous hinges deliver professional-grade reliability with Grade 1 aluminum construction and ANSI/BHMA A156.26 certification. Heavy duty models include a lifetime warranty against defects in material or workmanship, providing confidence for demanding commercial applications. UL 10C fire rating certification ensures code compliance for fire-rated assemblies where dependable performance is essential.

Product Specs

Subcategory:
Continuous Hinges
Grade:
Grade 1
Product Group:
Door Hinges and Pivots
Product Subgroup:
Continuous Hinges
Product Type:
Continuous Hinges
Product Model:
FM-RG
Product Category:
Door Hinges and Pivots
Department:
Door Hardware
Product Substrate:
Aluminum
Series:
FM-RG Series

Pemko CFM83RG-HD1 – Frequently Asked Questions

1) I need a continuous hinge for a 2 inch thick door. Will the Pemko FM-RG cover it?
No. The FM-RG tops out at 1-3/4 inches of door thickness. For a thicker leaf, the NGP HD5700 full surface continuous geared hinge is listed for 1-3/4 inch to 2-1/4 inch doors with a 1/16 inch door inset, though it is a surface mount rather than a mortise hinge.
2) What lengths does the Pemko FM-RG hinge come in, and can I get it for a 10 foot door?
Stock lengths are 83, 85, 95 and 120 inches, each in clear anodized or dark bronze anodized aluminum. The series runs from a 79 inch minimum up to a 10 foot maximum with custom lengths cut to project requirements, so a 10 foot leaf is within the series range but is a custom length rather than a stock size.
3) What is a full mortise raised geared hinge and when do I need one instead of a surface mounted continuous hinge?
Full mortise means the hinge sets into a deep rabbet in both the door edge and the frame, so both leaves stay concealed once the door is hung. That is what you want on wood or metal cased openings with applied facing or decorative moldings, where a surface mounted leaf would sit on top of the trim and look wrong. The raised geared leaf design lets the hinge pivot without the cap interfering, giving a full 180 degree swing. If the frame has no rabbet to mortise into, a surface mount hinge such as the Design Hardware FSHD full surface geared hinge is the right family instead.
4) Is the Pemko FM-RG hinge fire rated, and do I need anything extra on a 3 hour door?
The FM-RG carries UL 10C certification. On 3-Hour (A-Label) assemblies you also have to order the special FirePins; they are not required on lower rated openings. Order them with the hinge if the opening is A-Label, because the assembly will not comply without them.
5) Is the Pemko FM-RG a Grade 1 hinge and what standard is it tested to?
Grade 1, tested to ANSI/BHMA A156.26 for continuous geared hinges. For a school, hospital or other high traffic facility standardizing on one hinge, that is the top grade in the continuous hinge standard. By comparison, the NGP HD1100A concealed continuous geared hinge is listed as Grade 3.
6) My frame has no rabbet depth for a mortise hinge - what should I use instead of the Pemko FM-RG?
The FM-RG is built for deep rabbet full mortise installation on wood or metal cased openings, so a shallow or non-rabbeted frame calls for a surface-mounted geared hinge instead. The Design Hardware FSHD is a heavy duty full surface continuous geared hinge, the BEST 664HD is a heavy duty full surface geared hinge with a 90 minute UL fire rating, and the ABH A460HD is a heavy duty aluminum half surface gear hinge. Surface and half surface types fasten to the face of the door and frame rather than into the rabbet.
7) What is the closest equivalent to a Pemko FM-RG continuous hinge from another brand?
The Pemko FM-RG is a full mortise aluminum continuous geared hinge, so the nearest cross-brand matches are other full mortise aluminum geared hinges. The ABH A120HD is a heavy duty aluminum continuous gear hinge in full mortise configuration, and the Design Hardware FMHD is a heavy duty full mortise continuous geared hinge. Both mount in the same full mortise position between door edge and frame rabbet. The FM-RG differs in its raised geared leaf design, which lets the hinge pivot without cap interference for a 180 degree swing, and it carries Grade 1 with UL 10C fire rating.
8) Is the NGP HD1100A a drop-in substitute for the Pemko FM-RG?
They are both concealed-style continuous geared hinges in aluminum, but they are not graded the same. The Pemko FM-RG is a Grade 1 hinge, while the NGP HD1100A is listed as Grade 3 and comes in an 83 inch length. If your spec calls out ANSI/BHMA Grade 1, the FM-RG meets it and the HD1100A does not. The HD1100A carries a 10C 90 minute fire rating on hollow metal.
9) What should I use in place of the Pemko FM-RG on a door thicker than 1-3/4 inches?
The FM-RG is rated for doors up to 1-3/4 inches thick and 4 feet wide. For a thicker door, the NGP HD5700 is a full surface continuous geared hinge with a 1/16 inch door inset sized for 1-3/4 inch to 2-1/4 inch doors, and it carries a 10C 90 minute fire rating on hollow metal in an 83 inch length. Note it is a full surface mount rather than full mortise, so the door and frame prep is different.
10) How does the Pemko FM-RG compare to the BEST 663HD for a fire-rated opening?
Both are heavy duty continuous geared hinges suitable for fire-rated assemblies. The BEST 663HD is a heavy duty continuous hinge carrying a 90 minute UL fire rating and is built for 3/32 inch inset doors. The Pemko FM-RG is UL 10C certified and Grade 1, with special FirePins required only on 3-Hour A-Label assemblies, so it can be carried into higher-rated openings with the correct pins. Match the choice to the label on the frame and to whether your prep is full mortise.
11) Does a continuous hinge like the Pemko FM-RG hold up better than butt hinges on a high traffic door?
That is the reason to use one. A continuous geared hinge runs the full height of the door and spreads the load along the whole edge instead of concentrating it at two or three butt hinge locations, which is where sagging and screw pull-out start on heavy traffic openings. The FM-RG is the Grade 1 aluminum version of that, used on commercial office, school, healthcare, industrial and multi-tenant residential entrances.
12) I need a lighter duty full mortise continuous hinge than the Pemko FM-RG for a low traffic interior door - what are my options?
The BEST 641 is a steel full mortise standard duty continuous hinge with hospital tips, and the BEST 651 is the stainless steel full mortise version with hospital tips; both are classified medium duty. They mount in the same full mortise position as the Pemko FM-RG but are steel and stainless steel rather than the FM-RG's aluminum, and they are pin-and-barrel style with hospital tips rather than a raised geared leaf. The FM-RG remains the choice where Grade 1 and a 180 degree raised geared swing are required.
13) The existing door and frame are out of alignment - is the Pemko FM-RG the right hinge or should I use an offset type?
The FM-RG installs full mortise into a deep rabbet, which assumes the door and frame prep are true to that rabbet. Where the frame face and door face do not line up for a standard surface or mortise hinge, an offset geared hinge such as the Design Hardware FSOHD, a heavy duty full surface offset continuous geared hinge, is built to pick up that condition.
14) Is there a continuous geared hinge with a finger-safety feature as an alternative to the Pemko FM-RG?
The Pemko FM-RG conceals both leaves when installed in the full mortise position, which closes off the hinge side visually and adds a security benefit, but it is not marketed as a safety hinge. If pinch protection on the hinge side is the driver, for example in an educational or healthcare corridor, the ABH A135HD is a heavy duty aluminum continuous gear hinge with a safety design.
15) What finishes does the Pemko FM-RG continuous hinge come in?
Two anodized aluminum finishes, clear and dark bronze, and both are offered across every stock length (83, 85, 95 and 120 inch). Clear anodized is the usual match for aluminum storefront and hollow metal frames; dark bronze matches bronze anodized entrance systems and darker painted frames.
How fast can I get the Pemko CFM83RG-HD1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Pemko CFM83RG-HD1 come with a warranty?
Absolutely. The Pemko CFM83RG-HD1 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Pemko CFM83RG-HD1?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Pemko CFM83RG-HD1 from ZenSupply?
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