Pemko HM Series Half Mortise Continuous Geared Hinge - Grade 1 Aluminum with 5/32"; Clearance
Professional Half Mortise Continuous Hinge Solution
The Pemko HM Series Half Mortise Continuous Geared Hinge is engineered for retrofit applications and new construction on swinging fire doors. This Grade 1 aluminum hinge requires only 5/32"; clearance and accommodates door thicknesses of 1-3/4"; with maximum door widths up to 4 feet. Available in lengths from 79"; minimum to 10 feet maximum, this hinge provides 180-Degree swing capability with UL 10C fire door certification.
Professional Features & Benefits
- Minimal Clearance Requirement: Requires only 5/32"; clearance for tight-fitting applications and allows adjustments for proper door alignment.
- Door Compatibility: Accommodates 1-3/4"; door thickness with maximum door widths up to 4 feet for versatile installation options.
- Grade 1 Construction: Heavy-duty aluminum construction meets ANSI/BHMA Standard A156.26 for commercial-grade durability and performance.
- Custom Length Options: Available in lengths from 79"; minimum to 10 feet maximum with custom lengths available for specific applications.
- Fire Door Certification: UL 10C certified for use on fire-rated assemblies with special FirePins required only on 3-Hour A-Label assemblies.
- Self-Drilling Installation: Frame fasteners are #12-24 x 7/16"; Phillips Head Type C threadforming, door fasteners are #12-24 x 7/16"; FHUC Type C threadforming.
- Retrofit Friendly Design: Applied to exposed surface of frame and door edge, designed for retrofit work without requiring hinge reinforcement removal.
- Manufacturer Warranty: Guaranteed for the life of the opening against defects in material or workmanship for long-term reliability.
Technical Specifications
- Department: Door Hardware
- Grade: Grade 1
- Product Category: Door Hinges and Pivots
- Product Group: Door Hinges and Pivots
- Product Model: HM
- Product Subgroup: Continuous Hinges
- Product Substrate: Aluminum
- Product Type: Continuous Hinges
- Series: HM Series
- Subcategory: Continuous Hinges
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Pemko Quality?
Pemko HM Series continuous hinges deliver professional-grade reliability with Grade 1 aluminum construction meeting ANSI/BHMA Standard A156.26 and UL 10C fire door certification. Guaranteed for the life of the opening against defects in material or workmanship with 1.15 pounds per foot weight rating. Engineered for demanding commercial applications where dependable performance and fire safety compliance are essential.
Manufacturer Resources
Product Specs
- Subcategory:
- Continuous Hinges
- Grade:
- Grade 1
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Continuous Hinges
- Product Type:
- Continuous Hinges
- Product Model:
- HM
- Product Category:
- Door Hinges and Pivots
- Department:
- Door Hardware
- Product Substrate:
- Aluminum
- Series:
- HM Series