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Conklin Metal Industries
Conklin Metal Industries

Sheet Metal, Duct Fab & HVAC supplies—Founded in 1874

  • Our Products
    • Duct Fab Supplies
      • Access Doors—Square Framed
      • Access Doors—Grease Duct
      • Access Doors—Observation Viewport
      • Access Doors—Sandwich Style
      • Adhesives—Precharged Cylinders
      • Adhesives—Solvent Based
      • Adhesives—Water Based
      • Angle Iron Rings & Blast Gates
      • Dampers—Dial Regulators
      • Dampers—End Bearings
      • Dampers—Heavy Duty Blades with Rod
      • Dampers—Multiblade Parts
      • Dampers—Rapit Regulator Sets
      • Dampers—Splitter Damper Hardware
      • Degalvanizer Sprays
      • Duct Film Wrap
      • Duct Lifts
      • Duct Liner Knives
      • Duct Liner—Fiberglass
      • Duct Liner—PolyArmor
      • Duct Liner—Rubber
      • Duct Liner—Spiracoustic
      • Duct Liner—Unfaced for Double Wall Spiral Duct
      • Duct Reinforcement
      • Duct Sealant Accessories
      • Duct Sealant—Cartridges
      • Duct Sealant—Solvent Based
      • Duct Sealant—Spray On
      • Duct Sealant—No Fibers
      • Duct Sealant—Heavily Fibrous
      • Duct Sealant—Light Fibers
      • Duct Board
      • Ductmate—Cleats
      • Ductmate— Corners
      • Ductmate — Flange
      • Ductmate—Tools and Accessories
      • Edge Coating / Duct Butter
      • Expanded Metal
      • Flexible Duct Connector
      • Flexible Duct Connector Tools and Accessories
      • Gasketing
      • Grease Duct Fab Materials
      • Hardware Cloth
      • Hinges
      • Insulation Board
      • Label Remover
      • Locking Handles for Access Doors
      • Pittsburgh Lock Opening Tools
      • Pittsburgh Seam Sealant
      • Pop Rivets & Drill Bits
      • Reinforcement Angle
      • Rolled Mastic
      • Safety—Body Protection
      • Safety—Cooling Gear
      • Safety—Glasses & Eyewear
      • Safety—Gloves
      • Safety—Hardhats & Ear Protection
      • Screws
      • Slips & Drives
      • Solder
      • Spray Paint
      • TDC/TDF Cleats
      • TDC/TDF Corners + Hardware
      • TDC / TDF Tools
      • Threaded Rod
      • Turning Vane and Rail
      • Weld Pins
      • Welding Tools
    • HVAC Supplies
      • Access Doors—Square Framed
      • Air Conditioning Accessories
      • Air Handler Stands
      • Anchor Fasteners
      • B Vent
      • Bath Fans
      • Cable Operated Dampers
      • Can Stock
      • Chemicals—Lineset Flush, Lubricants, Leak Detector
      • Coil Cleaners for AC
      • Condensate Management
      • Condensate Pumps and Accessories
      • Copper Ball Valves
      • Copper Fittings—Sweat
      • Copper Fittings—Press
      • Copper Tools
      • Copper—HVAC / ACR
      • Drain Pans
      • Dryer Boxes
      • Dryer Vent
      • Duct Lift Accessories
      • Duct Lifts
      • Duct Sealant Accessories
      • Duct Sealant—Cartridges
      • Duct Sealant—Solvent Based
      • Duct Sealant—Spray On
      • Duct Sealant—No Fibers
      • Duct Sealant—Heavily Fibrous
      • Duct Sealant—Light Fibers
      • Duct Wrap—Fiber Free Bubble Wrap
      • Duct Wrap—Fiberglass
      • Duct Wrap—Fire Wrap
      • Electrical
      • Electrical Motors
      • Filters & Filter Racks
      • Filter Driers
      • Fire Dampers
      • Flex Duct
      • Gas—Nitrogen, Oxygen, Acetylene, Propane
      • Gas Pipe
      • GRD’s Commercial—Registers and Grilles
      • GRD’s Commercial—T Bar Return
      • GRD’s Commercial—T Bar Supply
      • GRD’s Residential — Return Air Grilles/Registers
      • GRD’s Residential — Supply Air Grilles/Registers
      • Hangers
      • Hanger Strap
      • Hurricane Stands & Braces
      • HVAC Troubleshooting Equipment
      • IAQ
      • Jobox Storage Chests
      • Copper—Level Wound Copper Tubing
      • Line Covers
      • Mounts
      • Pads & Isolators
      • Pest Control
      • Pipe Flashings
      • PVC
      • Ratchet Wrenches
      • Refrigerant
      • Rolled Mastic
      • Roofing Products
      • Rooftop Supports for HVAC
      • Rope
      • Round Spring Return Motor Damper
      • Safety—Body Protection
      • Safety—Cooling Gear
      • Safety—Glasses & Eyewear
      • Safety—Gloves
      • Safety—Hardhats & Ear Protection
      • Screws
      • Sealants
      • Side Wall Caps
      • Smoke Detectors
      • Strut
      • Surge Protectors
      • Thermostats
      • Thermostat & Plenum Wire
      • Threaded Rod
      • Tracpipe
      • Triangle Boxes
      • Tubing Insulation
      • Wall Stack Products
      • Weatherproof Jacketing
      • Wire Hanging Systems
      • Wrenches and Hex Keys
    • Metal
      • Acrylume
      • Aluminum
      • Aluminum Tread Plate
      • Beaded Sheets—Galvanized
      • Blank Bead and Notch
      • Copper
      • Expanded Metal
      • Galvanized Coils
      • Galvanized Flat Sheets
      • Galvanized Small Coils
      • Galvannealed
      • Grease Duct Fab Materials
      • Hardware Cloth
      • Painted Black Galvanized
      • Perforated
      • Phos Bond
      • Slit Coils
      • Stainless
    • Pipe and Fittings
      • Air-Tite Takeoffs—Flat
      • Air-Tite Takeoffs—Round
      • Angle Iron Rings & Blast Gates
      • Conductor Pipe / Rigid Vent Pipe
      • Conicals
      • Damper Sections
      • Duct Board
      • Gasketed Fittings
      • Greenseam Pipe
      • Hero Fabric Duct
      • HETO’s
      • Insulated Ceiling Boxes
      • Register Boots
      • Snap Collars and Spin Ins
      • Snaplock Fittings
      • Snaplock Pipe and Adjustable Elbows
      • Spiral Connectors
      • Spiral Elbows— Gorelocked
      • Spiral Elbows—Die Stamped
      • Spiral Elbows—Spiral Seamed
      • Spiral Fittings
      • Spiral Grilles
      • Spiral Pipe
      • Timers
      • Wire Hanging Systems
    • Hand Tools
      • Beveler
      • Cordless Drills
      • Crimpers
      • Cutting Wheels
      • Duct Liner Knives
      • Duct Stretchers
      • Folding Tools
      • Hammers
      • Hand Punches
      • Hand Shears
      • Hand Shears—Doublecut
      • Hand Shears—Unishear
      • Hand Tongs and Seamers
      • Hole Cutters
      • Impact Drivers
      • Marking Tools
      • Nibblers
      • Notchers
      • Panel Cutters
      • Pittsburgh Lock Opening Tools
      • Pittsburgh Seam Closers—Portable
      • Ratchet Wrenches
      • Rulers, Gages, and Tape Measures
      • Snips
      • Trumpf Tool Accessories and Batteries
      • Wood Mallets
    • Machinery
      • Band Saws & Cut-Off Saws
      • Beaders
      • Beveler
      • Channel Letter Sign Machines
      • Cheekbenders—Manual
      • Cheekbenders—Power
      • Cleatbender—Manual Drive Turn Machine
      • Cleatbender—Power Drive Turn Machine
      • Cleatbender—Rollform
      • Clinching Machines—Portable
      • Clinching Machines—Stationary
      • CNC Folders
      • Coil Lines
      • Corner Machine—Dual Head
      • Corner Machine—Single Head
      • Cradle Caddy and Shear
      • Crimp and Bead Machines
      • Degalvanizer Sprays
      • Duct Liner Cutting System
      • Hand Brakes–Manual (TD)
      • Hand Brakes—Floor Mount
      • Duct Brake—Power
      • Duct Lift Accessories
      • Duct Lifts
      • Ductboard Machine
      • Edge Notchers
      • Flangers—Manual
      • Flangers—Power: Buttonpunch
      • Flangers—Power: Pittsburgh
      • Gorelockers
      • Ironworkers
      • Hand Brakes—Bench Mount
      • Label Remover
      • Laser Cutting Table
      • Liner Sizers
      • Corner Notchers & Drive Cleat Notchers
      • Duct Notchers
      • Panel Cutters
      • Pipe Stands
      • Pittsburgh Machines
      • Pittsburgh Seam Closer—Floor Mounted
      • Pittsburgh Seam Closers—Portable
      • Plasma & Liner Cutting Table
      • Plasma Feeding System
      • Plasma Tables—Metal
      • Pinspotters (Weld Pin Machines)
      • Press Brake
      • Rollers—Manual
      • Rollers—Power: Plate
      • Rollers—Power: Sheet Metal
      • Rotary Machine—Manual
      • Rotary Machine—Power
      • Roto Bonders / Adhesive Applicators
      • Shears
      • Slip & Drive Rollformers
      • Slitter—Power
      • Snaplock Machines
      • Spiral Pipe Machines
      • Spiral Pipe Machines — Oval
      • Spotwelders
      • Square to Round Machines
      • TD Machines
      • Torch Tips
      • Used Sheet Metal Machinery
      • Vicon Spiral Pipe Plasma Cutting System
      • Waterjet Cutting Table
    • Mechanical Pipe Insulation
      • Anti-Corrosion & Weather-Proofing
      • Cleaners
      • Elastomeric Insulation—Adhesives, Coating & Tape
      • Elastomeric Insulation—Pipe
      • Elastomeric Insulation—Sheet & Roll
      • Fiberglass Insulation Board
      • Fiberglass Insulation Wrap
      • Fiberglass Insulation Wrap—High Temp
      • Fiberglass Pipe Insulation
      • Fiberglass Scrim
      • Firestop
      • Heat Tracing
      • Insulation Coupling Strut Clamps
      • Insulation Hardware
      • Insulation Tools
      • Ladders
      • Metal Jacketing
      • Mineral Fiber Insulation Board
      • Mineral Wool Pipe Insulation
      • Pipe Saddles
      • PVC Fittings
      • Safety & Protection
      • Sealants, Coatings & Adhesives
      • Tape
  • Our Locations
    • All Locations
    • Atlanta Corporate Headquarters
    • Atlanta West (Austell)
    • Atlanta North (Norcross)
    • Birmingham
    • Charlotte
    • Greenville (GV)
    • Jackson
    • Knoxville
    • Little Rock
    • Mechanical Pipe & Insulation
    • Memphis
    • Miami
    • Mobile
    • Nashville
    • New Orleans (NOLA)
    • Orlando
    • Plan & Spec
  • About Us
    • Our History
    • The Conklin Way
    • Our Core Values
  • Blogs & Reference
    • Reference
      • Coil/Sheet Gauge Color Chart
      • ASTM-AISI Thickness Tolerance Ranges
      • Lockformer Machine Historical Serial Numbers
    • Duct Shop Fabrication Processes
    • Duct Sealant Themes
    • HVAC Ductwork 101
    • HVAC and Duct Fab Supplies
    • Industry Insights
    • Job Site Installation
    • Mechanical Insulation
    • Plan and Spec
    • Power Hand Tools
    • Sheet Metal Forming Machinery
    • Spiral Pipe
    • Transverse Connection
  • Find Us On…
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    • LinkedIn
    • Facebook
    • Vimeo
  • Email Us
  • Careers
  • Our Brands

LATE 1930’s

/ 1930-1949, History / By Harry Thompson IV / January 1, 1939

With the advent of HVAC, sheet metal was being used to fabricate round and rectangular ductwork.

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#FlashbackFriday with Ron Zellner, who has been wi #FlashbackFriday with Ron Zellner, who has been with Conklin for 47 years! 1- 1989: Conklin salesman Ron Zellner with Dave and Dolly Ellison of Ellison Manufacturing 2- 1997: (from left) Ron Zellner, Bob Kienel and Andy Crowder at ASHRAE convention Philadelphia #libertybell 3- 2007: Steve Trout and Ron Zellner at Steelers Game during a Ductmate visit!
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  • Atlanta—Corporate Office
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  • Memphis
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