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The annual NFBA Frame Building Expo is the premier event for post-frame professionals.  At the Frame Building Expo, everything you need to buil...
Enjoy entertainment, food and beverages compliments of the Plyco Corporation, a leading supplier of products to the post-frame, metal-clad building an...
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East Coast Fasteners introduces the 40-year Ply-Lo Extreme The new 40-year Ply-Lo Extreme line of fasteners from East Coast Fasteners is designed for...



Industry, Schools, churches with commercial building products

Commercial Construction

Professional builders prefer post-frame technology for its versatility and efficiency. Plyco offers the best solutions toward meeting their building needs.

By choosing to “Build Plyco Strong,” building contractors select unmatched value and durability. Builders trust Plyco to deliver lasting cost-effectiveness. By teaming with Ply-Foil Reflective Insulation, Plyco offers industrial and commercial businesses energy savings years into the future.

View our extensive online inventory of commercial construction products.

Post Frame

Post frame builders

Post Frame Construction

When it comes to creating cost-effective structures of the highest quality, America relies on post-frame builders. And post-frame builders rely on Plyco.

Plyco is the nation’s leading supplier of durable, aesthetically pleasing doors, windows and other building accessories. From louvers and cupolas to the tiniest necessities from East Coast Fasteners & Closures, Plyco is the most complete provider of products for the agricultural and post-frame building markets.

Check out our selection of building components for post-frame construction.

Series 20

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Series 20 Exterior Steel Door for Metal Buildings
Series 20 Commercial Steel Prehung Door
Series 20 Metal Building Steel Door Weather Seal
Series 20 Exterior Metal Building Door Threshold Options
Series 20 Prehung Steel Exterior Door
Steel Exterior Door Header Stop
Series 20 Insulated Door
Series 20 Weather Stripping
Series 20 Pre-hung Steel Door
Galvanized Steel Door Colors

Product Info

The Plyco 20 Series pre-hung steel door with universal swing feature is the one door that's right for the job - the whole job.

Exceptional weather protection to withstand the harshest elements

Improve energy efficiency

Labor saving installation

Available in 4 standard colors

Contact us to find a dealer near you or learn how to become a distributor!

Contact Plyco Today!



  • Full rolled edge 24 gauge steel panel, 1 ¾ " thick
  • Universal swing feature
  • Four different style of thresholds available: Inswing, Universal, ADA and Outswing
  • Fully reversible in the 3 ½" thick jamb
  • 16 gauge jamb and panel are galvanized steel
  • Quality double contact weather stripping on jamb allows for greater leak protection.
  • Bulb and 3-fin top and bottom weather seals contact header and threshold to greatly reduce water infiltration
  • Jamb is tooled for hinge and strike mortise, and all jamb mounting holes are counter sunk to allow smooth surface installation
  • Composite lock block and deadbolt prep are standard
  • Lock strike plate is adjustable
  • Passes all ISDI ANSI code tests

Pre Hung Insulated Doors for Commercial and Residential Construction

Plyco’s Series 20 walk doors are designed to be energy efficient, easy to install, and dependable enough to withstand the test of time. Unlike other metal walk doors, the Series 20 makes installation easier, and includes a universal swing feature that allows for up to 8 different configuration options. Contractors can customize their walk doors for a right or left hand in-swing/outswing, choose the key key side placement, set the swing-radius, and more!

Wholesale Energy Efficient Metal Doors for Contractors

Plyco is a wholesale-only contractor supply company, but we give builders the best deals on commercial and residential building materials. We work to establish mutually beneficial, long-term relationships with all of our customers, and Plyco provide products that are much higher quality than big-box building supply stores.

Some of Plyco’s Popular Windows and Walk Doors Include:

Wholesale Walk Doors  



Wholesale Windows  



The Series 20 line of light commercial, insulated doors is our most popular model of walk-door, and contractors nationwide have praised Plyco products for their affordability and high-quality design.

Plyco Insulated Walk Doors Increase Energy Efficiency

With Plyco building components and metal walk doors, not only can you turn in the lowest job estimates possible, but you are receiving construction materials that feature high levels of energy efficiency. This allows your commercial and residential clients to save a fortune on their annual energy bills.

What Makes Plyco Series 20 Walk Doors Energy Saving?

  • 3-fin weather stripping creates a better header seal without impacting performance
  • All doors are pre-caulked to perfection
  • Insulated metal design
  • Horizontally adjustable lock plate allows for a more weatherproof fit.
  • R-13 foam insulated panels

We also have several custom energy-options for the series 20 walk doors for contractors looking for additional low-cost power saving options.

We can add foam-injected, insulated jambs to help any structure better retain a stable inside temperature. Injected-jambs combined with Plyco’s R-13 insulated walk door panels are the perfect 1-2 punch for keeping warm air in and cold air out! As an added bonus, customizable header-stops can also give contractors the ultimate protection from energy waste.

Check out the Series-20 brochure for a full list of customizable energy saving options on Plyco walk doors, and compare its NAFS energy ratings with other walk doors in its price range!



2/6 x 6/8, 2/8 x 6/8, 3/0 x 6/8, 3/6 x 6/8, 4/0 x 6/8,
3/0 x 7/0, 3/6 X 7/0, 4/0 X 7/0
6/0 x 6/8, 8/0 x 6/8, 6/0 x 7/0, 8/0 x 7/0

OVERALL DIMENSIONS a) For correct out to out dimensions see Data Sheet DO-1 3/0 x 6/8 = 39 " x 81 "
b) For Rough Opening dimensions, use dimensions (above -a) and add ½ ” to width and ” to height
Example: R.O. 3/0 x 6/8 = 39 ” + ½” Width x 81 ” + ” Height = 40 ” x 81 ¾ ” Rough Opening

Double doors have attached astragal on the inactive panel of the pair - shipped knocked - down, Hinges
are attached to jambs, Manual head and foot bolt concealed in the astragal

HINGES (3) 4” X 4” Stainless Steel NRP hinges are standard, Ball-Bearing stainless steel on 4/0 sizes

SKIN Smooth 24 gauge galvanized steel painted finish 3068 available in 6-panel or X-Buck styles
EDGES Rolled edge in aluminum core rails
BLOCKING HDPE lock reinforcing structure, optional steel closer blocking, Special lock blocking is availabl
INSULATION Panel R-13 (u= .077)
EMBOSSING 3/0 6/8 only - Six panel style, X-Buck style
COLORS Polar White, Bronze, Chocolate Brown and Hickory Moss
LOCK FACE PREP Standard with 2 ” lockset bore, backset of 2 ¾ ” - non-bore optional.
DEAD BOLT Optional face bore and edge prep for deadbolt, dbl. notch latchguard available as an option
SWEEP Durable Alcryn bulb & fin sweep
  • 1 LI-2 20" x 24" insulated
  • 1-LA-2 20” x 24” Single glazed
  • 1-LE 16" x 16" Insulated
  • 1-LB-2 22” x 36” Insulated
  • 1-LU-2 4” x 48” Single glazed
  • 9-LB-2 22” x 36” Insulated w/ 9-Lite
Other glass sizes are available - lite kits listed above are most common


TYPE PREHUNG 16 gauge galvanized steel - Flush plain doors are universal swing with dbl. contact weatherstrip
3 ½ ” only. Reveal is 1
Face mounted with concealed edges
ANCHORS Standard frame screws, optional masonry wall clips
THRESHOLD Aluminum, painted, universal, ADA threshhold is available, Dedicated swing option is available


  Air Infiltration
<2.20 CFM/tt
  Water Penetration ASTM-E331 No leakage
  Physical Endurance AAMA 920 100,000 cycles
  Forced Entry Resistanc
AMMA 1304
300 lb. Point Load
  Thermal Performanc NFRC 100-2010
U factor = 0.24 (Flush & Embossed including frame)
  Fire Resistance Labele  N/A    
  Wind-Storm Resistanc ASTM-E330-02 Single Lock
+/-45 psf Class LC-PG45 (52x86)
  (Flush Doors, up to 4070)    Deadlock added +/-60 psf Class LC-PG60 (52x86)
  (Full 22x60 Insul. Lite Kit Installed, up to 3070) Sgl. Lock or Deadbolt     +/-45 psf Class LC-PG45 (40x60)
  (Full 22x60 Insul. Lite Kit Installed, up to 3070) Panic Bar - Rim Device      


  • Panic Hardware
  • Door Closers
  • Extra heavy duty locksets
  • Security deadlocks
  • Passage locksets
  • Special blocking
  • Master keyed locksets
  • Barn door latch
  • Handicap threshold
  • Header-Stop for additional weather sealing
  • Refer to price page for other lockset options
  • 3068-4068-6068-8068 Available in 4 colors: Bronze, Hickory Moss, Polar White and Chocolate Brown
  • 3068 available with cross buck and six panel embossing
View our full selection of prehung steel exterior doors available from Plyco Corporation.