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Modular Walls

Design & Construction Options

Porta-King Modular Wall Systems are a highly functional, durable and attractive way to divide existing space. We know that every application for a modular wall system is different, that is why we offer you so many different construction options to ensure you get a wall system designed to meet your specific project requirements. Continue to scroll down to see all of the modular wall construction options available from Porta-King.

Wall Systems & Partitions
Versa-King Overheight Walls
Versa-King Tall Walls
Monolith
Wall Systems & Partitions

Wall Systems & Partitions

Our Modular Wall Systems and Partitons are an attractive, cost effective and flexible way to divide existing space. We offer a variety of construction options to create a wall system or partition to meet your needs. Our systems are designed to install quickly and easily with minimal disruption to your daily operation. Additionally, everything included with the initial purchase can be reused in the event of a relocation or modification to the original design. Not only does this flexibilty save you money but it could also provide benefits as part of a LEED certified project.

Exploded view of a Versa-King duct assembly, showing a rectangular main duct section with an attached smaller side section and an additional separate panel.

Versa-King 3″

Our most popular wall system. Versa-King systems can accommodate virtually any interior building application. Porta-King uses all extruded aluminum for the vertical post connection and other framing components used in the construction of our 3″ Versa-King modular system. Aluminum is a maintenance free material. Unlike steel post systems it will not rust when exposed to moisture. The extruding process enables tighter control of the tolerances of the various shapes used to create our modular systems. As a result you get a better fit and finish that is possible with a steel post system. The Versa-King post design provides an easy access wiring chase every four feet. Snap-on cover plates allow quick and easy wiring during and after set-up. Versa-King is load bearing making it perfect for two story and / or storage loading applications.

Framing Color Choices: Clear Satin Anodized, White & Beige

Illustration of a three-dimensional folder icon with a magnifying glass focusing on the inner details of the folder's layered construction, emphasizing depth and organization.

Steel on Drywall

This panel includes a finished surface of smooth painted steel laminated to a layer of drywall and includes a UL Class 1 EPS foam insulating core. Like our painted steel on hardboard panel design, the multi-layer lamination design of this panel makes it another very durable panel surface. resistant surface. Additionally the drywall provides a 15 minute thermal barrier required by some building codes. This is another panel surface that is ideal for harsh plant environments. 3″ thick panel thickness has a thermal insulating value of R 10.
Color Choices: Gray, White, Beige

An illustration of a beige folder with documents, featuring a magnifying glass highlighting the details of the FRP files.

FRP on Drywall

A finished surface of Glass fiber reinforced plastic (FRP) laminated to 1/2″ drywall with a UL Class 1 EPS foam insulating core. Highly durable and impact resistant panel. Corrosion resistant and an economical alternative to steel. Ideal for harsh plant environments Standard FRP panels surface is Class C fire rated. Class A fire rated FRP is also available. 3″ thick panel thickness has a thermal insulating value of R 10.
Color Choices: Gray, White, Almond

Illustration of a layered white rectangular vinyl drywall object connected by a hinge at the corner, with a magnifying glass focusing on its layered structure.

Vinyl Covered Drywall

This panel option includes a 1/2″ thick, prefinished vinyl faced drywall laminated to a UL Class 1 EPS foam insulating core. The surface is easy to clean and provides excellent sound reducing qualities. This panel is Class 1 fire rated when tested in accordance to ASTM E-84. 3″ thick panel thickness has a thermal insulating value of R 10.
Color Choices: Gray, White, Beige, Blue, Black

Illustration of a detailed cross-section of a wall structure magnified to show layers, including exterior cladding, insulation, and interior plaster with vinyl covered hardboard.

Vinyl Covered Hardboard

Our most economical panel finish. 1/8″ thick, prefinished vinyl faced hardboard surface laminated to a UL Class 1 EPS foam insulating core. 3″ thick panel thickness has a thermal insulation value of R 13. This panel is light weight yet very durable and impact resistant. The vinyl covered hardboard used to create this panel surface has a Class C fire rating. Porta-King recomends consulting with your local building code official to confirm specific code requirements for your facility.
Color Choices: Gray, White, Beige, Blue, Black

Illustration of a hinged door partially open, with a close-up view showing the PVC fittings detail connecting the door to the frame.

PVC

PVC creates a highly reflective surface that is scratch and chemical resistant. Can be laminated to a solid UL Class 1 EPS or polyisocyanurate core.
Color Choices: White

Illustration of a minimalist open door with a detailed close-up showing the door's hinge and slight gap between the door and frame, rendered in shades of gray and featuring an aluminum coating.

Painted Aluminum

Painted aluminum is a light weight, non-shedding, and corrosion resistant material. It can be laminated to a solid UL Class 1 EPS or polyisocyanurate core.
Color Choices: White

Illustration of an abstract geometric design featuring a light gray painted steel square and a darker gray rectangle connected by a circle at the top left corner.

Painted Steel

Painted steel wall composition is an economically priced, super durable finish, available in a variety of colors. It can be laminated to a solid UL Class 1 EPS or polyisocyanurate core.
Color Choices: White, Gray, Beige

Illustration of a beige FRP folder with a magnifying glass focusing on its tab, showing detailed layers of the folder material.

Smooth FRP

This heavy duty, easy to clean material is also chemical and moisture resistant. Can be laminated to a solid UL Class 1 EPS or polyisocyanurate core.
Color Choices: Gray, White, Almond

An office doorway, designed as a single man door of heavy duty aluminum, reveals a glimpse into a small room with gray walls, equipped with a chair, desk, computer, and a wall-mounted air

HDD – Heavy Duty Aluminum – Single Man Door

Heavy-duty tubular framework is mechanically fastened together to create a very durable, light weight, door leaf. The door frame is aluminum to match wall framing and installs flush with wall panels. Connecting posts are located on both sides which lock into the door frame for greater strength and resistance to racking. HDD doors include a 30 1/2″ wide by 40 1/2″ high vision lite. The lower half of the door leaf includes an insert that matches the specified modular wall construction. These doors come standard with an adjustable door sweep and a full perimeter bulb gasket seal. Standard door leaf is 3068 but other door sizes are available.

Finish: Clear Satin Anodized with a lower panel insert that matches interior and exterior of wall surfaces.

A set of double doors with glass panes, crafted from heavy-duty aluminum, is set in a wall with a light gray color. A dim reflection of a person is visible in each glass pane.

HDD – Heavy Duty Aluminum Double Door

Heavy-duty tubular framework is mechanically fastened together to create a very durable, light weight, door leaf. The door frame is aluminum to match wall framing and installs flush with wall panels. Connecting posts are located on both sides which lock into the door frame for greater strength and resistance to racking. HDD doors include a 30 1/2″ wide by 40 1/2″ high vision lite in each leaf. The lower half of the door leaf includes an insert that matches the specified modular wall construction. Standard door leaf is 3068 to create a 6068 double door but other sizes are available. These doors come standard with an adjustable door sweep and a full perimeter bulb gasket seal.

Finish: Clear Satin Anodized with a lower panel insert that matches interior and exterior of wall surfaces.

A modern white steel door with a rectangular glass window set in a clean, white wall in a well-lit interior space. The floor is light gray.

Steel – Single Man Door

Heavy-duty construction includes 24 gauge galvanized steel skin with solid insulating core. The door frame is aluminum to match wall framing and installs flush with wall panels. Connecting posts are located on both sides which lock into the door frame for greater strength and resistance to racking. Standard steel doors are solid but can include optional vision lites. Standard door leaf is 3068 but other sizes are available.

Finish: Painted a single color to match or compliment wall color

A well-lit industrial workspace with a large blue partition wall featuring windows and yellow safety guards. There are steel double doors in the center, leading to another section of the facility.

Steel – Double Door

Heavy-duty construction includes 24 gauge galvanized steel skin with solid insulating core. The door frame is aluminum to match wall framing and installs flush with wall panels. Connecting posts are located on both sides which lock into the door frame for greater strength and resistance to racking. Standard steel doors are solid but can include optional vision lites. Standard door leaf is 3068 to create a 6068 double door. Other sizes are available. These doors come standard with an adjustable door sweep and a full perimeter bulb gasket seal. Doors can be outfitted with closers and other options like the pull handles shown in this photo.

Finish: Painted a single color to match or compliment wall color

Office room with a closed steel double door and two small windows. There is a computer desk with a monitor in the foreground. A bright environment with neutral colors.

Steel – Double Door with Operable and Removable Transom

Single man doors and double doors can be supplied with operable and removable transoms to allow an entire section of wall to be opened for movement of materials in and out of the modular structure. This particular door is 8′ wide x 7′ high. The operable transom is 8′ wide x 4′ high. When both doors are open and the horizontal astragal removed to create an 8′ wide x 12′ high opening. The door includes bolts for the top and bottom to secure the appropriate door leafs when not in use.

Finish: Painted a single color to match or compliment wall color

Gray and blue modular wall panels with glass sliding doors in an industrial setting, featuring overhead lighting.

Sliding Doors

This sliding door consists of two panels suspended from a heavy duty top track. The panels are moved manually to create a large opening for equipment to pass through. The panels are constructed of the same material as the wall panels but could be comprised of other materials depending on the individual application requirments. The doors are also available in single panel configurations and can be provided in a range of sizes.

A view into an industrial warehouse through a large yellow roll up door, showing machinery and equipment scattered across the interior.

Roll Up Doors

Roll up doors are a popular option and can be easily incorporated into our modular buildings. A typical application will include a structural steel tube framework to ensure the door is secured into the wall system to provide years of trouble free service. Roll up doors are available in a wide range of designs and can be operated manually or by electric power.

A large custom industrial sliding door with a blue metal frame and multiple glass panels, mounted in a light-colored wall inside a spacious room.

Custom Doors

We can also design a custom door for specific application requirements. This door is motorized and slides horizontally to create a large opening that enables material to be moved in and out of the building. The horizontal brace was included to prevent the door from racking while in operation.

Automated sliding glass doors in an office building, showing a glimpse of a brightly lit storage room with shelves and a traffic cone inside.

Automated Sliding Doors

Automated sliding doors can be easily incorporated into the design of our modular systems. Structural steel tube frames are custom designed to create a rigid support system to support the automated door. The vertical panel connectors adjacent to the door serve as wiring chases to conceal electrical service to the door and related hardware.

A clean and modern hallway with white walls and intermittent fixed windows offering a view into softly lit, opaque interior spaces.

Fixed Window

Heavy-duty extruded aluminum framework with unique design features that enable a positive lock into vertical connecting post. Easy to remove stops enable on-site replacement of glazing should damage occur. The design of our frames accommodate glazing thickness of 1/8″-5/8″. Standard glazing is tempered safety glass. Other custom glazing options are available.

A simple interior image showing a small, closed window with white frames in a plain light gray wall, viewed from the side, illustrating the concept of a sliding window algorithm.

Sliding Window

Heavy-duty extruded aluminum framework with unique design features that enable a positive lock into vertical connecting post Durable cam-locks are standard to enable locking from one side. Standard glazing is tempered safety glass. Other custom glazing options are available.

An image of a clean, modern interior featuring a glass-walled office with transparent glass panels and aluminum frames, set against the backdrop of a gray carpeted floor and industrial walls.

Full Glass

Over-height glazing can be added to provide better visibility or simply as an architectural feature. Standard glazing is tempered safety. Other custom glazing options are available.

Interior of an office with partition walls featuring top of panel glazing, fluorescent ceiling lights, a dark carpeted floor, and a visible entrance door in the distance.

Top of Panel Glazing

Windows can be placed at the top of the wall panel to allow light to pass through while maintaining privacy inside.

A corridor with numbered doors on the right side, featuring wooden walls and top panel glazing in a well-lit indoor space.

Top of Panel with Opaque Glazing

Windows can be placed at the top of the wall panel to allow light to pass through while maintaining privacy inside. Opaque glass can be added to further increase privacy or as an architectural feature.

An industrial office module with large fixed windows, housed inside a warehouse, adjacent to a yellow metal staircase leading up to a second level.

Fixed Window Tilted Out

Our windows can be designed to tilt out to reduce glare or to enhance visibility in areas directly below the structure. Standard glazing is tempered safety. Other custom glazing options are available.

A dimly lit office with multiple computer monitors on desks, some turned on, under fluorescent ceiling lights. A tilted window adds a unique element to the space, which appears empty with no visible people.

Fixed Window Tilted In

Our windows can be designed to tilt in to reduce glare or to enhance visibility in areas directly above the structure. Standard glazing is tempered safety. Other custom glazing options are available.

Close-up of a standard electric junction box installed on a conduit pipe against a beige wall.

Standard Electric

Standard electric consists of the electrical device (light switch, outlets or data jacks) shipped loose for installation on-site. Handy boxes are supplied along with coverplates. The devices can be easily installed into the standard post connection which doubles as a raceway. A full height, snap-on coverplate is included to conceal wiring and to enable easy access for future modification or maintenance. All electrical devices bear the UL label. Conduit and wiring is not included with standard electric.

A set of modular linear actuator components including a metal control box, two rails, cables, and mounting brackets displayed on a white background.

Modular Electric Kits

Simplify the installation by utilizing our optional modular electric devices. Outlets and light switches are supplied pre-installed inside wireway connecting posts, ready for on-site connections. Light fixtures also include pre-installed modular connections to enhance ease of installation. Load centers include pre-installed breakers to accommodate specified electric components. Load center also includes modular connections ready for on-site connection. Connection from main power source to the load center is to be completed by a certified electrician.

Versa-King Overheight Walls

Versa-King Overheight Walls

Versa-King Overheight wall systems are ideal for subdividing existing spaces that require walls taller than our traditional wall systems and partitions but shorter than those applications that require our Monolith or Versa-King tall wall options. Typical panel heights for this system are less than 16′ tall. We can incorporate an assortment of door and window options to create a wall system to meet your unique project requirements.

Exploded view of a Versa-King duct assembly, showing a rectangular main duct section with an attached smaller side section and an additional separate panel.

Versa-King 3″

A minimalist book standing upright with a plain beige cover and a visible white spine, isolated on a light background.

Painted Steel on Hardboard

This panel includes a finished surface smooth of painted steel laminated to a layer of hardboard and includes a UL Class 1 EPS foam insulating core. This is our most durable panel surface. The combination of 24 gauge steel laminated to an intermediary 1/8″ hardboard creates a highly impact resistant surface. This panel surface is ideal for harsh plant environments. 3″ thick panel thickness has a thermal insulating value of R 13.
Color Choices: White, Gray, Beige

Illustration of a three-dimensional folder icon with a magnifying glass focusing on the inner details of the folder's layered construction, emphasizing depth and organization.

Steel on Drywall

An illustration of a beige folder with documents, featuring a magnifying glass highlighting the details of the FRP files.

FRP on Drywall

Illustration of a layered white rectangular vinyl drywall object connected by a hinge at the corner, with a magnifying glass focusing on its layered structure.

Vinyl Covered Drywall

Illustration of a detailed cross-section of a wall structure magnified to show layers, including exterior cladding, insulation, and interior plaster with vinyl covered hardboard.

Vinyl Covered Hardboard

An office doorway, designed as a single man door of heavy duty aluminum, reveals a glimpse into a small room with gray walls, equipped with a chair, desk, computer, and a wall-mounted air

HDD – Heavy Duty Aluminum – Single Man Door

A set of double doors with glass panes, crafted from heavy-duty aluminum, is set in a wall with a light gray color. A dim reflection of a person is visible in each glass pane.

HDD – Heavy Duty Aluminum Double Door

A modern white steel door with a rectangular glass window set in a clean, white wall in a well-lit interior space. The floor is light gray.

Steel – Single Man Door

A well-lit industrial workspace with a large blue partition wall featuring windows and yellow safety guards. There are steel double doors in the center, leading to another section of the facility.

Steel – Double Door

Gray and blue modular wall panels with glass sliding doors in an industrial setting, featuring overhead lighting.

Sliding Doors

A view into an industrial warehouse through a large yellow roll up door, showing machinery and equipment scattered across the interior.

Roll Up Doors

A large custom industrial sliding door with a blue metal frame and multiple glass panels, mounted in a light-colored wall inside a spacious room.

Custom Doors

Automated sliding glass doors in an office building, showing a glimpse of a brightly lit storage room with shelves and a traffic cone inside.

Automated Sliding Doors

A clean and modern hallway with white walls and intermittent fixed windows offering a view into softly lit, opaque interior spaces.

Fixed Window

A simple interior image showing a small, closed window with white frames in a plain light gray wall, viewed from the side, illustrating the concept of a sliding window algorithm.

Sliding Window

An image of a clean, modern interior featuring a glass-walled office with transparent glass panels and aluminum frames, set against the backdrop of a gray carpeted floor and industrial walls.

Full Glass

Interior of an office with partition walls featuring top of panel glazing, fluorescent ceiling lights, a dark carpeted floor, and a visible entrance door in the distance.

Top of Panel Glazing

A corridor with numbered doors on the right side, featuring wooden walls and top panel glazing in a well-lit indoor space.

Top of Panel with Opaque Glazing

Close-up of a standard electric junction box installed on a conduit pipe against a beige wall.

Standard Electric

A set of modular linear actuator components including a metal control box, two rails, cables, and mounting brackets displayed on a white background.

Modular Electric Kits

Modular Walls

Versa-King Tall Walls

Our Versa-King Tall Walls are a durable, easy to install and flexible alternative to conventionally constructing demising walls inside manufacturing facilities, warehouses and other structures with very tall ceilings. We offer several Versa-King wall systems to address the broadest base of applications. Standard Versa-King connecting posts double as raceways for concealing electrical or data wiring.

Exploded view of a Versa-King duct assembly, showing a rectangular main duct section with an attached smaller side section and an additional separate panel.

Versa-King 3″

3d illustration of a cutaway view of a wall assembly showcasing layers of Versa-King HD insulation and a ventilated cavity. The design highlights modern construction techniques for energy efficiency.

Versa-King HD — 6

Our Versa-King HD 6 is the perfect solution for construction projects that include subdividing new or existing high ceiling areas inside a facility. This easy to install, affordable wall system offers many unique design features that set us apart from other modular wall systems:

  • A full 6″ thick wall panel offers outstanding R 24 insulating value, enhances climate control and reduces energy cost
  • Panel Heights to 32′
  • Painted steel finished panels are light weight and easy to maneuver
  • An all aluminum extrusion design is super strong yet light weight and will not rust or corrode regardless of application conditions
  • Unique non-progressive design allows individual panels to be removed or replaced from either side
  • Connecting post for wall panels also serve as a wiring chase and are located at each panel connection.
  • Chases include a full height snap on cover plate to enable concealment of electrical or data wiring of both sides of the wall
Monolith Wall Composition

Steel on Poly

This panel design consists of a finished surface of 24 guage painted steel laminated to a UL Class 1 EPS foam insulating core. The light weight yet durable design of this panel makes it ideal for overheight wall applications inside manufacturing and distribution facilities. The standard steel finish includes and embossed finish but a smooth surface is also available. Polyurethane core is also available to meet FM Class 1 fire rating.
Color Choices: White, Gray

An office doorway, designed as a single man door of heavy duty aluminum, reveals a glimpse into a small room with gray walls, equipped with a chair, desk, computer, and a wall-mounted air

HDD – Heavy Duty Aluminum – Single Man Door

A set of double doors with glass panes, crafted from heavy-duty aluminum, is set in a wall with a light gray color. A dim reflection of a person is visible in each glass pane.

HDD – Heavy Duty Aluminum Double Door

A modern white steel door with a rectangular glass window set in a clean, white wall in a well-lit interior space. The floor is light gray.

Steel – Single Man Door

A well-lit industrial workspace with a large blue partition wall featuring windows and yellow safety guards. There are steel double doors in the center, leading to another section of the facility.

Steel – Double Door

Office room with a closed steel double door and two small windows. There is a computer desk with a monitor in the foreground. A bright environment with neutral colors.

Steel – Double Door with Operable and Removable Transom

Gray and blue modular wall panels with glass sliding doors in an industrial setting, featuring overhead lighting.

Sliding Doors

A view into an industrial warehouse through a large yellow roll up door, showing machinery and equipment scattered across the interior.

Roll Up Doors

A large custom industrial sliding door with a blue metal frame and multiple glass panels, mounted in a light-colored wall inside a spacious room.

Custom Doors

Automated sliding glass doors in an office building, showing a glimpse of a brightly lit storage room with shelves and a traffic cone inside.

Automated Sliding Doors

A clean and modern hallway with white walls and intermittent fixed windows offering a view into softly lit, opaque interior spaces.

Fixed Window

A simple interior image showing a small, closed window with white frames in a plain light gray wall, viewed from the side, illustrating the concept of a sliding window algorithm.

Sliding Window

An image of a clean, modern interior featuring a glass-walled office with transparent glass panels and aluminum frames, set against the backdrop of a gray carpeted floor and industrial walls.

Full Glass

Interior of an office with partition walls featuring top of panel glazing, fluorescent ceiling lights, a dark carpeted floor, and a visible entrance door in the distance.

Top of Panel Glazing

A corridor with numbered doors on the right side, featuring wooden walls and top panel glazing in a well-lit indoor space.

Top of Panel with Opaque Glazing

Close-up of a standard electric junction box installed on a conduit pipe against a beige wall.

Standard Electric

A set of modular linear actuator components including a metal control box, two rails, cables, and mounting brackets displayed on a white background.

Modular Electric Kits

Monolith

Monolith

Our Monolith systems are ideal for subdividing space inside your existing facility. The tongue and groove side connection installs easily to create a seamless wall system with a monolithic appearance. The painted steel interior and exterior sufaces are are very durable and perfectly suited for a wide range of applications.

A 3D rendering of a closed, blank white book with a hard cover made of expanded polystyrene, presented on a white background, emphasizing a minimalist design.

Monolith EPS

Includes a solid expanded polystyrene core (UL Class 1 in accordance with ASTM E-84)

Utilizes a tongue and groove side connection which eliminates the need for a framing system and creates a smooth and monolithic appearance. Includes a white painted steel interior and exterior surface.

  • Single piece design enables rapid assembly
  • Light weight yet structurally strong design and easy to maneuver
  • Available in a range of panel thicknesses to address a broad range of project applications
  • Excellent insulation values improve energy conservation and lower utility costs
  • Panels heights to 40′
A modern white monolith cabinet with vertical grooves and a pale yellow top, featuring a sleek, simple handle on double doors.

Monolith Urethane

Includes a foamed in place polyurethane core (UL Class 1 in accordance to UL 4880).

Utilizes a tongue and groove side connection which eliminates the need for a framing system and creates a smooth and monolithic appearance. Includes a white painted steel interior and exterior surface.

  • Single piece design enables rapid assembly
  • Light weight yet structurally strong design and easy to maneuver
  • Available in a range of panel thicknesses to address a broad range of project applications
  • Excellent insulation values improve energy conservation and lower utility costs
  • Panels heights to 40′
Monolith Wall Composition

Monolith

This panel design consists of a finished surface of 24 gauge painted steel laminated to a UL Class 1 EPS foam insulating core. The light weight yet durable design of this panel makes it ideal for overheight wall applications inside manufacturing and distribution facilities. The standard steel finish includes and embossed finish but a smooth surface is also available. Polyurethane core is also available to meet FM Class 1 fire rating.

Color Choices: Gray, White

A modern white steel door with a rectangular glass window set in a clean, white wall in a well-lit interior space. The floor is light gray.

Steel – Single Man Door

A well-lit industrial workspace with a large blue partition wall featuring windows and yellow safety guards. There are steel double doors in the center, leading to another section of the facility.

Steel – Double Door

A view into an industrial warehouse through a large yellow roll up door, showing machinery and equipment scattered across the interior.

Roll Up Doors

Automated sliding glass doors in an office building, showing a glimpse of a brightly lit storage room with shelves and a traffic cone inside.

Automated Sliding Doors

Close-up of a standard electric junction box installed on a conduit pipe against a beige wall.

Standard Electric

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4133 Shoreline Drive
Earth City, Missouri 63045

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