FPS50 Slimline Tube Steel

Sleek black slimline tube steel doors open to a light-filled space, featuring frosted glass panels and a modern chandelier above.

Precision Cold Formed Slimline Tube Steel Profiles

Engineered with precision and versatility in mind, the FPS50 Slimline Tube Steel Profile delivers a sleek, modern aesthetic with outstanding structural integrity. Its cold-formed tubular steel design offers exceptional strength while maintaining ultra-slim sightlines, perfect for projects demanding both elegance and durability.

Designed to balance form and function, the FPS50 seamlessly integrates into contemporary architecture—offering flexibility in design, superior craftsmanship, and enduring performance for residential and commercial spaces alike.

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Refined Design. Exceptional Performance.

Precision-engineered cold-formed steel profiles designed for refined architectural applications.
1.8mm steel wall construction with injected foam infill.
Compact profile dimensions delivering minimal sightlines and reduced frame depth.
Accommodates Low-E double glazing up to 37mm thick.
Selection of glazing bead profiles to complement different architectural styles.
Zinc-magnesium pre-coated steel for enhanced corrosion resistance and durability.
Suitable for internal and external door systems, as well as fixed steel windows.
An economical alternative to traditional solid steel framing systems.

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Cross-section of a slimline tube steel window frame in dark finish, featuring a single pane of glass and sleek, modern design lines.

FPS50 Inside View

Detailed black slimline steel frame with a large glass panel, showcasing a modern design suitable for architectural applications.

FPS50 Outside View

MAXIMUM SIZES	FPS50 Tube Steel
DOOR / WINDOW TYPE	HEIGHT (mm)	WIDTH (mm)
*Fixed Window	*5500	*5500
Awning Window	NA	NA
Casement Window	NA	NA
Hinge Door	3600	1200
Internal Cavity/Barn Sliding Door	3600	1800
Pivot Doors	3600	1800
External Lift & Slide Sliding Door	NA	NA
Bifold Door	NA	NA

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*Larger Fixed Windows will generally be separated into multiple sections and may need to be glazed on site depending on the overall size. Details will always be confirmed on our CAD shop drawings.
Awning Windows are recommended for windows smaller than 1.2 sqm
Single Glazed Door Weight: 20kg-30kg per sqm depending on design
Double Glazed Door Weight: 40-50kg per sqm depending on design

Sleek illustration of FPS50 slimline tube steel design, showcasing its clean lines and modern aesthetic for architectural applications.

Technical drawing of FPS50 Slimline Tube Steel, showcasing precise measurements and details for architectural design in steel doors and windows.

Elegant internal space featuring two black steel frame sliding doors with frosted glass, leading to a bright outdoor view. Light wood flooring.

Black steel-framed glass doors slightly ajar, revealing a light-coloured wooden floor and a textured grey stone surface.

Glass pivot door with a sleek black frame, open to a light-filled room with sheer curtains and a modern sofa in grey tones.

Elegant steel-framed doors open into a sunlit hallway, featuring light wooden flooring and a modern green sofa, enhancing spaciousness.

Architectural drawings of FPS50 Slimline Tube Steel doors, featuring curved tops and multiple vertical and horizontal sections outlined in white on a black background.

Explore detailed cross-sections and dimensions of our FPS50 Slimline Series. Each drawing highlights precision engineering and the refined structure behind every Zen steel door and window.

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Arch-shaped steel door with a central vertical handle, featuring a sleek, minimalist design in a dark finish against a light background.

Bespoke arched steel door with a sleek black frame, featuring large glass panels and a modern handle, partially open.

1Lite Arch

Modern rectangular steel door with a minimalist design, featuring a dark frame and a central handle against a grey panel.

Bespoke black steel double door partially open, featuring large glass panels and simple handles, showcasing modern design.

1Lite Square

Arched black steel window with a central crossbar, featuring clear glass panes, emphasising minimalist elegance and craftsmanship.

Arched black steel door with a glass panel, featuring a sleek design and open wing, showcasing modern architectural elegance.

2Lite Arch

Black steel-framed window featuring an arched design with a central vertical bar, showcasing a minimalist aesthetic and ample glass area.

Bespoke steel door design featuring a large arch frame with a partially open door, showcasing sleek lines and a minimalist aesthetic.

3Lite Arch

A sleek black steel-framed door featuring three square glass panels arranged vertically, with two central handles.

Bespoke black steel door with three vertical glass panels, partially open, illustrating modern design and craftsmanship.

3Lite Square

Arched steel-framed window featuring a four-lite design and a central handle, with a textured grey background.

Arch-shaped black steel door with glass panels, featuring a side panel design and sleek handles, showcasing a modern aesthetic.

4Lite Arch

Bespoke black steel-framed window with four panels, featuring a central handle and a sleek, minimalist design.

Bespoke steel door design featuring a black frame with four square glass panels, illustrating a modern open layout.

4Lite Square

Arched steel door with five rectangular glass panes, framed in dark steel, featuring sleek black handles.

Arched steel door in black frame with five glass panels, one door partially open, showcasing a modern design aesthetic.

5Lite Arch

Arched steel window featuring six panes, a central vertical divider, and a sleek handle, finished in a dark, elegant colour.

Arched steel door design with a minimalist layout, featuring a black frame and glass panels, partially open to showcase the entryway.

6Lite Arch

Explore our range of custom steel door designs, built for strength, security, and everyday performance. Each design is manufactured in-house with precise detailing, durable finishes, and solid construction, delivering reliable protection without compromising style.

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Our FPS50 Slimline Tube Steel Products

Built for precision and performance, the FPS50 Slimline Tube Steel range combines strength, light, and design versatility, delivering a timeless architectural statement for modern spaces.