industrial sliding door sizes

An industrial sliding door is sized by its opening, not by a catalogue number. Before you ask for a quote, it helps to know which variables decide the width and height — and how an aluminium system series maps to your wall.

Why “industrial sliding door sizes” has no single answer

Sliding doors move parallel to a wall instead of swinging, so the clear opening depends on how many leaves you use and how much side or headroom you have. A personnel passage, a forklift lane and a cold-room divider each land on a different size. The honest way to size one is to start from the opening and work back to the leaf configuration.

Single-leaf vs bi-parting: the two core layouts

Most common sliding door sizes fall into two layouts. A single leaf slides to one side and needs wall space equal to its width — typical architectural single-leaf aluminium sliders run about 1.2–3.0 m wide by 2.0–3.5 m tall. A bi-parting (double) door meets in the centre and slides apart, which suits wider passages: combined widths of 3.0–6.0 m or more, with each leaf roughly 0.6–1.5 m. For vehicle or forklift traffic you usually want the wider bi-parting clearances.

The variables that actually set the number

• Traffic type — personnel, cart, forklift or vehicle passage each demand a different clear width.
• Headroom and side room — top-hung tracks save floor space; floor tracks suit low headroom but need a clean channel.
• Panel weight and hardware load — insulated glazing is heavy; the sash weight must stay under the roller and lock rating.
• Glazing and climate — exterior industrial openings add wind load and thermal demands that shape the frame.

ALPES aluminium sliding door series — a real size map

Every ALPES series below uses 6060-T66 aluminium with PA66GF25 multi-chamber thermal break and German-spec hardware (ROTO, Winkhaus, CMECH, Wehag). The max single-sash figures are per-model engineering specs — use them as the starting point for your opening.

Reading the size map for your opening

Take your rough dimension of sliding door and match it to a series. A 2.8 m wide × 2.6 m tall villa sliding wall fits the SL155 four-track with its 400 kg 20-wheel carriage. A taller 2.5 m × 3.0 m glazed run favours the SL126/182 lift-slide. When the sash is heavy with insulated glass, the SL112/167 heavy-duty 220 kg drive rating is the safer baseline.

Where ALPES fits — and what to confirm

ALPES architectural aluminium sliding systems cover residential and commercial openings up to about 2.8 m wide × 3.0 m tall per sash, on heavy-duty 400 kg hardware. Oversized factory, cold-room or steel-panel doors that exceed these spans are a different product class. Rather than assume an off-the-shelf size, send ALPES your opening drawings and confirm a custom configuration — the listed maxima above are model specs, not a guarantee for every project.

A quick sizing checklist for your RFQ

• Opening width × height (clear structural opening).
• Leaf layout — single, bi-parting, or multi-stack.
• Traffic — personnel, cart, or vehicle, and the clear width it needs.
• Glazing — insulated glass thickness and any tint or coating.
• Climate — wind load, rain, and temperature swing for exterior use.
• Hardware expectation — lock points, roller load, and automation.

Bottom line

An industrial sliding door size is a project answer, not a shelf number. Use the ALPES series map as your starting point, then confirm the exact sash and span with ALPES engineering before you order.