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Winhoff — Trusted Fenestration

03/03 Windows & Doors

Heavy-duty pivot & double-action door system

GC74 is built for entrances that make an impression: oversized pivot and double-action doors with large sash dimensions, thick infill capacity and a motorized option.

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Pivot door sash weight
Double-action door sash weight
Maximum sash width
Maximum sash height
GC74 application image
GC74 profile render

GC74 profileSheet 6

(01)Features

What it does well.

01

Oversized pivot doors

Pivot sashes up to 500 kg rotate on a pivot axis, allowing very wide and tall door leaves.

02

Double-action doors

Doors that swing both ways, with sashes up to 350 kg.

03

Large formats

Sash width up to 2500 mm and height up to 4200 mm, subject to project and configuration review.

04

Thick infill & motorized option

Glass or panel infill up to 52 mm. A motorized option is described for both door types; control interface is not specified.

Documented options

  • Pivot door
  • Double-action door
  • Glass infill
  • Panel infill
  • Motorized option

Interactive model

How a pivot door moves.

Play the illustration or tap a step.

Plan view — pivot axis offset from the jambPivot point

Operation illustration — explains the concept; not an engineering simulation.

(03)Technical details

By the catalogue.

Only values printed in the supplied 2026 catalogue (PDF sheet 6). Thermal values are pending confirmation and are not shown.

GC74 specifications
Pivot door sash weightUp to 500 kg per sash
Double-action door sash weightUp to 350 kg per sash
Maximum sash widthUp to 2500 mmSubject to project/configuration review
Maximum sash heightUp to 4200 mmSubject to project/configuration review
Infill thicknessGlass or panel up to 52 mm
Motorized optionDescribed for pivot and double-action

Sections & configurations · 1

GC74 sectionCatalogue PDF sheet 6 · source raster 518 × 274 px — fine labels may be limited by source resolution.

(05)Resources

Take it with you.

(06)Related systems

(✦) — Discuss your project

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