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Internal Partitions & Walls

GypWall Twin Frame Independent

An unbraced twin-frame system for separating walls where greater levels of acoustic insulation are needed.
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GypWall Twin Frame Independent is a lightweight, non-loadbearing high performance wall which ensures optimal acoustic isolation. It’s an ideal enhanced specification for buildings that target high standards of health and wellbeing.

Designed for use as a high performing separating wall system in multi-occupancy residential developments, the unbraced twin-frame system is an approved Robust Detail specification. This means that it can be used without the need for pre-completion testing to demonstrate compliance with Approved Document E.

Key facts

  • GypWall Twin Frame Independent is a versatile separating wall system that offers high acoustic performance along with Robust Detail approval.
  • GypWall Twin Frame Independent systems give your building the protection of our SpecSure lifetime warranty.
  • Partition fire performance up to 120 minutes.
  • Up to 120 minutes fire protection of structural steel enclosed in the cavity.
  • Acoustic performance from 66-70 Rw dB.
  • Flexible accommodation of structural columns within the partition.
  • High resistance to impact noise transference between adjacent rooms due to unbraced construction.
  • Severe Duty rating.
  • Selected specifications certified as approved within the Secured By Design scheme as part of the Police crime prevention initiative.
  • Approved Robust Detail specification (E-WS-2) removes need for Pre-Completion testing for compliance to Approved Document E.


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2 datasheets related with the product
2 datasheets related with the product
CAD details (PDF)
1 datasheet related with the product
1 datasheet related with the product
White Book
3 datasheets related with the product
3 datasheets related with the product
White Book - System design principles
CAD details (.dwg)
6 datasheets related with the product
6 datasheets related with the product
ST-126-Z2L2-04 door opening heavy severe.dwg
British Gypsum UK


A unique warranty that confirms British Gypsum proprietary systems will perform as specified for the lifetime of the building.