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A non-loadbearing, Gypframe metal stud internal wall system for use in housing. The versatile system incorporates Gyproc SoundBloc RAPID linings, offering solutions that comply with Building Regulations, Approved Document E.

The timber free system is quick to build, and provides pre-finished service cut-outs.

There are two build options:

  • 450 mm stud framing without noggins.
  • 900 mm stud framing with horizontal noggins.

Single layer boarding can be fixed to framing at 400 mm centres, with a reduction to 200 mm centres at external angles.


  • Airborne sound insulation, Rw: 40 dB; up to 46 dB with insulation.
  • Strength and robustness: Satisfies BS 5234 requirements up to Medium Duty.
  • Fire resistance: 30 minutes.

General information
Specification data - Gypsum board partition systems
Product Reference

GypWall RAPID dB Plus

Studs -

43 mm Gypframe 43 AS 50 AcouStuds with GWR2 horizontal noggins

70 mm Gypframe 70 AS 50 AcouStuds


450 mm

900 mm

Requires horizontal noggins.

Head condition -

Gypframe GWR3 channel fixed to ___

Insert e.g. 'underside of ceiling joists'.

Deflection Allowance




25 mm Isover APR 1200


1 x 15 mm Gyproc SoundBloc Rapid to each side – tapered edge

1 x 15 mm Gyproc SoundBloc Rapid MR to each side – tapered edge

1 x 15 mm Gyproc SoundBloc Rapid to one side and 1 x 15 mm Gyproc SoundBloc Rapid MR to other side – tapered edge

Finishing -

Taped seamless finish

Skim coat plaster finish

Not suitable for use with Gyproc Board Moisture Resistant Grade.

To receive ceramic tiles

Primer/ Sealer

One coat of Gyproc Drywall Prime

Two coats of Gyproc Drywall Sealer

For use where vapour control is a consideration.



Rigid beads/ stops

Other requirements


Access panels

Product Options


Isover APR 1200 offers improved acoustic performance.