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Mayplas Insulated Wall Board is designed for use as a composite acoustic and thermal insulation/ plasterboard dry lining panel. It is suitable for new and refurbished buildings. It consists of a rock fibre crimped slab laminated to gypsum plasterboard with integral 15 mm acoustic fitting strip to help minimize acoustic flanking transmission at the floor/ wall junction.


  • Easy to cut and install.
  • One operation – saves time.
  • Ready for plastering/ decorating.
  • Composite dry lining panel.

General information


Pr_25_71_35_84 Standard gypsum plasterboardsPrimary


K10/415 Gypsum plasterboard

Product range

Acoustic Insulation

Specification data - Standard gypsum plasterboards

Product Reference

712 Insulated Wall Board


20 mm

30 mm

40 mm

50 mm

Standard product features

Plasterboard thickness:

12.5 mm.

Panel size:

2415 x 1200 mm.

Product Options


- Crimped rock fibre:

  • High density compression resistant rock fibre slab.
  • Thermal conductivity: 0.036 W/mK.
  • Fire rating: Non-combustible to BS 476-4.

- Plasterboard:

  • Tapered edge type with metallised polyester backing to provide a vapour check.
  • Fire rating: Standard plasterboard is designated Class 0 to the Building Regulations (E&W) 1991 and also meets BS EN 476-6 and BS EN 476-7 (Class 1 Surface Spread of Flame).
  • Thermal conductivity: 0.16 W/mK.