Product Description

The MIDDAS M-WOC walk-on plank ceiling system provides a durable, high-performance walk-on ceiling capable of self-spanning up to 4 metres, with infinite spanning capabilities when hung from a building structure or secondary frame. Evolved from our M65 monobloc wall system, the M-WOC plank system can accommodate factory prepared services for lighting and HVAC and a range of access hatches are available to suit all requirements.

Key Features
  • Non-progressive build with provision of butt joints for rapid installation
  • Fully tested for strength and durability and rated at 2.5kN point load for occasional maintenance access (2 x workers plus tools)
  • Easy access for ceiling void for maintenance of lighting and HVAC
  • Optional flush integrated coving for hygienic and controlled environment applications
  • Wide range of plenum solutions available for controlled environments (including caps and side walls)

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Technical Details
  • Panel size 1000mm (W) x 3000mm (L) MAX
  • Ceiling depth of 61.5mm
  • Ceiling assembly comprised of paper honeycomb core bonded to steel panel skins for composite assembly
  • Self-supporting to 4000mm with concealed suspension hangers and perimeter wall-fixed angle supports
  • 4mm purpose gap for silicone sealant to support acoustic performance
  • Factory-formed apertures with a variety of hatch options for access to the ceiling void
  • 120µm PVC or 55µm PET panel coating for durable, hygienic finish to the ceiling surface



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Performance Ratings


2.5kN point load (2 men + tools at 1m x 3m)

12mm deflection at 2.5kN (to BS EN 1991-1-1:2002)


Class 0 for spread of flame (to BS 476 Parts 6 & 7)


29 dB Rw


2.0 W/m2K

Air Permeability

200Pa - 0.0m3/h.m2


We offer flush aluminium ceiling coving for cleanrooms and controlled environments. The coving has a hygienic coating which can withstand rigorous cleaning regimes.

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