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Twin 75mm Specwall Fire Partition, Robust, High Impact Wall, Panel System SP75-SS-002 - Lightweight Twin Concrete Panel


Specwall 75mm twin wall is a versatile advanced wall system with inherent insulation, acoustic (including for airborne sound) and fire ratings, and allows for the direct finishing including tiles and paint. It is water permeable and doesn’t break down when submerged in water, making it suitable for pre-build, Cat A and Cat B installs. Our system can be used for shaftwalls, impact walls, lift walls, as a replacement for block walls and much more. 

Specwall 75mm twin wall is composed of 2x 75mm panels with 10mm gap in between (bespoke options are available). MEP design can accommodate service openings which can be formed off-site or on-site depending on the client preference.

All joints are PU adhesive bonded and filled with grout. Taping and jointing can be requested by the client. The wall can have finishes applied directly, including tiles, skim and paint. Additionally, timber pattressing is not required with our system as pattresses can be cut straight into the panels.


  1. A2 fire rated fire partition walls
  2. Reduced labour - Time and motion case studies show Specwall can reduce labour hours needed for installation by more than 55%.
  3. Reduced costs - Specwall can save on overall costs through programme savings, reducing waste, resisting damage and more.
  4. Water permeable - Specwall is not affected or damaged by water or mould and can be installed before the building is water tight. Does not promote mould growth.
  5. Sustainable - Manufactured all-in-one product means Specwall achieves minimal wastage, and all of which can be recycled. Specwall panels are demountable and can be reconfigured at any point through a simple process as per design.
  6. More efficient - Streamline your project management process by reducing wall types and requiring fewer trades on site.
  7. Robust construction
  8. Quick installation
  9. Easy to install, lower skillset is required
  10. Walls constructed in one visit



Cement, Smooth
Concrete, Cement, Fibre cement, Composite
Bespoke Maximum: 5000 mm
160 mm Two 75 mm-thick panels with a standard 10 mm gap in between
Bespoke Maximum (unsupported): 5000 mm Maximum panel length: 3000 mm


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