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  • Large glazed areas with maximum daylight can be achieved with spans up to 7m and glazing bar centres up to 1070mm
  • Premium internal and external appearance ensured with Marvault's elegant framework, discreet fixings, and choice of powder coating to any RAL colour
  • Optimal architectural, performance and cost requirements delivered with options for solid or multiwall glazing and adjustable height rise
  • Powered opening ventilation panels create a comfortable ventilated internal environment
  •  Safety of those on the roof assured with the product achieving class B non-fragility to ACR[M]001
  • 10 year guarantee and 20 year service life


  • The system offers a span of 1m-7m as standard
  • Rooflights of unrestricted lengths can be created
  • Easy to install by any competent roofing contractor
  • Innovative aluminium glazing bar invisibly fixed at the base
  • Standard glazing U-value of 1.9 W/m2K, other options available
  • Glazed with Marlon ST longlife and Marlon FSX, multiwall and solid polycarbonate sheet
  • Offers exceptional impact resistance and surface protection
  • Various powered opening configurations available

Available in a range of curvatures to allow architects and designers the freedom to harmonise each Marvault with their surroundings (depending on glazing type and span)

Marvault is simply fixed to a flat-top, pre-weathered upstand

Marvault Alt 2 Resized
  • Span: 1-7m as standard depending on glazing type
  • Transverse pitch: Limit dependent on rise
  • Longitudinal pitch: Up to 15o
  • Marvault rooflights can meet or exceed the requirements of Building Regulations Part-L
  • Achieve class B non-fragility when tested to ACR[M]001.
  • Weather tightness tested to BS EN 14963
  • Fire performance to EN 13501-1 B,s1-d0 and BS 476: Part 7 Class 1Y
  • CE marked to BS EN 14963 and a declaration of performance is available.
  • Please contact Brett Martin for further guidance, including technical bulletins on installation, handling and maintenance, COSHH data sheets and NBS product specification clauses.
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