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Multivault SSR

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  • Delivers high levels of diffused natural daylight with an aesthetic comparable to standing seam roofing
  • Specifically designed for integration with standing seam systems
  • Modular units for unlimited run length
  • Designed for triple skin rooflights to be simply created by installing single skin Multivault SSR over in-plane liner and Cleartherm intermediate sheet
  • Will achieve Class B Non-fragility to ACR[M]001 when fully installed (in combination with GRP liner), giving high level of safety during roof access
  • Thermally efficient with no thermal bridging, contributing to Part L compliance
  • Maintains the principle of no through fixings with no roof penetrations when correctly fitted to standing seam roofing
  • Life expectancy of 20 years with minimal maintenance requirement


  • Units supplied as either Down Slope, Continuation, Up Slope or Crown Units for any combination of run type
  • Modular 1000mm continuation units with separate 250mm end closure units
  • Triple skin assembly will achieve a U value of 1.3 W/m²K
  • Units specifically designed to fit onto the standard verge closure / kerb detail supplied by the standing seam supplier
Glazing Single skin barrel vault outer over Cleartherm and GRP liner
Span width (mm) 1200 (standing seam opening)
Module length (mm) 1000 (shorter modules available for specific lengths)
Overall weight (kg/m2) 5.4
Light transmission
(Triple skin)
U value (W/m2K)
(Triple skin)

Smoothly curving polycarbonate modular vault rooflight designed for use on standing seam roofs.

  • Polycarbonate vault rooflights should not come into contact with any plastisol coated steel.
  • For full handling guidance refer to technical bulletin TB141
  • Vaulted rooflights to be secured to kerb integrated with the standing seam system
  • Vaulted rooflights should always be handled by two people. If vaults are to be mechanically handled they must be secured on pallets and deposited at safe positions on the roof. Great care must be taken with all vaults in windy conditions
  • Installation should be strictly in accordance with standard installation details
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