Splayed Bay Window Roof

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The object content is configured for use in UK, but it may also be suitable for use in other locations.


The Stormking prefabricated GRP bay window roof consist of a preformed structural timber-frames, with internal timber supports, fully bonded to GRP ceilings, fascias and soffits and incorporate either 110 mm PUR spray foam or 200 mm mineral wool quilt thermal insulation, laid over a vapour control layer (VCL).

Pitched roofs incorporate an outer moulded fire-retardant GRP shell, or are unfinished, for conventional roof tiling over battens carried out on site. Flat roofs incorporate an outer moulded GRP shell manufactured using fire retardant resins.


Features and benefits:


  • Available in three styles: flat roof lead-effect GRP, incorporating a slight fall towards the outer edge to allow rainwater run-off, pitched roof lead-effect or tile-effect GRP available with falls between 30°–70°) and pitched roof with timber-frame only (available with falls between 30°–70°).
  • The units are built around timber framework and, where specified, a preformed GRP outer moulded shell is added and trimmed prior to finishing.
  • BBA certified and independently assessed to UKAS standards.
  • Modern GRP technology for perfect recreation of natural materials.
  • Tight tolerances to your design specification.
  • Greater design flexibility that is repeatable in volume.
  • Hand-checked quality control by full-time quality managers.
  • Dry fit, requiring no specialist trades for installation.
  • Ideal for high strength to weight requirements.
Platform Compatible Version Certified to
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