Why Specify the Conservation Rooflight?
Traditional appearance and approval by Planning Authorities
- Faithful reproduction of Victorian cast iron rooflight
- Ultra-low profile, fine lines of steel, and genuine glazing bar
- Complies with planning requirements for listed buildings and conservation areas
- Size for any application and a specials design service
- Favoured by the National Trust and English Heritage
- Silicone fronting replicating traditional putty
- Stepped glazing detail to give appareance of single glazing
- the Rooflight Company offers the widest range of sizes available with17 top-hinged and 2 side-hinged sizes

Projects include:
- The Natural History Museum, London
- Kensington Palace, London
- The National Library for Scotland
- Pendennis Castle, Cornwall (English Heritage)
- Thousands of Listed buildings and dwellings
High standards of performance
- Standard double glazed unit exceeds current building regulation requirements on Part L
- High performance thermal lining (the patented Thermoliner®) drains away any condensation that can form
- Exceeds weather tightness test BS6375: Part 1:1989 up to Hurricane Force 12
- High degree of air tightness
- Passive ventilation conforms to current building regulations
Glazing specification
The standard glazing specification is 4mm "K" toughened inner, 4mm toughened outer and 16mm argon-filled gap manufactured.
This provides an average installed U Value of 1.35W/m2 K. If a further improved U Value is required, e.g. 1.1W/m2 K, this is readily available in addition to 11 specifications including Georgian Wire Cast and Pilkington ActivTM self-cleaning glass.
Long life, low maintenance
- Robust 3 mm steel design with protective layer and polyester powder coating
- Guarantee on rooflight frame of 12 years subject to location and adherence to maintenance guidelines
- Can be cleaned from the inside with aid of cleaning tool
Versatile and easy to install
- Suitable for any roof construction
- 19 sizes and Specials available, there is a solution for every application
- No special measures required to obtain flushness in the roof
- Full technical help and support available
If you are choosing rooflights for a property in an industrial or maritime area, or an area which is subject to a potentially corrosive or polluted environment, call our Customer Services team and ask about the different material specifications we offer to suit your specific needs.
"Conservation continues to have a high profile in the building profession and the Rooflight Company's commitment to excellence in this field is well-recognised."
Jack Pringle, Past President of the RIBA
