Polycarbonate Roof Domes

Polycarbonate Roof Domes with a galaxy rooflight. Increase thermal performance, fire safety and daylight quality with a new dome. Using the existing upstand on site, these retrofit rooflights can be installed onto a 100mm width timber frame or upstand. A minimum of 50mm is required.

Replacemet roof lights are manufactured from 3mm impact resistant polycarbonate glazing with triple layer u-value of 1.7 W/m²K.

Available as clear of diffused.


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    • 3mm Polycarbonate Glazing
    • Double or triple layer
    • Clear or Opal Diffused
    • Easy to install
    • Suits a variety of upstands (Min 50mm fixing)
    • U Value 1.7 W/m²K based on triple layer
    • Class B Non-Fragile ACR(M)001:2005

    Standard Sizes

    600 x 600 £121.38
    600 x 900 £173.57
    600 x 1200 £216.51
    750 x 750 £152.20
    750 x 900 £191.31
    900 x 900 £184.07
    900 x 1200 £243.23
    1200 x 1200 £291.80
    1200 x 1800 £462.95
    1050 x 1050 £223.86
    1050 x 1500 £351.12
    Buy Online at Addlite

    UK Buy Online Only Price – Exclusive to Addlite.co.uk.

    Bespoke Sizes

    We manufacture a range of stock based on triple layer rooflights in a selected number of sizes. Available for Immediate despatch. Free delivery included only available on Addlite.co.uk.

    Addlite is a brand name of Surespan Ltd.

    Alternatively, we offer over 30 different sizes available for back order in a wide variety of options. Please expect 6-10 Weeks Delivery for bespoke options.

    Replace Old Rooflights

    Bring a fresh new look to your tired and old rooflights with a galaxy replacement kit. These kits provide everything you need to repalce old and damaged rooflights on site without the need to replace roofing material or insulation. The lid fits on top of the existing upstand providing there is a minimum 50mm frame to fit too. Replacement roof lights are supplied undrilled in order to suit the positionings and fixings required on existing kerb.

    These replacement roof lights can increase the light below, improve insulation and thermal properties and featrue the latest design and materials including 3mm impact resistance polycarbonate layers.


    Leamore Close
    Leamore Enterprise Park
    Walsall, WS2 7NL
    West Midlands, UK
    +44 (0)1922 711185
    +44 (0)1922 497943 (Fax)

    Easy Installation

    ADD.RFK hatches are designed to fit onto an existing upstand to ensure a low profile installation. Rooflights are supplied undrilled, in order to facilitate on site, positionings of the fixings to suit your kerb. Kits come with caps, screws and a weather strip which is used to ensure a weather tight seal between existing upstand and rooflight. The anti-burglar cover and cover caps ensure a safe and secure finish.

    Glazing Options


    Double Layers

    Provides U-value of 2.7 W/m2K for unheated buildings and garages. Clear or Opal.


    Triple Layers

    Provides a U-value of 1.8 W/m2K for heated buildings and halls. Clear or Opal.

    Quad Layers

    Quad Layers

    Provides a U-value of 1.5 W/m2K for offices and residential buildings. Clear or Opal.


    Thermally Insulated

    Provides a U-value of 1.0 or 0.83 W/m2K depending on lighting requirements. Clear or Opal.

    Opaque thermal

    Opaque Thermal

    Limits light transmission to provide U-value of 0.61 W/m2K. Clear or Opal.



    Reflects infrared light and heat radiation. Clear or Opal.



    Rooflight Blinds

    Remove glare from sunlight and minimises heat input. The fabric is white (RAL 9016) and comes in transparent or opaque finish.


    Blackout Blind

    Provides complete black-out of light. The textile is a composite plastic, UV resistant and flame retardant. Fitted to a white aluminium frame


    Fall Protection

    Protects against falling through a rooflight. Grid made from galvanised sheet steel powder coated in any standard RAL Colour.


    Intruder Protection

    Protects against fall through or burglary access. Made of resistant mesh inserts in steel alloys. Fits Surespan and all other upstands.


    Attachment Point

    To connect ManSafe personal fall through protection equipment. Suitable for all sizes above 1000mm x 1000mm.


    Membrane Connection

    Factory cut aluminium profiles designed to fi perfectly under the rain apron for enhanced security and a long life.