Sun Tunnel Sun Pipe

Addlite Sun tunnels are designed to bring natural daylight into areas that might not benefit from windows.

Sun Pipes collect daylight from domes placed on top of the roof and reflects it down a highly reflective super silver finished aluminium tube through a diffuser located at ceiling level which distributes the light evenly within the room.

Addlite sun tunels producing a brightly lit space below educing potential energy costs and improving the health and well-being of individuals.


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    • Sustained 98% Reflectance
    • Super Silver Mirror finish aluminium tube
    • Double Glazed Ceiling Diffuser
    • Up to 14995 lumen output in full summer sun
    • Can light up an area up to 30m2
    • Reduce your energy usage and carbon footprint

    Standard Sizes

    Diameter Area Lit
    230 mm 7.5 m²
    300 mm 14 m²
    457 mm 22 m²
    530 mm 30 m²
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    Suitable for most types of roofs, from flat roof with asphalt finish to pitched slate and tiles roofs and sloped ceilings.

    Addlite Sun Tunnels are suited to almost any application, and have been installed anywhere from residential bedrooms to schools and colleges.

    Key Elements


    High performance dome

    High impact acrylic diamond dome. The uniquely designed shape enables the Sun pipe to collect daylight from different angles throughout the day maximizing performance. The material provides a self cleanign surface reducing maintenance requirements


    Super Reflectivity

    Aluminium PVD coated sunpipes. BRE independent test has proven that this Sun tube maintains its reflectance value over 5 years compared with competitors which use a plastic laminate film.


    Beautifully Diffused

    Our diffuers distribute light evenly throughout the room eliminating bright spots and proviindg a naturally lit space. Stylish diffusers are available to further customise and personalise your desired look.


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

    Sun Pipe System

    Sun Pipe System Diagram

    1. Diamond Dome Acrylic

    Maximise the penetration of natural daylight with a 4mm thick high impact resistant acrylic dome designed to capture daylight from morning to early evening sun.

    2. Flashing Plate

    Varies with sun tunnel type however acts as flashing plate for roof installation and is designed to suit a variety of tile and roof finishes.

    3. 610mm Extension Pipe

    0.5mm Thick anodised aluminium pipe with a Miro silver 27/427OAG finish which maximises light reflections and minimises limit diffusion. Crimped edges allow easy installation to the dome and additional tunnels eliminating light leakage from potential gaps formed.

    4. Adjustable Elbow Angle

    The adjustable elbow is coated in the same Miro silver as the extension pipe however allows the sun tunnel to achieve different routes and angles while limiting the light loss from the elbow angle.

    5. 250mm Extension

    The 610mm plain end pipe is manufactured from 0.5 mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion.

    6. Plywood backing plate/template

    uAllows installer to ‘mark out’ the opening at ceiling level and to provide additional structural fixing for the diffuser.

    7. 250mm Extension Tube

    The 250mm ceiling extension is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. This provides a permanent joint between the diffuser and plain end pipe.

    8. 3 Piece Ceiling Diffuser

    The double glazed microprism diffuser is designed to offer excellent thermal performance whilst ensuring maximum spread of natural daylight within the space and an even light distribution. The trim is supplied in white as standard. 230mm Sunlumes are provided with a 3-piece polycarbonate diffuser.

    9. Fitting & Installation Kit

    The installation pack contains silicone sealant, screws, sealed rivets, neoprene washers, brushed nylon condensation seal, aluminium tape and universal installation instructions.