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Custom Size Brett Martin Roof Lantern

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Product Code:
BMBL4P
Configure your bespoke size Brett Martin Roof Lantern today, with various customisation options. Get an instant price below and order today.
  • Delivered to site in approx* 3 weeks
  • Free delivery to the majority of Mainland UK
  • 10 year guarantee
Starting from

£1,069.91 Incl. VAT

    View standard sizes
    • Guaranteed secure & safe checkout.

      <p>Guaranteed <b>secure & safe</b> checkout.</p>
    Need guidance? Call 0208 7982 558
    How to measure Brett Martin Roof Lantern

    Measuring guide for fitting to builders upstand
    Measurements stated are the external upstand measurement
    Acceptable tolerance = rooflight size +20/-0mm Minimum upstand width: 85mm

    Upstand detail for Brett Martin Roof Lantern

    Pitch Requirements
    Brett Martin Roof Lantern rooflights are intended for installation onto a fully weathered and insulated builders upstand on flat and low pitch roofs. The surface of flat roofs normally require some degree of pitch to ensure adequate water runoff.

    For aesthetic reasons we recommend that the upstand is built with 0° pitch i.e. not parallel with the pitched roof surface. The rooflight can accommodate being installed on an upstand with a pitch of up to 5° but please note that this will likely result in a ‘lopsided’ appearance.

    Please do not hesitate to get in touch if you had any questions about installation requirements.

    Roof Lantern Specification - Data Sheet

    Please click here to view the full technical data sheet.


    Delivery is free to Mainland UK

    Good news! If you live within Mainland United Kingdom, delivery is completely free.

    Single-point Delivery

    The glass, lantern frame and installation components are all delivered at the same time.

    Please note that all Roof Lantern deliveries will be packaged onto a stillage for transportation purposes only. It is your responsibility to unload the Roof Lantern components from the stillage on-site. Once unloaded, the stillage will be taken by the delivery driver.

    If required, we can arrange for the Roof Lantern components to be packed onto a special single use stillage which can be left on-site. This does incur an extra cost and can only be arranged if you notify us prior to placing the order.

    Download PDF Guide

    Specification Sheet

    Download PDF Guide

    Installation Drawings

    Need some guidance?

    Call us on 0208 7982 558 or email contact@gladwellglass.co.uk

    Our friendly team is available Monday to Friday, 9:30am-4:30pm. We aim to respond to all emails within 1 working day.

    Why choose Gladwell Glass?

    We are the glass system specialists.

    We pride ourselves on sourcing industry-leading solutions and providing excellent customer service with an added personal touch.

    All purchases include an extended warranty. We are here to help with every step of the process, from purchasing and installation to aftercare years down the line.

    For the majority of our products, we offer fast and free delivery to the majority of Mainland UK.

    99.98% of deliveries arrive on time with no breakages, thanks to our carefully selected carrier partners and our vastly experienced warehouse staff who have mastered the art of sending large & fragile items.

    Let us, help you, transform your space.

    • Free delivery to Mainland UK

      Free delivery to Mainland UK

      For the majority of our inventory, delivery is at no extra cost you if live within mainland UK.

    • Friendly Customer Support

      Friendly Customer Support

      Our friendly support team is here every weekday from 9:30 - 16:00. Call us on 0208 7982 558.

    • Extended Warranty Cover

      Extended Warranty Cover

      All purchases include extended warranty & return periods. Terms & conditions apply.

    ★★★★★

    Rated excellent by our valued customers



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