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Flat Glass Rooflight

The Brett Martin Flat Glass range is easily installed, and features laminated inner panes as standard.

Size *
Frame *
Kerb *
Opening Mechanism *
Ventilation *

Ex.VAT £394.68

inc.VAT £473.62

This item is made to order and is non refundable

+ -

Overview

Choose Flat Glass Rooflights for the optimum safe and secure daylighting option. With a laminated inner page as standard, Brett Martin Glass Skylights prioritises the safety of your family.

Fixed variants of our Flat Glass rooflights achieve Secured by Design accreditation, ensuring you are kept secure against burglary.

The Brett Matin Flat Glass rooflight provides quality flat glass rooflight features at highly competitive prices, with some variants delivered in as little as 48 hours* from order.
Designed with both the building owner and installer in mind and to cater for the large and growing trend for flat-roofed home extensions and light, bright open, plan living.
Brett Martin Flat Glass rooflight is also equally at home on larger commercial property developments, giving homeowners, independent tradespeople, and larger construction trades the ability to bring stylish daylighting to all types of buildings quickly.

*See delivery details for relevant products

Benefits & Features

Brett Martin Flat Glass is a premium flat glass rooflight designed for flat roofs across all modern building types. It provides abundant natural light—and ventilation where specified—through a sleek, double-glazed panel encased in a powder-coated aluminium frame.

This minimalist design is optimised to maximise the flow of daylight while blending seamlessly into the ceiling once installed. The skylight sits neatly atop a builder's upstand or curb, following the provided fitting instructions. All units are proudly manufactured in the United Kingdom.

Benefits

Modern and stylish flat glass rooflight design
Elegant aluminium frame powder coated to RAL 7016
Clean internal appearance, including hidden actuators and cables on powered opening rooflights
Highly thermally efficient with a thermally isolated frame and double glazing
Achieves U-values as low as 1.46 W/m²K
Laminated inner pane and non-fragility ratings:
- CWCT TN-67 (Class 1 or 2, depending on size)
- Class B non-fragile to ACR[M]001 when fully installed
Highly secure: Secured by Design accreditation for fixed Flat Glass models
10-year warranty for peace of mind
BRE Globally Verified EPD (Environmental Product Declaration) on specific configurations

Features

Wide range of sizes available, including nine standard fixed sizes delivered within 48 hours
Suitable for mounting to a builder's upstand or PVC curb (available in two height options)
Available in fixed, manual, or powered opening formats
Various ventilation options available
Special glass options available on request

Delivery information

Lead Times

Brett Martin Flat Glass (Fixed)

Standard Lead Time: 48 hours*
Kerb Compatibility: BU / DF / 216 / 300
Ventilation: Unvented / Trickle (manual) / Auto Hit & Miss
Opening Type: Fixed only

Available Sizes:

600 x 600
750 x 750
900 x 600
900 x 900
1000 x 1000
1200 x 600
1200 x 900
1200 x 1200
1500 x 1000
2000 x 1000 – 5 working day lead time

Brett Martin Flat Glass (Manual / Powered Opening)

Standard Lead Time: 5 working days*
Kerb Compatibility: BU / DF / 216 / 300
Ventilation: Unvented / Trickle (manual) / Auto Hit & Miss
Opening Type: Manual or Powered

Available Sizes:

600 x 600
750 x 750
900 x 600
900 x 900
1000 x 1000
1200 x 600
1200 x 900
1200 x 1200
1500 x 1000

*Any size not listed above will have a minimum of 30 working days lead time and will be handled by our Bespoke Team.

Important Ordering Information

Please ensure your order details are correct before finalising payment. All Flat Glass rooflights are custom-made, and once processing begins, sizes and product options cannot be modified.

Delivery Cost

£40 (inc. VAT) to all UK mainland addresses.

For areas excluded from standard delivery, please contact us.

Excluded Delivery Postcodes

We currently do not deliver to the following postcode areas without prior arrangement:

HS, IM, IV, ZE, BT, KA27–28, KWA, PA20–49,
PH17–50, PO30–40, TR21–25, LL58–78

Contact Us

For bespoke orders, special delivery requirements, or further information:
Email: [email protected]
Phone: +44 (0)24 7660 2022

Installation

The Brett Martin Flat Glass Rooflight is engineered for straightforward, secure installation on flat or low-pitch roofs. It can be installed directly onto a builder’s upstand or a PVC kerb and is suitable for fixed, manual, or powered opening formats.

Installation Video

For a full step-by-step installation guide for the Flat Glass Rooflight on a builder’s upstand, watch the video below or download our installation guides below.

*Brett Martin Daylight Systems operates a policy of continuous product improvement and reserves the right to alter specifications at any time without notice. Every effort has been taken to ensure all details contained in this video are correct at the time of release but this video should be used only as a guide and does not in any way form part of a contract or warranty. It is the customer’s responsibility to ensure that the product is suitable for the actual conditions of use, which are beyond the control of Brett Martin Daylight Systems.

Installation Requirements

Roof pitch: Must be between 2° and 15°. Use the supplied pitch matrix to determine minimum pitch per size.
Upstand: Should be weathered and insulated, with dimensions:
• External = Rooflight size +40 / -20 mm
• Internal = Rooflight size -150 mm (+30 / -0 mm)
Minimum upstand height: 75 mm
Thermal caution: Blinds beneath the glazing can increase thermal stress risk. If blinds are used, choose light colours and allow space and airflow.

Installation Overview by Type

Fixed Flat Glass Rooflight

Place unit onto prepared builder’s upstand or PVC kerb
Seal with silicone/mastic as specified
Fix using supplied kerb fasteners (quantity based on unit size)
Ensure pitch is built into upstand if required

Manual Opening Flat Glass Rooflight

Hinged frame opens upward – support during installation to avoid damage
Apply sealant to the inner edge of upstand
Fix kerb and frame using supplied fixings
Attach worm drive mechanism (manual opener) top and bottom
Minimum pitch per size must be followed for drainage and clarity

Powered Opening Flat Glass Rooflight

Prepare and seal upstand or kerb as per manual opener
Route power cable carefully through the cavity – avoid crushing or bending
Install hinges facing upslope and fix securely
Connect electrics (wall switch, remote, or rain sensor) — must be done by a qualified electrician
Rain sensor (if supplied) should be mounted externally in a rain-prone area
All electronics are pre-programmed from the factory