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Brett Martin Rooflights - Up to 27% more daylight.

The Mardome rooflight range delivers more...More daylight, more efficiency, more choice and more compliance -

all achieved through its wide range of benefits and intelligent design.

Find out why...

Sleek and Modern

Combines contemporary aesthetics with high performance. Its aerodynamic, low‑rise glazing profile provides a clean, refined appearance, while supporting improved energy efficiency and seamless integration across a wide range of roof types.

Concealed Actuators

Concealed actuators housed within the kerb on powered opening rooflights maintain a clean internal appearance while maximising usable daylight—ideal for both residential and commercial spaces.

Thermal Performance

Separation of triple skin across the domes - minimises the risk of condensation and avoids the ring of condensation that can form around the perimeter, enhancing protection.

Integrated Membrane Clamp

Integrated clamp secures the roofing membrane against the PVC kerb, preventing peel‑back from wind uplift, weathering, or thermal movement and delivering reliable, long‑term protection.

Choice for Speed or Flexibility

Undrilled top‑only units (Reflex) offer maximum flexibility for fitting to existing or non‑standard upstands. Predrilled top‑only units (Trade) available, on standard sizes for faster installation and a straightforward fit.

Direct Fix Kerb Design

Allows opening units to be installed directly onto a builder’s upstand, with no additional waterproofing required. This offers significant benefits in terms of installation speed & simpler sequencing of site works.

Certified Quality and Security

Compliance: BBA Accreditation for specific configurations of Mardome Trade. Unique Secured by Design (SBD) option on some models provides enhanced security, giving peace of mind.

Thermal Compliance

Rooflight U‑values declared as a single developed‑area value for the complete assembly (including kerb). Horizontal assessments in England, Scotland and Wales, vertical in NI. Fully compliant U‑values provided in line with Rooflight Assoc. guidance NTD02.1.

Wide Range, Fast Delivery

Available in a wide range of sizes and specifications. Many options available for fast delivery, with most sizes supplied within 48 hours. Selected popular models available for next‑day delivery, helping keep projects on schedule.