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Brett Martin

Transform your flat roof spaces with high-performance daylight solutions from Brett Martin. Designed and engineered in the UK, Brett Martin rooflights, flat glass windows, and Mardome trade roof domes deliver industry-leading thermal efficiency, secure construction, and exceptional light transmission.

Whether you’re a builder sourcing BBA-approved roof domes for a commercial job or a homeowner upgrading a modern kitchen extension with flat glass roof windows, LB Supplies offers the full Brett Martin range at competitive trade prices.

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Why Choose Brett Martin Rooflights & Mardome Roof Domes?

Brett Martin is a premier UK manufacturer known for producing robust, highly insulated, and visually striking roof glazing systems. From standard fixed daylight domes to complex electric opening and AOV smoke ventilation systems, Brett Martin products meet demanding UK Building Regulations while maximising natural overhead light.

Key Features & Technical Highlights

  • Outstanding Thermal Insulation: Units feature multi-wall polycarbonate or low-E thermal glass options, delivering U-values as low as 1.03 W/m²K to eliminate cold spots and reduce heating costs.
  • Secured by Design & Burglary Resistance: Featuring PAS-tested secret-fix security systems and optional security grills, providing up to P4A class resistance to burglary and vandalism.
  • Weatherproof & Non-Fragile Performance: Full BBA approval (Certificate 06/4385) ensures structural stability, high impact resistance, and durability under harsh wind and snow loads.
  • Flexible Ventilation & Control: Choose from standard trickle vents, automated humidity-controlled options, electric wall switches, or smart rain-sensor closing systems.

Frequently Asked Questions About Brett Martin Roof Windows

What roof pitch are Brett Martin flat glass and dome rooflights suitable for?

Brett Martin flat glass roof windows and Mardome roof domes are designed primarily for flat roof applications with an optimal roof pitch between 2° and 15°.

What is the difference between a Brett Martin flat glass window and a Mardome roof dome?

  • Brett Martin Flat Glass: Features a sleek, frameless aesthetic with toughened and laminated double or triple glazing, ideal for modern residential extensions where architectural design and clear views are key.
  • Mardome Trade Roof Domes: Made from high-impact polycarbonate, available in single-, double-, or triple-skin dome options. Domes are lightweight, cost-effective, highly secure, and ideal for both commercial and residential flat roofs.

Do Brett Martin rooflights comply with Part L and Part F Building Regulations?

Yes. When specified with triple-skin polycarbonate or double-glazed low-E glass, Brett Martin rooflights comfortably exceed Part L U-value requirements. Opening variants and hit-and-miss trickle vents meet Part F standards for trickle and purge ventilation.

What kerb options are available for Brett Martin units?

Brett Martin offers 150mm and 300mm thermally broken uPVC kerbs for easy installation directly onto flat roof decks. Direct-fix options for fitting onto pre-built timber builders’ upstands are also available.

Technical Specifications Summary

  • Material: Toughened / Laminated Double Glazed Glass, Impact-Resistant Polycarbonate (Multi-skin)
  • U-Value: Centre pane down to 1.1 W/m²K, Ud-value down to 1.03 W/m²K
  • Suitable Roof Pitch: 2° – 15° and 0° – 15°
  • Operation Options: Fixed, Manual, or Electric (Rain Sensor), Fixed, Manual, Electric, or AOV Smoke Vent
  • Security Certification: PAS Secret-Fix System (P4A Class), BBA Approved (06/4385) & Secured by Design
  • Warranty: 10-Year Manufacturer Guarantee, 0-Year Manufacturer Guarantee

Shop Brett Martin Rooflights at LB Roof Windows

At LB Supplies, we carry a complete inventory of Brett Martin daylight systems, direct-fit kerbs, and smoke ventilation controls. Contact our technical advisory team today for guidance on sizing, pitch compliance, or tailored quotes for trade projects.