Mardome Trade 600 x 600
The Mardome Trade 600×600 fixed clear double skin polycarbonate dome rooflight is a BBA-approved flat roof daylighting solution built for domestic, commercial and industrial installations. Supplied complete with a builder’s upstand, it delivers up to 85% light transmission through clear Marlon FSX polycarbonate glazing.
| Size | 600mmx600mm |
|---|---|
| Colour | Clear |
| Opening | Fixed |
Flat roof natural daylighting with a 600 x 600mm fixed clear dome
The Mardome Trade is Brett Martin’s standard-specification polycarbonate dome rooflight, designed and manufactured under an ISO 9001-approved quality system. This 600 x 600mm fixed unit is glazed with double skin clear polycarbonate, achieving a U-value of 1.94 to 2.67 W/m²K and up to 85% light transmission. The steep-sloped kerb side walls deliver a daylight aperture of 450 x 450mm, up to 20% more than competing dome designs. An integral membrane clamp holds the roof covering in place without timber fillets, reducing installation time on flat roofs of all construction types.
Configuration and glazing choices to suit your project
The Brett Martin Mardome Trade is a polycarbonate dome rooflight moulded from Marlon FSX and is Class B non-fragile to ACR[M]001, BBA approved and backed by a 10-year warranty. It’s supplied in standard sizes from 450 x 450mm up to 2400 x 1800mm, in both square and rectangular formats, with a choice of low-rise dome or optional low-rise pyramid glazing units. Choose your configuration below:
Glazing (skin options and U-values):
- Double skin polycarbonate (U-value 1.94–2.67 W/m²K)
- Triple skin polycarbonate (U-value 1.26–1.93 W/m²K)
- Quad skin polycarbonate (U-value 1.01–1.73 W/m²K)
- Structured polycarbonate inner glazing (U-value 1.39–1.90 W/m²K)
- Argon-filled glass inner glazing (U-value 1.04–1.75 W/m²K)
Dome tint (light transmission shown for double / triple / quad skin):
- Clear (85% / 78% / 72%)
- Patterned (78% / 72% / 66%)
- Opal (35% / 32% / 30%)
Dome shape:
- Low-rise dome
- Low-rise pyramid (optional)
Operation:
- Fixed
- Fixed, Secured by Design (optional, for enhanced security)
- Manual opening (with optional extension pole)
- Mains-powered opening (with optional remote control and rain sensor)
- Access hatch (lockable from the inside, for roof access)
Ventilation:
- Unventilated
- Manual hit-and-miss trickle vents
- Powered extraction ventilation (available on selected sizes; non-opening variants only)
Kerb / fixing:
- Standard uPVC kerb (150mm waterproofing height, for mounting at roof surface level)
- Tall uPVC kerb (300mm waterproofing height, for mounting below insulation)
- Direct-fix glazed unit (mounted to a builder’s upstand)
Security and additional options:
- Steel security grille (white powder-coated finish)
- Acoustic pack for noise reduction (not available with ventilated or opening units)
Technical documents and installation guides
Download the Mardome Trade installation guide, datasheet, and BBA certificate (06/4385) for full technical specifications.
What our customers say
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. The team were fantastic from start to finish and the results speak for themselves.
Sarah Thompson
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Professional, tidy, and finished ahead of schedule.
James Wilson
Wilson Developments
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Emily Clarke
Lorem ipsum dolor sit amet, consectetur adipiscing elit. The team were fantastic from start to finish and the results speak for themselves.
Sarah Thompson
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Professional, tidy, and finished ahead of schedule.
James Wilson
Wilson Developments
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Emily Clarke
Common questions about the Mardome Trade 600x600 rooflight
Have a question before you order? The answers below cover the most important details about this fixed clear double skin dome unit.
View All FAQsThe structural opening matches the 600x600mm rooflight footprint. The visible daylight area measures 450x450mm, as the kerb flange accounts for 150mm around the perimeter.
The double skin clear Mardome Trade achieves a U-value of 1.94 to 2.67 W/m²K depending on dome size, which meets current Part L Building Regulations requirements for flat roof rooflights.
Clear double skin Mardome Trade domes transmit up to 85% of available daylight, making them the highest light-transmission option in the Mardome Trade glazing range.
Yes. Brett Martin Mardome Trade rooflights hold full BBA approval, certified under certificate number 06/4385, and are manufactured under an ISO 9001-approved quality system.
The builder's upstand version is designed to fit directly onto a pre-existing structural insulated upstand on site, rather than relying on the Brett Martin PVC kerb to form the upstand from scratch.
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