Mardome Trade Rooflight

Mardome Trade

Mardome Trade is the base rooflight, offering a competitively priced dome unit with a host of additional extras to satisfy a range of project requirements and budgets.


  • Choice of sizes from 600 x 600mm to 1200 x 1800mm
  • Contemporary styling with low rise glazing
  • Thermally insulating and Part L compliant
  • Standard triple skin U-value of 1.8 W/m²K
  • Choice of standard or tall white PVC kerb or direct fix options    
  • Choice of shapes with dome or pyramid options 
  • Manual and powered ventilation and opening options
  • Clear, textured, opal and bronze polycarbonate outer glazing options
  • Tamper-proof fixings provide high security level
  • Easy to install and delivered complete and ready to fit
  • 10 year warranty

ideal for

  • Open plan living    
  • Kitchens
  • Hallways
  • Bathrooms



Please refer to the fixing instructions supplied with each Mardome rooflight or contact our Technical Department for guidance.

Standard Dome Sizes

600 x 600
600 x 900
600 x 1200
750 x 750
750 x 900
900 x 900
900 x 1200
1050 x 1050
1200 x 1200
1200 x 1800

*Available in both opening and non-opening options. 

Powered Opening with Remote & Rain Sensor

Extended lead times apply. Not available for 48 hour delivery. See Product Price Guide for more information 

Dome & Kerb Measuring

Measure overall dimensions of the opening (length x width). All domes in the Mardome range can also be specified to be fixed directly to an existing builders upstand, and where necessary these are supplied with a 'direct fix' adaptor to enable this. An optional Mardome kerb adaptor allows standard size domes to be fitted to non-standard size upstands.

Mardome Trade with Kerb

Mardome Direct Fix Measuring 

Mardome Trade 'Direct Fix'

Mardome with Kerb Measuring


All rooflights are glazed with an outer skin of impact resistant Marlon FSX Longlife UV protected polycarbonate. This outer skin glazing is available in a dome or pyramid shape. Select from clear, textured, opal and bronze tints.

Thermal Performance

To achieve varying degrees of insulation Mardome are available in single, double and triple skin polycarbonate glazed units. Options to further improve thermal efficiency include glass inner glazing. An average U-value for the rooflight area of 2.2 W/m2 K is required to satisfy Part L Building Regulations 2013. To assist compliance with Part L, Ariel Plastics recommend installing no less than triple skin glazed rooflights.

Thermal Efficiency

Material  U-Value*
Double Skin Polycarbonate 2.7 W/m2 K
Triple Skin Polycarbonate 1.8 W/m2 K

*Centre pane U-value is a measure of the thermal efficiency of the glazing type.

Security Fixings

Mardome Trade has secure fixings with tamper proof caps for added security.

PVC Kerb
The white PVC kerb is designed to be thermally insulating and all cabling is enclosed within on all mains powered opening Mardome Trade rooflights.

Polycarbonate Glazing 
The resilient polycarbonate glazing has added UV protection for long term performance.

Quality Guaranteed
This product has BBA approval and a 10 year product warranty for complete peace of mind.


  • Opening_Poles

    Mardome Opening Poles

    Pole for manually opening Mardome rooflights

    View product
  • Security_Grills

    Mardome Security Grille

    Metal security grille in white powder coated finish to suit dome size

    View product

Ariel Price Guide

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