Home » Buy Online » Rooflights » Flat Roof Skylights » VENTILATION Skylight for Flat Roof

VENTILATION Skylight for Flat Roof


Ventilation Skylights are fitted with a 280mm manual spindle (with 1700mm hand crank rod) or a 300mm Electric opener (for sizes above 1200 x 1800). This offers a natural ventilation system ideal for supplying passive fresh air as well as light to create a comfortable working environment.

Sold with triple layer glazing and a 150mm PVC upstand to ensure optimal thermal performance during colder spells. Factory assembled and delivered to site for installation.

Buy Online Today and receive 3-5 Working days Addlite delivery as standard!
Shipping cost: £25 (£30 inc. 20% VAT).
Free Delivery on orders over £500.


Click the button below to use our Online Product Specifier and request a quote.


Clear selection

Payment methods:-
payment methods


These high quality ventilation roof light domes feature a modern, stylish aesthetic which have been designed from the ground up to provide easy installation as well as high performance. Designed with a modular structure allowing a variety of configurations, the thermally broken frame manufactured from plastic profiles ensures a strong thermal performance and resilience to condensation formation.

Our Roof Domes are sold with high quality triple layer Polycarbonate (PC) Glazing and a 150mm thermally broken PVC Upstand. This also ensures the products meet the relevant building regulations including Part L 2013.


  • Triple Layer Polycarbonate (PC) Lid
  • PVC Upstand
  • Clear or Opal diffused layers


  • U Value 1.8 W/m²K based on standard triple layer
  • PVC Upstand U-value 1.1 W/m²K
  • Sound reduction 22dB


  • 600 x 600 Ventilation area (300mm) 0.18m2
  • 600 x 900 Ventilation area (300mm) 0.30m2
  • 900 x 900 Ventilation area (300mm) 0.43m2
  • 900 x 1200 Ventilation area (300mm) 0.52m2
  • 1000 x 1000 Ventilation area (300mm) 0.492
  • 1200 x 1200 Ventilation area (300mm) 0.61m2
  • 1200 x 1800 Ventilation area (300mm) 0.79m2

Light Performance

DimensionVentilation Area
300mm Stroke m²
Total U-Value (Inc Upstand)
600 x 6000.181.43
600 x 9000.301.47
900 x 9000.431.49
1000 x 10000.491.54
900 x 12000.521.55
1200 x 12000.611.58
1200 x 18000.791.61

Additional information


, , , , , ,

Layer Variant



There are no reviews yet.

Be the first to review “VENTILATION Skylight for Flat Roof”

Your email address will not be published. Required fields are marked *