Velux Smoke Ventilation System

Product Code 56488c
From £1,520.25
Incl. VAT £1,824.30

Est. delivery: 2-4 Working Days

View delivery options
  • ONLINE PRICE ONLY

  • Centre-Pivot window made of high quality White PU Coated Pine.
  • For Geometric Smoke Ventilation our systems are tested and certified to EN ISO 12101-2 for Roof Pitches from 15-90°.
  • For Aerodynamic Smoke Ventilation our systems are tested and certified to EN ISO 12101-2 for Roof Pitches from 15-60°.
  • Comes with laminated inner pane for additional safety.
  • System can be upgraded to comply with aerodynamicsmoke ventilation requirements by the inclusion of the optional KFD external wind deflector.

Available for 1m2 (SK06 size) or 1.5m2 (UK08 size) of smoke-free ventilation area.

FREE DELIVERY on Roof Windows and Accessories on orders over £50 (Exclusions apply)

All other Delivery Charges are based on weight and location, please add products to your basket to calculate shipping.

A small amount of product lines from particular manufacturers listed below will incur a supplier delivery surcharge.


Next Day Delivery available on orders of stocked items if placed before 2pm

Deliveries will be made between 8am and 6pm. Delivery times apply to weekdays only.


Delivery of Windows to England, Wales, and the majority of Scotland:
Basket Value Price (£)
0-£50 £9.95
Over £50 Free Delivery

Delivery of Windows to the Channel Islands, Scottish Highlands, Northern Ireland, Isle of Man

(postcodes IV, HS, KA27-28, KW, PA20-49, PA60-78, PH17-26, PH30-44, PH49-50, ZE, AB)

Basket Value Price (£)
0-£249 £20
Over £250 £50

It is with regret that we cannot offer a service to these areas for orders over 126kg but please call us on and we will attempt to organise a delivery to your custom if required.


Supplier Delivery Charges

Please note the following supplier delivery surcharges:

Ariel Plastics = £25.00

Britmet Tileform= £35.00

Lead Products(orders under 250kg) = £50.00

Marley Eternit roof tiles (orders under a pallet) = £75.00

Marley Eternit sheeting (exclusions apply) = £50.00

Redland = £100.00

Palram = £25.00

Please phone us on if you are unsure.