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Roof Access Hatch - Coxdome Opening Roof Dome for Flat Roof

(12 reviews) Free delivery
  • £440.00

  • Inc. VAT £528.00
  • Price on request
  • Not available in this size
  • Sizes over 900mm must be hinged on the long side


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Roof Access Hatch - Coxdome Opening Rooflight for Flat Roof

The Polycarbonate Coxdome Roof Access Hatch is designed to allow safe, occasional access on to a roof space for inspection of the roof or the facilities located on the roof. Specifying the Rooftop Access often avoids the need to provide other external facilities for gaining access to the roof. It can also be used as a means of emergency escape. The Rooftop Access is available with the 150mm splayed upstand and operates using gas assisted struts. Available in sizes 750 x 900mm, 800 x 800mm, 900 x 900mm, 900 x 1200mm, 1000 x 1000mm, 1000 x 1500mm, 1100 x 1100mm, 1200 x 1200mm.

The Coxdome Rooftop Access comes complete with the 150mm SPLAYED upstand and operates using gas assisted struts.

Features & Benefits of Coxdome Roof Access Hatch

  • 10 years guarantee!
  • Allows safe, occasional access to a roof space for inspection of the roof or the facilities located on the roof
  • Can be used as a means of emergency escape
  • Operates using gas assisted struts
  • High-quality rooflight system
  • Variety of shapes and sizes for all flat roofing types
  • Manufactured from extruded white PVC-u SPLAYED upstand
  • Available in double, triple, clear and diffused skin polycarbonate glazing
  • Excellent waterproofing properties - weathered to the full height of the upstand, water penetration is virtually impossible

Please Note: The hole size (structural opening) that needs to be cut for this rooflight is the size of the rooflight. i.e 600x600mm rooflight = Hole size of 600x600mm

The daylight size will be 200mm smaller than the Rooflight size (i.e. the 600x600mm rooflight would provide a daylight size of 400x400mm)


  • Opening angle of 85⁰
  • SF15 Splayed Upstands
  • Fire resistance (EN 13501-1:2007): D
  • EN 1873 Soft Body Article (1200 Joules)

Technical drawing on 150mm Upstand

Coxdome Roof Light Upstand

Coxdome Roof access hatch


  Glazing Light Transmission 'G' Value 'U' Value Sound Reduction (dB) Fire classification Impact
Double Glazed Coxdome Clear 77% 67% 2.6 W/m²K* 20dB 1-3mm: B-s1-d0 > 200 N/mm2
Diffused 77% 67% 2.6 W/m²K* 20dB 1-3mm: B-s1-d0 > 200 N/mm2
Double Glazed Coxdome Clear 71% 57% 1.7 W/m²K* 22dB 1-3mm: B-s1-d0 > 200 N/mm2
Diffused 71% 57% 1.7 W/m²K* 22dB 1-3mm: B-s1-d0 > 200 N/mm2


Our Upstands are designed to provide a watertight thermal break between the Finished roof and the rooflight. They have excellent thermal insulation properties they are a more thermally efficient solution to the standard builder’s kerb and help improve the overall ‘U’ value of the unit.

Made from high impact resistant PVC-u all of our Upstands are watertight welded and we use a double wall to add strength. The inside is UV stable ensuring the brilliant white finish so there is no need for internal decoration.

All Upstands are compatible with most flat roof membrane systems including single ply, GRP, hot melt, asphalt, liquid and lead.

  Height Material Profile Width 'U' Value Fire Resistance
Coxdome upstand 150mm PVC-u 25mm 1.8 W/m2K D-s3-d1

Related Information

Coxdome Access Hatch Technical Drawing (310.09 KB) Download
Coxdome Fitting Instructions (4.34 MB) Download
Coxdome Rooflight Specification Sheet (310.09 KB) Download
Coxdome 10 Year Warranty (157.51 KB) Download
Delivery Information

Free Delivery to Mainland UK during normal weekday working hours. Delivery charges may apply to other areas of the UK. Delivery costs will be update at checkout if required.

Rooflights are assembled to order and are usually delivered within 2-3 working days from Order (during weekday working hours only), except for Rooflight size 1000x1500mm which is on a 5-7 working day lead-time from Order.

All deliveries are made by way of courier and require a signature. Products will usually be delivered between the hours of 8:00 a.m. and 6:00 p.m. Monday to Friday only. Please assist us by ensuring that someone will be available to sign for the goods during this time. Please let us know if you have any specific delivery requirements including site restrictions/access requirements to avoid delivery delays or cancellations.

Please note that we cannot guarantee any delivery dates or times and we will not be held responsible for any losses incurred due to late deliveries. We recommend that no labour is booked until the goods have been safely received and checked to avoid such losses and inconvenience to you.


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Paul Bennett - 21/09/2020

Well advised and prompt delivery

Ian McGregor - 27/08/2020

Clear info, rapid response to enquiry, quick delivery

Stephen Kanauros - 14/11/2018

Excellent product, great service, super fast delivery.

Clive Humphrey - 19/10/2018

I live on the remote Isles of Scilly, Ed at Trade Access Panels answered a message I posted with a question immediately at 8pm!
He sorted out a great postage deal for me and I had my skylights a few days later.
The level of customer service is the best I have come accross in years, quick and efficient, I would readily give this business six stars.

Theo Nicolas - 18/10/2018

Well priced and good range of products. Sales Team very helpful and friendly whilst the delivery fast and efficient.

Client was very pleased with the product (Coxdome roof light).

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