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EXIDOME Polycarbonate Roof Access Hatch


Roof hatch skylight for easy roof entrance. These domed roof access hatches are ideal for occasional access to the roof for inspection and maintenance. Fitted with a gas spring opener and sold with triple polycarbonate layers. These skylights could also be used as a roof escape hatch.

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Shipping cost: £25 (£30 inc. 20% VAT).
Free Delivery on orders over £500.


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The ExiDome roof hatch skylight is the perfect solution for providing easy access onto a roof with gas assisted opening.
Addlite stock triple layer variants in both clear and opal finish. The opal finish is best used where an evenly diffused light is desired, perfect for creating a comfortable working environment whereas the clear layer provides the most amount of light ideal for higher ceilings. The Access hatch is available with a gas spring, 24v electric available on back order.


  • High quality triple layer Polycarbonate (PC) Lid
  • 150mm PVC Upstand
  • Clear or Opal diffused layers


  • U Value 1.8 W/m²K (Layer Only)
  • PVC Upstand U-value 1.1 W/m²K
  • Thermally broken frame with multi-chamber system
  • Double sealed frame keeps out moisture and wind
  • Sound reduction 22dB
  • Gas Assisted Opening up to 90°

Dimensions + Clear Opening

  • 900 x 900 (720 x 720)
  • 900 x 1200 (720 x 1020)
  • 1000 x 1000 (820 x 820)
  • 1200 x 1200 (1020 x 1020)
  • 1200 x 1800 (Twin Lift)(1020 x 1620)

Access Opening

Gas assisted
Clear Opening
Top Edge of upstand
Total U-Value (Inc Upstand)
900 x 90080°720 x 7201.49
1000 x 100080°820 x 8201.54
900 x 120080°720 x 10201.55
1200 x 120080°1020 x 10201.58
1200 x 180042° (2 Openers)1020 x 16201.61

Additional information


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Layer Variant



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