Superdome Access Hatch


The Superdome roof access hatch has been designed to allow personnel safe access onto the roof either for frequent inspection of occasional maintenance. The unit is suitable for use on all flat roofs with a maximum inclination of 15 degrees. The access hatch is manufactured from aluminium making the product virtually synchronization free. The gas strut assisted opening provides a smooth, easy, single-handed operation regardless of the size of the rooflight. The access hatch is supplied complete with upstand which ensures ease of installation. The range is available in five standard sizes and bespoke sizes are available also. The sizes we quote refer to the structural roof opening size. For further detailed technical information, technical drawings and lead times, please see below.

From £554.04


Product Description

  • Manufactured from high impact resistant white PVC-u
  • Gas strut support
  • Supplied with lockable handle and key.
  • Compatible with most flat roof membrane systems including single ply, GRP, hot melt, asphalt, liquid and lead
  • Complete with high security screwbolt fixings as standard
  • Fully CE marked
  • 1.7 W/m2k U value when supplied with a triple skin dome (quadruple skin domes available upon request)
  • Available in clear or diffused
  • 150mm kerb height as standard
Stock Sizes

750 mm x 900 mm

800 mm x 800 mm

900 mm x 900 mm

900 mm x 1200 mm

1000 mm x 1000 mm

1000 mm x 1500 mm

1100 mm x 1100 mm

1200 mm x 1200 mm

Technical Information

U values – 1.7 W/m2K with a triple skin dome.

Sound reduction – 22dB with a triple skin dome.

Non fragility – ACR(M)001:2005 and EN 1873 certification.

Fire classification – EN13501-1 and class 1 certification.

Kerb height – 150mm as standard.

Light transmission – 71% with either clear or diffused triple skin domes. Single or double skin domes are greater.


Approximately 1 to 2 working days on standard stock sizes.

Approximately 7 to 10 working days on bespoke made to order sizes.

Delivery is to kerb side only. Our driver will require assistance with off loading and someone must be present to sign for the delivery.

Tech Drawings