polycarbonate fixed with upstand

Superdome with Fixed PVC Kerb

The Superdome with Fixed PVC kerb product is a high quality universal and affordable rooflight system. It is available in a variety sizes and whether you’re a residential client, architect, building contractor or roofing contractor there is an application suitable for all flat roofing requirements. Installed to our instruction, the unit offers excellent waterproofing properties. Weathered to the full height of the upstand, water penetration is virtually impossible. The sizes detailed below are the internal roof opening sizes. Simply therefore measure your internal opening size to determine the size you require. When the unit is delivered, simply place and secure it onto your roof joists before weathering up over the upstand. The product is suitable for flat roofs only with a maximum pitch of 15 degrees. The unit is also supplied complete with screwbolt security fixings meaning the building security is not compromised. For further detailed technical information, technical drawings and lead times, please see below.

From £213.84


Product Description

  • Manufactured from high impact resistant white PVC-u
  • 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

600 mm x 600 mm
600 mm x 900 mm
600 mm x 1200 mm
750 mm x 750 mm
750 mm x 900 mm
800 mm x 800 mm
900 mm x 900 mm
900 mm x 1200 mm
900 mm x 1800 mm
1000 mm x 1000 mm
1000 mm x 1500 mm
1100 mm x 1100 mm
1200 mm x 1200 mm
1200 mm x 1800 mm
1200 mm x 2400 mm
1500 mm x 1500 mm
1800 mm x 1800 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. SingleĀ or doubleĀ skin domes are greater.


Approximately 1 to 2 working days on standard 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