Sliding Glazed Roof Hatches - Great Portland Street, London

Project:

Surespan designed and manufactured these huge electrically operated sliding glazed roof hatches also provide free airflow of 7m² for smoke ventilation!

These bespoke designs were part of a redevelopment on Great Portland Street in London. The covers were 4610 x 1955mm and featured an electrically driven opening motor.

Product:

The covers provide 7m² free airflow (As it is sliding there are no obstructions to the ventilation) according to approved document B (fire safety) paragraph 5b diagrams C.7.

The glazing features laminated and heat-strengthened low iron glass to L40.

A further fixed rooflight was also supplied to the size of 4935mm x 1955mm, the thermally broken multi-pane rooflight provides natural daylight