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Gorter has supplied a fire-resistant roof hatch for the roof of the Novotel at Schiphol Airport. The standard roof hatch from Gorter is made of top-quality aluminium. For technical reasons, the fire-resistant roof hatch from Gorter is made of EPD-treated steel. This gives it a fire rating of EI-120 and a smoke tightness classification of R-180.
The following link will take you to all specifications for the Gorter fire-resistant roof hatch.
