ROOF STRUCTURE AND A PRESSURE EQUALIZATION MEANS FOR THIS ROOF

摘要

A roof structure comprising a support and a roof covering in the form of a roof membrane arranged on said support and optionally an insulation layer located between the membrane and the support, one or more pressure equalization means, each comprising an air duct including a valve which opens only when the pressure above the roof membrane is lower than the pressure in the space between the support and the roof membrane.