Inverted Roofing Details

The system is also referred to as a protected membrane or upside down roof.

Inverted roofing details. Inverted roof systems in this type of construction the principal thermal insulation material is applied on top of the weatherproof covering so that the complete roof construction including roof covering is kept at warm temperatures during the winter months and at moderate temperatures during the summer months. This makes it the only material suitable and approved for inverted roof applications. These systems are typically applied in conditions where there is extensive roof traffic or to protect from excessive weather conditions such as multiple hail events. Inverted roof membrance assembly irma systems are used in applications where the membrane requires protection from site specific hazards.

An inverted roof also referred to as a protected membrane or upside down roof is form of flat roof in which the waterproofing layer is beneath the thermal insulation rather than above it. Inverted roofs are designed with the waterproofing layer usually a liquid applied membrane beneath the insulation. Insulation boards are loose laid on top of the membrane and then weighted down with paving slabs or gravel ballast.