Inverted Roof Vs Warm Roof

Namely the insulation layers.

Inverted roof vs warm roof.

The problem with this kind of flat roof. Rigid extruded polystyrene insulation has minimal water absorption due to its closed cell structure. There are three recognised designs of flat roof construction. An inverted roof is quite simply where the waterproofing layer is installed over the structural deck rather than over the insulation.

When we talk about a warm roof vs a cold roof what we re really talking about is the insulation of the flat roof. Inverted roofs because of the need for ballast paving or vegetation inverted roofs typically weigh about 90kg m2 which means the structural load is the. Warm roof insulation ensures the entire roof structure is insulated meaning a warm deck roof is more energy efficient than a cold roof. Basically there are two options to choose from when insulating a flat roof.

Inverted roofs or upside down roofs have the insulation laid onto the waterproofing membrane. In a warm roof construction the principal thermal insulation layer is located above the structural decking resulting in the structural deck and support structure being at a temperature close to that of the interior of the building. Inverted roof designing buildings wiki share your construction industry knowledge. You create a warm roof or a cold roof simply by applying the layers of the roof in a different order.

The thermal efficiency isn t as good as with warm roof. What is a warm roof or a cold roof. Warm cold and inverted. The waterproof covering is placed above the insulation and a vapour control layer is placed below the insulation.

Warm roofs a warm roof includes insulation above the structural deck. In a cold roof the insulation is applied between the rafters but in a warm roof the insulation is applied on top of the existing roof surface. 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. There is normally some ballast to hold the insulation down.

The breakdown warm roof vs cold roof. A cold flat roof insulation requires more work taking off old boards and replacing them and the roof surface. Benefits of inverted roofs.