Inverted Roof System Benefits

The average life of a roof system in north america is around 16 years and the depreciation period for a commercial roof 39 years.

Inverted roof system benefits.

Inverted roofs are becoming a popular alternative to conventional roofs because their benefits include long term cost savings sustainability benefits and increased community resilience. Extruded polystyrene such as kingspan greenguard has notable compressive capabilities that make it an ideal solution where there may be considerable foot traffic. Green roofs can also classed as ballasted roofs because the waterproofing system is protected by sedum or other vegetation which can be aesthetically pleasing. An inverted system works because dupont xps insulation is inherently resistant to moisture and durable enough to withstand exposure to the environment.

The great benefit of inverted roofs is that the insulation protects the membrane from extremes of weather such as frost uv exposure and the expansion and contraction that comes about from summer winter temperature cycles which can be as much as 80 c on some roofs. The main way that an inverted roof differs to a ballasted is that the insulation sits on top of the waterproofing but in both scenarios the waterproofing is essentially never exposed. 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 main limit on their application. Inverted roofs are able to exceed building regulations part l requirements and have many advantages.

Benefits of inverted roofs.