Inverted Roof System Benefits

Benefits of inverted roofs.

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. 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. 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 applications are becoming increasingly popular for new construction projects due to a number of benefits that we think are important to highlight. However deferring a roof replacement by 10 years can save hundreds of thousands of dollars. Inverted roofs typically last longer than traditional ones. 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.

Inverted roofs are able to exceed building regulations part l requirements and have many advantages.