Inverted Warm Roof Construction

An inverted roof construction sees the principal thermal insulation layer located above the roof structure and also above the waterproofing this method results in the waterproofing the structural deck and the support structure all being at a temperature similar to that of the interior of the building.

Inverted warm roof construction.

Extruded polystyrene such as kingspan greenguard has notable compressive capabilities that make it an ideal solution where there may be considerable foot traffic. Inverted roof systems a variation of a warm roof the main difference between inverted roof systems and other roof systems is in the position of the waterproofing membrane. Bre investigated a large building with an inverted roof that was suffering from persistent leaks with water dripping from the underside of the roof and on to suspended ceiling tiles. The upside down sequence means the deck is waterproofed first then insulated and finally finished with paving or ballast.

With a warm roof the insulation is installed on top of the existing surface rather than in between the rafters. Inverted roof applications are becoming increasingly popular for new construction projects due to a number of benefits that we think are important to highlight. 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. Warm cold and inverted.

Inverted roofs are able to exceed building regulations part l requirements and have many. Warm roofs offer a superior thermal performance and therefore come with a higher cost. When the insulation was removed from the worst affected area a large number of water filled blisters were found in the waterproof membrane figure 1. Simply defined as a type of roof construction where the waterproofing layer lies beneath the insulation instead of above it as in other forms of roofing inverted roofs ensure that the complete roof construction including roof covering is kept at warm temperatures during winter months and at moderate temperates during the summer months.

The great thing about a warm roof is that if your. Inverted warm roofs are not commonly used in new zealand. Installing a warm roof can be extremely straight forward and simple to do. Inverted roof designing buildings wiki share your construction industry knowledge.

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. An inverted warm roof has additional load imposed by the ballast layer which may increase the building structure costs. There are three recognised designs of flat roof construction.