Inverted Flat 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 flat roof construction. Inverted roof applications are becoming increasingly popular for new construction projects due to a number of benefits that we think are important to highlight. Warm cold and inverted. The iko armourplan pvc membrane offers a robust solution for inverted roofs and the next generation iko spectraplan membranes in addition offer non capillary construction to prevent moisture absorption. Flat roof design guide.

Inverted roof designing buildings wiki share your construction industry knowledge. Inverted roofs have significantly lower maintenance costs than conventional low slope roofs thanks in large part to the insulation in the inverted assembly protecting the roof membrane from mechanical damage during and after construction as well as temperature extremes that cause stress. There are three recognised designs of flat roof construction. Inverted roofs typically last longer than traditional ones.

Due to its numerous advantages for flat roofing one of the best solution is the inverted roof construction. The performance and longevity of flat roofs depends upon many factors including the position of the insulation within the construction. Extruded polystyrene such as kingspan greenguard has notable compressive capabilities that make it an ideal solution where there may be considerable foot traffic. The performance and longevity of flat roofs depend upon many factors including the position of the insulation within the structure.

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. 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. Protected waterproofing membrane the roofing membrane is installed on the roofdeck concrete deck. The thermal insulation of flat roofs is an important issue both for winter chill and summer heat.

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.