Inverted Flat Roof

Because of the danger of condensation the complex structural design and the problematic breathability the double shell cold roof as a possible structural design solution for flat roofs is not commonly used.

Inverted flat roof. Find out more about inverted roof products. The performance and longevity of flat roofs depend upon many factors including the position of the insulation within the structure. What is an inverted roof. The advantages of the inverted roof reveal themselves when compared to any other flat roof solution.

Built up roof bur the traditional hot tar and gravel. 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. Inverted flat roof construction holds numerous advantages for flat roofing and provides the best solution because. Inverted roof designing buildings wiki share your construction industry knowledge.

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. What is an inverted roof. All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. The thermal insulation of flat roofs is an important issue both for winter chill and summer heat.

Inverted roofs have their waterproofing layer beneath the insulation instead of above it as in other forms of roofing. In an inverted roof construction the sika trocal membrane is installed directly to the structural decking usually concrete and the innobond thermal insulation is installed on top of the membrane. In this type of construction the principal thermal insulation material is applied on top of the weatherproof covering so that the complete roof construction including roof covering is kept at warm temperatures during the winter months and at moderate temperatures during the. This means that the insulation should be highly resistant to water absorption for example an extruded polystyrene based product which will not be affected by water or repeated freeze thaw cycles.

Single ply roof types. Inverted roofs are a type of warm flat roof where the insulation is above the waterproofing layer. The upside down sequence means the deck is waterproofed first then insulated and finally finished with paving or ballast.