Things to consider

Thermal modeling

If building a home which does not comply with H1 via the Schedule method, a warm roof can provide valuable energy saving units to offset against other areas like oversized glazing. Due to the absence of thermal bridges (via rafters or downlights) a warm roof requires approximately 10% less energy to heat a house compared to a cold roof house build using materials with similar R values2.

Retro fitting

If a building is being renovated, consideration should be given to boosting the thermal efficiency by adding insulation outside of the current building envelope. By adding retro fitted insulation, improvement in air conditioning loads can be achieved without disturbing the inside core of the building. If the existing roof is in good condition, often the Nuratherm system can be installed directly upon it.

Detailing

Ensure that the insulation is correctly detailed in all specification drawings. Generic Membrane Roofing details will not suffice. Visit Nuratherm Insulated Roof details section and contact Nuralite if you have any questions.

Parapets

With the Insulation being installed upon the substrate, attention needs to be paid to parapet heights. This is particularly relevant if a retrofit to an existing building is proposed.

Condensation

The Nuratherm insulated flat roof system specification has been developed based on normal residential environmental conditions. Adequate ventilation must be provided to bathrooms, laundries, habitable spaces and other areas where moisture may be generated or may accumulate.