DPP 15 is a double skin system for slooped roof consisting of a structural tray as inner facing and a trapezoidal steel sheet as wheather facing,the system offers a thermal performance of Up 0.15W/m².K.
Non load-bearing Tray Hacierco C 450.70 non perforated or perforated type P with a thickness according to the span
Glass wool or mineral wool 70mm thick (in the bottom of the tray (λ = 0.040W/m.K maximum)
Airtight vapor barrier film
Purlin Multibeam on cleats
Glass wool or mineral wool 150mm thick unrolled between purlins (λ = 0.040W/m.K
Glass wool or mineral wool 120mm thick unrolled and nipped between purlins (λ = 0.040W/m.K)
Glass wool 60mm thick unrolled and nipped on the purlin