DCT-R20-6 VENTILATED COMMERCIAL METAL ROOF WITH DCT VULCANWOOL INSULATION, PROCTORWRAP HTS VAPOUR PERMEABLE MEMBRANE, SMARTVAP VAPOUR RETARDER, PROCTORGEO HC20 SPACER MAT AND PROCTORVENT VB20 VENTED BATTEN.
Commercial metal roof externally insulated with a vapour barrier faced mineral fibre insulation blanket supported by a safety mesh. The full thickness of the insulation is maintained using structural spacers at each purlin. The ProctorGeo HC8 spacer mat installed below the roof sheet, and above the vapour permeable ProctorWrap HTS sarking, provides for drainage, ventilation and acoustic attenuation.