Commercial metal roof externally insulated with DCT VulcanWool and internal ProctorPassive SmartVap air and vapour retarder, supported by a safety mesh. The full thickness of the insulation is maintained using structural spacers at each purlin. The ProctorVent VB20 and the ProctorGeo HC20 spacer mat installed below the roof sheet, and above the Class 4 vapour permeable ProctorWrap HTS sarking, provides for drainage, ventilation, and acoustic attenuation, meeting the NCC 2022 deemed to satisfy 20mm requirement for a ventilated roof space.

ProctorGeo HC EnkaVent Drainage Spacer Mat is a three dimensional shaped mesh of polyamide monofilaments, tangled and fused together.

ProctorWrap High Tensile-Roof (HT-S) is a medium weight highly durable medium duty vapour permeable roof underlay for use in tiled, slate and metal roof applications. ProctorWrap HTS-IT is supplied with double integrated tape.