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 ProctorVent VB20 Ventilated Batten installed below the roof sheet, and above the vapour permeable ProctorWrap HTS sarking, provides for drainage and ventilation.

ProctorPassive Intumescent Drainage Batten (DB-FR) is a high compressive strength drainage batten for roof and wall applications and is constructed from an intumescent polyolefin extrusion.

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.