The CAD Details are supplied as DWG AutoCAD version 14 files. It is recommended that you have Autodesk Volo View installed. This is available on the NationBuilder CD Rom.

Typical Cavity Wall Installation Details... Typical Details showing ISOBOARD® Cavity Wall Insulation... Plan of rectangular flat roof showing zones subject to different wind pressures as recommended in BS 6399 Part 2: 1995... Cross-section through typical inverted roof system... Gulley detail - two level drainage... Parapet roof deck detail - tanking specification where falls are not optimum and ponding could occur... Parapet roof deck detail - bituminous waterproofing membrane... Parapet roof deck gutter detail - mastic asphalt... Typical sections showing ISOBOARD® Over Purlin Roof Insulation...