BS CP143-10(1973) : 1973

Foreword
1. General
1.1 Scope
1.2 Definitions
1.3 Exchange of information and time schedule
2. Materials, appliances and components
2.1 Galvanized corrugated steel sheets
2.2 Profiles and dimensions of galvanized corrugated
      steel sheets
2.3 Accessories and fittings
2.4 Fixing accessories
2.5 Sealing material
2.6 Flashings
2.7 Galvanized rainwater goods
2.8 Walkways
3. Design considerations
3.1 General
3.2 Durability
3.3 Weathertightness
3.4 Thermal insulation
3.5 Fire hazard
3.6 Condensation
3.7 Weight of sheeting
3.8 Purlin spacing and strength of sheeting
3.9 Methods of fixing the sheeting
3.10 Pipes, etc., passing through roofing
3.11 Roof ventilators and roof lights
3.12 Gutters and rainwater pipes
3.13 Walkways and roof-boards
4. Application
4.1 Safety precautions
4.2 Ladders, scaffolding and hoists
4.3 Storage and handling of sheets at suppliers,
      stores or on site
4.4 Preparation of sheet for roofing and vertical
      cladding
4.5 Layout of the sheeting
4.6 Fixing the sheets
4.7 Fixing of accessories
5. Inspection
5.1 Inspection on site
6. Maintenance
6.1 General
6.2 Need for painting
6.3 Paints suitable for galvanized sheets
6.4 Further information
Appendix
A. Thermal transmittance (U value)
Tables
1. Dimensions and net width covered per sheet of
      galvanized corrugated steel
2. Types of material and weights of zinc coating
3. Approximate weight of sheeting for 76-2 mm and
      127 mm corrugations per square metre asfixed
      (including side and end laps)
4. Properties of corrugated sheets
5. Maximum permissible purlin spacings for limiting
      stress and deflection for pitched roofs
6. Flow capacities for level gutters with outlet
      at one end
7. Recommended downpipe sizes (diameters) for level
      and sloping gutters
Figures
1. Typical sheets and side laps
2. Details of corrugated steel sheeting
3. Typical layouts and end laps of 10/76.2 mm
      corrugated steel sheeting

Describes the use of galvanized corrugated steel sheets for roofing and cladding in building. It does not refer to standardized forms of building. Recommendations are given on materials and design, construction and maintenance, together with information on weathertightness, durability, thermal insulation, fire hazard, rainwater drainage from roofs and other characteristics.