8. Cladding is a layer of a building frame
structure and it mounted on the outer surface
of a structure
In the context of a framed building the
primary objectives of the cladding system
itself are:
i) Provide an enclosure to the structure which
will give the necessary protection against the
elements
9. ii) Exploit dry construction methods where
possible, including the use of off-site
prefabrication
iii) Impose the minimal additional dead load
onto the frame
iv) Enhance the architectural
concept/appearance of the building
10. Strength and stability
Compatibility with Integration with vertical and
horizontal frame members/elements
Weather resistance
Durability
Thermal insulation
Fire requirements
Sound insulation
Aesthetic
11. Strength to support its own self weight
between points of supports or fixings to the
structural frame.
Stability against lateral wind pressures.
Allowance for differential movements
between itself, the structural frame and other
adjacent building elements.
12. Structure wind bracing arrangements.
Ability to cater for frame movements
13. Resistance to wind, rain and other forms of
precipitation (cladding and joints).
15. Avoidance of problems arising from ‘cold
bridging’ and from surface and interstitial
condensation.
Minimisation of air leakage
16. Restriction of flame spread to internal and
external surfaces and within voids
17. Prevention of sound originating in one part of
the building being transmitted to other areas
via cladding members/elements.
18. The need to respond to the context within
which the building is situated.
The need to satisfy the aesthetic aspirations
of the client. (Weathering
characteristics/durability of materials).
