Home and Building, Volume 37 Number 6 (1975)
The outer skin or surface element of a building is backed up by an inner air space which can be pressurised in such a manner as to equal the outside pressures generated by wind velocity. This outer skin or rain screen is made resistant to water penetration, not by the normal method of sealing joints, but by eliminating the pressure differences between the inner and outer surfaces.
Plastics is another area where great developments have been made in the building industry. An example of the wide variety of products available is seen in the range offered by a leading Australian plastics manufacturingpage 56