Selected Bibliography Architecture - Form Space and Order | Page 313

MANU FACTURED PRO PO RT IO N S

Many architectural elements are sized and proportioned
not only according to their structural properties
and function, but also by the process through which
they are manufactured. Because these elements are
mass-produced in factories, they have standard sizes
and proportions imposed on them by the individual
manufacturers or by industry standards.

Standard Casement Window Units

Concrete block and common brick, for example, are
produced as modular building units. Although they differ
from each other in size, both are proportioned on a similar
basis. Plywood and other sheathing materials also are
manufactured as modular units with fixed proportions.
Steel sections have fixed proportions generally agreed
upon by the steel manufacturers and the American
Institute of Steel Construction. Windows and doors have
proportions that are set by the individual manufacturers
of the units.

Since these and other materials must ultimately come
together and achieve a high degree of fit in the construction of a building, the standard sizes and proportions of
factory-produced elements affect the size, proportion,
and spacing of other materials as well. Standard door
and window units are sized and proportioned to fit into
modular masonry openings. Wood or metal studs and
joists are spaced to accept modular sheathing materials.

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