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in addition to the use of techniques that allow some flexibility is an opportunity to adopt such
approach. Having in mind the high demand for materials finishing customization, an alternative
could be to build standard dwelling units and postpone the customization of finishing materials
as suggested by Stalk and Hoult (1990) and Child et al. (1991). In this sense, a flexible and more
integrated supply chain is desirable. Products should be co-developed with materials suppliers,
which in fact, could work with more flexible lead times, prices and order sizes.
Also, regulations are the main hinder to adopt an Enable customization in use approach. During
the product’s use, consumers should be stimulated to modify the space according to their needs,
and for that, guidance should be provided. Spatial requirements could also be anticipated in design stage and a plan for future expansion could be delivered to households along with dwelling
units. In the PAR program, rules concerning the products use may be a hinder t o customization,
as costumers are not allowed to make any changes for a period of 15 years. Moreover, in both
programs, urban legislation regarding site occupancy would also be a barrier, along with further condominium rules in the CCA case, through which rules for modifying dwellings should be
agreed by all. Only by overcoming those regulations it would be possible to think about a modular design that could support further adaptations during use.

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