If your looking for materials, or the kinds of materials to construct models of buildings, most hobby stores have craft board (heavy cardboard) or craftwood for building such items. Another area in these stores is the doll-house section, you can interchange many parts for the style building you want.
we need ecofriendly buildings as a model to other buildings to become ecofriendly
Metal?
wood, plastics, and cements
story buildings
Stone, timber, marble, tiles.
It depends on the materials the buildings made of and the volume of the building.
The opera house is made of the same materials that most buildings are. These materials include wood, plastics, and cements.
Steel buildings typically are less to construct than wood or concrete. This is due to the cost of the equipment and materials.
Steel Cable typically is considered to have the highest tensile strength of materials that are used in buildings/bridges.
latexleatherrubber
Their buildings represent physical changes of the building materials.
BOCA, SBCCI, and, ICBO