steel
A roof-supporting framework made of steel beams, poles, sheets, or other steel structural elements.
A steel roof frame is an underlying support framework for a roof built out of steel beams, poles, sheets, or other elements constructed from steel.
Steel forms the underlying support rather than merely a surface finish. Beams, poles, and sheets are examples of possible elements.
The outer covering can be another material. A steel roof frame is identified from its supporting elements rather than from the appearance of the roof surface.
Related definitions
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aluminum
A roof-supporting framework made of aluminum beams, poles, sheets, or other aluminum elements. -
bamboo
A roof-supporting framework made of bamboo sticks, rafts, or other bamboo elements. -
iron
A roof-supporting framework made of iron beams, poles, sheets, or other iron elements. -
mixed materials
A roof-supporting framework combining different materials, each forming a significant part of the roof structure. -
precast concrete
A roof-supporting framework made of precast concrete beams, slabs, or other precast concrete elements. -
reinforced concrete
A roof-supporting framework made of reinforced concrete beams, slabs, or other reinforced concrete elements. -
wood
A roof-supporting framework made of wooden beams, poles, boards, slats, or other forms of wood.