Roof structures. Common construction materials for roof structures are steel or timber trusses and reinforced concrete, supported on masonry, concrete, steel or timber columns. Practical and cost considerations will, however, restrict the range of options that are available.
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Roof structures. Common construction materials for roof structures are steel or timber trusses and reinforced concrete, supported on masonry, concrete, steel or timber columns. Practical and cost considerations will, however, restrict the range of options that are available.
· Steel roof cladding: 480 N/m²
· Pitched roof: 0.75 kN/m²
· Steel trusses: 100 N/m²
SANA PO MAKATULONG