A steel truss is made of steel components such as beams, angles, and plates, while a timber truss is made of timber components such as beams, joints, and rafters. Steel trusses have a higher strength-to-weight ratio than timber trusses, meaning they can support heavier loads with less material. Steel trusses also have a longer lifespan and require less maintenance compared to timber trusses, which are susceptible to rotting, insects, and fire damage. However, timber trusses are more visually appealing and can provide a warmer, more natural aesthetic.
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