How Much Is a Steel Beam?

A steel beam costs $100 to $400 per foot to install or between $1,200 and $4,200 on average. Installing a more complicated steel beam or replacing a load-bearing wall with a support beam costs $4,000 to $10,000. Steel I-beam prices are $6 to $18 per foot for just the materials.

Are steel beams cheaper than wood beams?

BUDGET. Wood, whether it's dimensional lumber (whole wood) or engineered, usually costs less in terms of both the material and labor to install. ... Laminated veneer lumber (LVL), composed of several layers of glued plywood comes pre-made from a factory but still costs less than structural steel I-beams.

How big of a beam do I need to span 20 feet?

For 20 foot span, size of continuous beam for 2-3 storey residential building, using thumb rule, is about 9″×12″ in which beam width is 9″ and beam depth is 12″ providing with 2nos of 12mm bar at top, 2nos of 16mm bar at bottom and 2nos of 12mm crank bar of Fe500 with stirrup T8@6″C/C and M20 grade of concrete ratio (1 ...