The Transbay Transit Terminal is shut down through next week. Two cracked steel beams in the $2 billion structure were discovered earlier this week. What caused those beams to crack? KRON4 News asked ...

Q. I'm getting ready to build a large room addition that needs a beam to support the floor joists. I've been told that a wood beam will work, but I've always seen steel I-beams in other houses. Is it ...

Many renovated buildings replace wood and masonry structural elements with steel. The replacement of heavy wooden roof and floor joists with the lighter steel open-web bar-truss joists is a common ...

If you were to strip away the walls, floors, and insulation, you’d see that most buildings are constructed on a frame of beams. Most beams are made from steel, and while strong, they’re fairly ...

DEAR TIM: I’m getting ready to build a large room addition that needs a beam to support the floor joists. I’ve been told that a wood beam will work, but I’ve always seen steel I-beams in other houses.