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 ...

Q: Can you tell me a few things about the wood beam I uncovered while doing a plumbing repair? How is it possible for this beam to carry the load of everything above it? How do I know whether the beam ...

Q. Can you tell me a few things about the wood beam I uncovered while doing a plumbing repair? How is it possible for this beam to carry the load of everything above it? I'm worried it might not be ...