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 ...

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.

Q: I am building a new home with 2-by-6 exterior walls. Beams have to be installed over the top of all windows and doors. What is a good way to insulate these, as the solid wood creating the beam ...