Q: Collar ties don’t seem necessary in attics where the rafters come all the way down to the ceiling joists. Can you remove some of them to create headroom?
Q: For the same loads, which is heavier, structural steel beams or lumber beams?
Q: Doesn’t the safety factor in wood construction mean that most wood structures are way overbuilt?
Q: Does tongue-and-groove plywood add extra strength or stiffness to a floor system, or does it just help prevent floor squeaks?
Does a shed roof addition need collar ties to restrain the outward thrust of the rafters?
