My attic is getting all new floor joists. Currently, the joists are 2x6x12 - but we want to put a bathroom/closet down, therefore I'm installing 2x8x12 (to meet standards).
I plan on sistering the new joists to the old joists. Can anyone tell me the correct procedure? Bolt size, number of...
Instead of drilling holes into our ceiling joists (putting in a bathroom/closet in the attic) my plumber actually NOTCHED out holes from the top of several joists!
In order to resupport these beams, can I just add on sister joists?
