Straight gable roof framing is assumed for selection table.
Decorative wood between floor joists ceiling.
Unless you have a finished attic the ceiling joists are typically exposed.
Owt ornamental wood ties ironwood 6 in.
Adjustable galvanized steel joist hanger tab 6 piece per box.
Attic and floor dead load of 10 psf.
Bonus room floor joist selection guide.
Ceiling drywall hides the unpainted unfinished wood of joists beams or the floorboards supported by the beams plus a lot of other junk detailed below.
You may need to lift insulation or plywood to see the joists.
Floor live load of 40 psf between the kneewalls.
Called a floor covering or finish floor this might be ceramic tile solid wood laminate engineered wood luxury vinyl carpeting and many others.
Floor joists and ceiling joists serve similar purposes.
In general floor planks should be installed perpendicular to the ceiling joists although the presence of a plywood sub ceiling or a layer of perpendicular furring strips will allow you to install parallel to the joists.
For finished ceilings first disconnect the electricity and remove all light fixtures and other obstacles.
Generally floor or ceiling joists run parallel to the rafters.
Ceiling board allows you to heat your room far more efficiently.
Lower ceilings shrink the volume of the room to be heated.