J Channel- Metal
edging used on drywall to give the edge a better finished appearance
when a wall is not "wrapped" Generally, basement stairway
walls have drywall only on the stair side. J Channel is used on
the vertical edge of the last drywall sheet Jack post- A type of structural support made of metal, which can
be raised or lowered through a series of pins and a screw to meet
the height required. Basically used as a replacement for an old
supporting member in a building. See Monopost.
Jack rafter- A rafter that spans the distance from the wall plate
to a hip, or from a valley to a ridge.
Jamb- The side and head lining of a doorway, window, or other opening.
Includes studs as well as the frame and trim.
Joint- The location between the touching surfaces of two members
or components joined and held together by nails, glue, cement, mortar,
or other means.
Joint cement or Joint compound- A powder
that is usually mixed with water and used for joint treatment
in gypsum-wallboard finish.
Often called "spackle" or drywall mud.
Joint tenancy- A form of ownership in which the tenants own a property
equally. If one dies, the other automatically inherits the entire
property.
Joint trench- When the electric company
and telephone company dig one trench and "drop" both
of their service lines in.
Joist- Wooden 2 X 8's, 10's, or 12's that run parallel to one another
and support a floor or ceiling, and supported in turn by larger
beams, girders, or bearing walls.
Joist hanger- A metal "U" shaped
item used to support the end of a floor joist and attached with
hardened nails to another
bearing joist or beam.
Jumpers- Water pipe installed in a water meter pit (before the
water meter is installed), or electric wire that is installed in
the electric house panel meter socket before the meter is installed.
This is sometimes illegal.
|