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If you're building a new partition wall that includes an
interior door, you'll need to frame the door opening
properly. A properly constructed door opening reinforces
the wall above and on either side of the door. You can
save yourself some potential headaches by purchasing the
prehung door unit you plan to install before beginning the
framing. That way, you can be sure the opening you build
is about 3/4 inch wider than the prehung door unit. This
allows enough room to make the necessary adjustments. In
moist basements, it's a good idea to use pressure-treated
wood for the sole plate. |
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 On the
ceiling, snap a chalk line to indicate where the top plate
of the new wall will be installed. Cut the material for
the top plate to length, then nail the top plate through
the ceiling into the ceiling joists or blocking. |
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 Use a plumb
bob to mark the floor where the sole plate will be
installed. Nail the sole plate to the floor, driving the
nails into the floor joists or blocking. Remember, don't
nail the sole plate to the floor between the jack stud
locations because this portion of the plate will be
removed before the door is installed. |
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 Measure and
cut the king studs and position them at the markings.
Drive nails at a 45-degree angle to make a toenailed
joint, or you can attach the studs with metal connectors. |
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 Measure the
length of the jack studs to 80 7/8 inches, mark and cut
them to size. |
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 Make a
header by sandwiching two 2x4s around a 1/2-inch piece of
plywood. Cut the header to fit between the king studs.
Install a cripple stud between the header and the top
plate, halfway between the king studs. Toenail the cripple
stud to the top plate and the side of the header. |
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 Position the
jack studs against the inside of the king studs, and nail
them in place. Nail through the king studs into the
header. |
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 Saw through
the 2x4 sole plate at the inside edges of the jack studs.
Remove the cut portion of the plate. |
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RELATED PROJECTS
Installing an Entry Door
Installing Split-Jamb
Interior Doors
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