DIY Build a Frame Around a Duct

Heating and cooling ducts are a common part of any basement renovation. Many homeowners choose to leave the ducts out in the open where they are easily visible. However, not all homeowners love the industrial look this creates. Building a frame around the duct will allow you to drywall around the duct so that it blends in with the rest of the room. Framing a duct is not difficult. If the ductwork is against the wall, you will need to build an L-shaped soffit frame. Build a U-shaped frame for ductwork that is not against the wall.

Measuring tape
2-by-4-inch boards
Miter saw
Level
Drywall
Paint

Instructions

- 1
  Measure the ductwork with a measuring tape.
- 2
  Add one-half inch to each of the measurements around the ductwork. This will allow the ductwork to expand and contract in the frame.
- 3
  Cut a 2-by-4-inch stud to run the length of the soffit. U-shaped soffits will need two studs for either side of the duct. Use the measurements from the ductwork to mark the studs and then cut the studs to size with a miter saw.
- 4
  Screw the 2-by-4-inch board(s) into the ceiling joists with a screwdriver. Place the board(s) one-half inch away from the ductwork. Screw the board(s) in place.
- 5
  Build the frame for the ductwork by creating U or L-shaped frame pieces out of 2-by-4-inch boards. Use the measurements of the ductwork to get the correct measurements for the height and width of the frame. Cut the pieces to size on a miter saw. Screw the pieces together with screws and a screwdriver. The U-shaped or L-shaped pieces should fit over the ductwork every 16 inches on center.
- 6
  Hold a U-shaped or L-shaped piece in place over the ductwork. Place a level against the board to ensure that it is level. Screw into place on the 2-by-4-inch board(s).
- 7
  Install drywall over the frame per manufacturer's directions and paint to match the room.

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