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  • Build A Wall With A Door: Simple As 1..2..3!

Build A Wall With A Door: Simple As 1..2..3!

How To Build A Wall With A Door

Making an addition? Finishing a basement? Building a shed? If so, you’ll probably need to build a wall with at least one door. Here’s what you need to know to make this as simple as 1, 2, 3!

1.) Measure And Plan

First, check your local building codes to make sure you are compliant.

Measure the length for the new wall. Also measure the height of the ceiling (if a ceiling is already in place) in several places along the length of the wall. Often, the ceiling height will vary slightly along the length of a room. Find the shortest measurement from floor to ceiling and build your new frame to this height.

Determine the number of studs required to build the wall by dividing the length measurement by 16 inches. Add two additional studs for “end studs”.  If your ceiling measurement is 8 feet or less, you can use 8 foot lumber for the studs. If the height is over 8 feet, use 10 foot lumber for the studs. Take the wall length measurement to choose boards for the top and bottom plate. Two-by-fours are available from 8 feet, to over 20 feet long so choose boards that are a bit longer than the length so you can cut them down to size.Frame a wall with a door

Because you’re adding a door, you’ll also need to account for the door frame. The door frame will consist of two king studs, which run the entire height of the wall frame; two trimmer studs (or jack studs), which fit inside the king studs and are the same height as the door casing; and a horizontal header across the top of the door that preserves the structural integrity.

2.) Build The Frame

Cut the top and bottom plates to the measured length of the new wall. Take the shortest ceiling measurement, subtract the thickness of the two plates, and cut all the studs to this length. Calculate the placement for any door opening and cut the jack and cripple studs to length. Cut the header and have it ready when you layout the rest of the wall framing.

It is much easier to build the wall frame on the floor, then pivot it up into position. This is called tilt-up construction.

Build the frame with the lumber laying on edge, on the floor next to where it will be erected. Start by laying the top and bottom plates side by side and measure starting from one end. Mark both plates simultaneously, every 16 inches along their length for the studs. Then, mark the location for the door opening. (Note: A frame should be built to accommodate a door with the bottom plate in place for stability. The plate can then be cut out after construction is complete.)

Separate the plates and lay the pre-cut studs between them so the centers align with each mark. Use a framing nailer to attach the framing members to create the wall. Nail through the sill and header into the studs for stronger joints. Cut and dry-fit the other components of the wall, making sure the distance between the trimmer studs is correct for the door casing. Nail the king studs in position, then nail the trimmer studs ihttps://www.acmetools.com/shop/tools/pneumatic-nailersnto the king studs and attach the header.

If building the wall on a concrete floor, e.g. in a basement, use pressure-treated lumber for any part of the frame that will come in contact with concrete. The sill plate should be pre-drilled for anchor bolts that attach the wall to the concrete.

3.) Position And Attach The Wall

Tilt the completed frame upright and shift it out of the way. Snap a straight chalk line on the floor to show the wall’s desired position. Use a long level and a pencil to extend the line up the wall. If the new wall will attach to a framed wall, make sure it will be positioned at a stud. If it’s attaching to a concrete block wall, position the wall so it lines up with the middle of the blocks.

Move the wall into place. Set the new frame plumb and square using a level held against the edge of the studs. Tap the plates one way or the other until they align with the marks and all your studs are plumb. If any point along the new wall frame is not snug because of variances in the ceiling height, use wood shims driven under the bottom plate to tighten the fit.

frame a wall with a doorUse a framing nailer to attach the wall to the floor before attaching to the other walls. To secure the wall to the concrete floor, use a drill with a masonry bit to drill a pilot hole through the pressure-treated sill and into the floor. Use a hammer to pound 2-1/2″ hard-cut masonry nails through the pilot holes and into the floor.

Nail the wall frame to the walls on either side. If attaching to a concrete block wall, drill pilot holes and nail into the center of the concrete blocks, where the blocks are the strongest. Don’t nail into the joints between the blocks; it’s not secure. When attaching to a wood-frame wall, make sure to nail into a stud.

After the framing has been installed, cut the bottom plate to accept the new door. Use a handsaw to cut through the 2×4 plate right next to the trimmer studs. Protect floors from the saw blade with a scrap piece of plywood or a similar, thin material. Cut the plate, stopping about 1/8 inch from the floor, and use a chisel and hammer to finish the job.

 

 

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