Framing An Attic Knee Wall

Cover the whole wall.

Framing an attic knee wall.

Support and follow me. Positioning the knee walls close to the exterior walls of the building will increase the area of the attic space but will make the knee wall shorter. Cut six lengths of 2x4 each 2 1 2 feet long. Use a miter.

Hold up to the rafter a scrap piece of 2 by 4 lumber a few inches longer than the planned knee wall height. Push it straight back until it s flush with the finished wall surface. Framing basics for attic knee walls along the sides of your loft or attic space. The knee wall forms the wall of the attic room and it also creates an enclosed space under the eaves behind the wall.

Sheathe the kneewall during framing. Here are the three keys to sheathing an attic kneewall properly. Instructions the knee wall will be built on the floor of the attic and then tipped into place against the rafters. Measure and mark the rafters at each end of the attic with the desired height of the knee wall.

1 a continuous air barrier can be installed on the exterior of the kneewall framing from the top of the knee wall down to the attic floor including the spaces between the attic floor joists from the bottom of the knee wall to the ceiling deck below or 2 a continuous air barrier can be installed along the underside of the attic roofline from the top of the knee wall to the top plate of the home s exterior wall. Moving the wall close to the center of the. Use a template to determine the angle on each of those six pieces of 2x4. Screw two support braces to the attic floor right behind the knee wall.

Draw a line across that angle. One of your 2x4s. Step 9 insert dresser photo by geoffrey gross. Seal all the edges penetrations and seams.

Build the supports out of 2x4s making sure they re flush with the sill of the cutout. Unlike other kinds of knee walls this kind of wall extends all the way to the rafters but because of the slope of the roof it is shorter than a full height wall. Ideally confirm that the marks are level with. Set the chest onto the sill and slide it into the hole in the wall.