Determine the angle of rafters by setting the scrap piece of 2x4 in a vertical position against the side of a rafter.
Attic knee wall framing.
The knee wall will be built on the floor of the attic and then tipped into place against the rafters.
Framing an attic knee wall july 16 2018 by zamira leave a comment remodel your attic e extreme how to how to sheathe an attic kneewall and when to install a knee wall in your attic hidden door knee wall ana white framing attic knee walls how to frame.
There are two ways to block off this air flow.
One of your 2x4s will act as the bottom of your wall and will not be cut.
Framing basics for attic knee walls along the sides of your loft or attic space.
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.
The knee wall in an attic drops down from the rafter to hide the pointed angle where the rafter meets the attic floor and to make the attic feel a bit more like a regular room.