How to construct knee walls in attics 1.
Building a knee wall in attic.
Determine the length of the knee wall from end to end and double this to determine the lineal footage of the.
Use a miter.
A knee wall is a short vertical wall roughly two or three feet high that blocks in that useless triangular space.
One of your 2x4s.
Instructions the knee wall will be built on the floor of the attic and then tipped into place against the rafters.
Install insulation without misalignments compressions gaps or voids in all knee wall cavities.
Scope install a top and bottom plate or blocking at the top and bottom of all knee wall cavities.
Snap a chalk line.
Draw a line across that angle.
Support and follow me.
The higher the knee wall the greater the amount of useful wall space you create in your finished attic.
Install a continuous air barrier on the exterior side of the attic knee wall framing with a rigid air.
Framing basics for attic knee walls along the sides of your loft or attic space.
Use a template to determine the angle on each of those six pieces of 2x4.
Access the attic using a stepladder at the attic access panel or the attic stairs.