Access the attic using a stepladder at the attic access panel or the attic stairs.
How to build a knee wall in an attic.
Consult your local building code and inquire about any necessary permits before beginning any such project.
Mark the line that the angle forms along your 2x4.
Cut six lengths of 2x4 each 2 1 2 feet long.
Draw a line.
How to construct knee walls in attics.
Caulk all other holes or cracks or stuff with fiberglass batt insulation or spray foam.
To reduce air infiltration the u s.
The space behind.
Department of energy recommends that you complete several steps.
One of your 2x4s will act as the bottom of.
The knee wall will be built on the floor of the attic and then tipped into place against the rafters.
To build your walls to the correct length measure the angle of the rafter by laying a piece of 2x4 inch lumber against the side of the rafter in a vertical position.
Determine the location and line of the of the wall based on.
Use a template to determine the angle on each of those six pieces of 2x4.
Step 1 measure the attic.