If your attic space is framed with rafters and is unfinished, it has a triangular shape.
How To Insulate Knee Wall Attic. If your attic space is framed with rafters and is unfinished, it has a triangular shape. The problem with knee walls is that, for the most part, the space behind them remains unconditioned and the knee walls themselves are often poorly insulated.
28 best images about basement/foundation insulation on ... from s-media-cache-ak0.pinimg.com
You'll want to buy enough batting to lay at least 10 to 14 inches over the. Not sure where exactly to insulate? Knee walls are notoriously leaky and often poorly insulated.
Before insulating, seal all possible leaking to insulate, use rigid foam insulation along the after space of the sloping ceiling (option 1, image below).
Now we're doing the knee walls. If you have a room with walls connected to the attic, you may have comfort problems because of a weak building envelope. Not sure where exactly to insulate? In a perfect world, you'd hire an energy auditor to tell you exactly how much protection you're getting from the few inches of attic insulation you may already have and to pinpoint things like air leaks that you can seal to make sure your insulation will do its job.
