Attic Truss Knee Wall

This is the end wall of the attic above my garage.

Attic truss knee wall. The structure must be wide enough and the roof steep enough to allow space for a loft area with attic rooms on either side of it. Although kneewalls can help turn attics into living space they often present insulation challenges. Kneewalls short walls under sloped ceilings are common in story and a half homes and in bonus rooms above garages. The knee wall forms the wall of the attic room and it also creates an enclosed space under the eaves behind the wall.

In most instances they are no taller than 3 feet but some builders may custom fit them according to the roof s shape and size. Through the floor joist. For the 50 foot long room you ll need about 24 trusses. If that s the case i can build a truss that is identical to what you have in mind.

You can see the image below for an example of a knee wall. The loft area must have attic rooms on both sides and must be separated from these attic rooms by knee walls. The floor of the room with the knee wall is typically connected to the attic. First off let s learn a little theory for your house and the knee walls.

My guess is that the national average for an attic truss that will create the space we just described will cost you about 100 more than a regular common truss. I can match that no problem. If you aren t sure whether or not your attic contains knee walls go and look around the edges. How much extra money do attic trusses cost.

Support and follow me. In order to create an attic truss certain conditions must be met in the plan. These prices change with the demand for lumber. Most builders install fiberglass batts between the studs and some type of blown insulation between the floor joists.

What are knee walls. This is the obvious part especially if there is no insulation in them. I didn t build this house but the architect did everyone a favor by making the vast space above the 40 foot long garage out of attic trusses. This is 2 400 plus the cost of the.

Knee walls are short usually wooden walls installed around the sides of an attic where the rafters meet the floor. 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. Knee walls leak heat in at least 2 ways. The space behind the.

The space is 12 feet wide and ceiling height is 8 feet.