But you do so at the expense of floor space.
Attic room knee wall height.
Yesterday i was doing a home energy rating for quality assurance in augusta georgia and the house i was in had a bonus room.
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.
You can see the image below for an example of a knee wall.
The short wall creates a usable room within the attic while eliminating spaces of the wrong shape or size.
As is the case with other types of short walls these walls are also sometimes called pony walls.
This generally fits areas such as under the eaves of roof lines.
This wall is prevalent wherever there are ceiling height changes in the space below such as having a room with 12 foot ceilings next to a room with 10 foot ceilings or in a space with coffered ceilings where very short knee walls may exist or the separation between a cathedral ceiling and an adjacent flat ceiling where the height of the knee wall may go from nothing to three or four feet and often in a situation where there is an attic adjacent to second story space where part of the.
Knee walls the walls that separate conditioned from unconditioned space in an attic can be a source of significant air leakage if a continuous air barrier is not provided to prevent unconditioned air from flowing under the knee wall and under the floor boards of the attic room.
Bonus rooms are often the least comfortable room in a house and the main reason is that they are the most flawed part of the building envelope especially the attic kneewalls.
Knee walls are short usually wooden walls installed around the sides of an attic where the rafters meet the floor.
The higher the knee wall the greater the amount of useful wall space you create in your finished attic.
Knee walls may support counters or bars and a half height knee wall that borders a stairway and follows the slope of the stairs can function as a stair rail.