Attic Bonus Room Insulation

Bonus room knee wall insulation considerations.

Attic bonus room insulation.

Many new homes now include an unfinished room above the garage called a bonus room. A bonus room isn t such a bonus when it lacks insulation. This is a small unconditioned area that usually runs along one or two sides of the bonus room. When building my current home i was faced with a dilemma on how to insulate a bonus room that would be upstairs.

Best way to insulate a bonus room over a garage. The space is generally shaped like a triangle making movement through the space difficult. In the photo at left the kneewall is the short wall with the door in it. To fix these issues let s take a look at the best way to insulate a bonus room above a garage.

Depending on the room s exact location commonly in an attic or basement and sometimes over the garage there s likely some. These rooms can be completed in a variety of ways to provide additional l. There are more than a few challenges when it comes to utilization of attic space for a bonus 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.

The airflow in the ducts suffers from friction losses and the air loses heat to the cold attic space as it makes its way to the room. The best way to insulate the finished room over the garage is going to be just like any other room in your house insulate the exterior walls the ceiling or attic and the floor. Often the r value of fiberglass insulation is too low and requires the rafters to be retrofitted making foam board a better choice. The problem with many kneewalls is that they have fiberglass batt insulation with nothing.

So after we seal up the insulated air barrier for the bonus room knee wall we install a thick blanket of cellulose insulation around the duct. Attic bonus rooms seem to be the rage hansen pole buildings does more than a few of these and the trend seems to be increasing in popularity. With this comes how to properly insulate an attic bonus room.