But if you want the absolute best insulation value there is no approach to insulating a bonus room that tops spray foam insulation.
Bonus room over garage insulation.
The bonus room over the garage is a second story room which means without the proper insulation it is more prone to drafts coming through the windows and outlets.
The bonus room above the garage fits in between with what s known as knee walls running where the space to stand up or at least tuck in a bed or storage space runs out at the base of the sloped roof.
Tim healey as originally built above left the bonus room s air barrier allowed free airflow through the fiberglass insulation under the floor and in the walls.
It s a living space with an office in the corner.
The couch the dining table and the office desk are just there to fill up the room.
Chris from renovation semi pros explains the insulation cosiderations for a converting an attic space over the garage to conditioned finished space.
In some cases it s better to treat this type of space as an independent structure instead of.
To fix these issues let s take a look at the best way to insulate a bonus room above a garage.
By adding insulation between your garage and the upstairs bedroom and or improving the insulation against your attic knee walls you can bring the envelope surrounding that space up to par with the rest of.
Those drafts are caused when there isn t an air seal in the exterior walls and even the floor.
The ceiling is the one that will draw a lot of attention in this bonus room.
That room over your garage probably has a low quality envelope compared to the rest of your home especially when it comes to insulation.
And yes there are health concern issues associated with it.
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.
The author s repair above right created a rigid air barrier that air sealed the living space protected the floor and wall insulation from air infiltration and boosted the wall.
The space behind the knee walls which is often left accessible for storage may be the source of your problem.
A room over a garage may look the same inside but it is unlike most rooms in the rest of the house.