My bedroom is over my garage. The bedroom stays cold in the winter and hot
in the summer.
I want to have a layer of solid insulation put up on the ceiling in the
Has anyone done this and if so did it help very much?
What RF factor insulation would you recommend?
Is the ceiling presently sheetrock? If so, look at some blown in
insulation if there is none in there now. If you use foam panels on the
outside, it should be covered with sheetrock to meet code. As for R value,
as much as you can.
I'm not trying to scare you, just pointing out something I saw on
Holmes on Homes...
The family had a room over a garage that was always cold. Insulating
the underside of the garage ceiling wouldn't have helped because of the
way the builder framed and insulated the house. There were open spaces
where the garage met the house that allowed air to travel up under the
floor of the room and along the spaces where the ductwork ran. This let
lots of cold air into the room. They had to open up the garage walls
and ceilings and insulate all of the open cavities to stop the air
Also keep in mind that exposed insulation in a garage might be a
serious fire/toxic fume hazard. I'd guess it wouldn't meet code, if
that type of thing concerns you.
I too have a bedroom over an unheated garage. So I'm interested in
your thought patern, and have questions:
1. What year was your house build?
2. Do you have finished garage walls?
tom @ www.YourMoneyMakingIdeas.com
1. Does the garage have a ceiling? if so what is it.
If sheet rock I would determine which way the joists are
running and drill 1 7/8" hole in ajoist cavity. I would use a probe to
find out if the the cavity is in fact empty. If so countinue to drill
7/8" holes every 5' in every cavity. Before blowing cellulose into the
cavities check to make sure the cavities are not open to living space,
if so block w/ fiberglass. Also make sure there are no heat producing
sources, such as a chimminy or "can" lighting.
You will want to fill these cavities on the highest presure setting
on the machine to achive a dense pack in the cavities.
2. Are the walls and the attick space of your bed room
insulated? If you are not sure drill a hole in a claset wall to
explore. Take a look up in the attic to see if you have insulation up
As far as recomended R values go. The DOE recomends an R-38 in open
attics and in walls and restricted spaces they recomend 3.5 pounds,
blown density per cubic foot
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