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So I insulated my garage door last night...

HomeBrewerDude

HomeBrewerDude

Lifer
took a couple of hours. Added a plastic thing that stops air from coming UNDER the door, and some new stripping all around the door to seal out the air. Made a big difference! hopefully my heat bill won't be $250 again!
 
Hmm, does this really help? Our garage walls that split the house/garage are insulated. So, I don't think it would help us.

Not with like 50 single pane windows in the rest of the house that let heat escape.
 
I fixed my garage door last weekend, now we can open and close it. As for a air tight seal, I need to worry about the ceiling first.
 
YEah i could feel air coming in before, and couldn't after. ITS got to help some... getting cold here again today. 🙁

Edit: I am talking about the door from the house to the garage, not the big garage door
 
I don't have a garage, but my dad's garage isn't attached to the house, and it's got a wood burning stoe in it for heat.
 
Originally posted by: yamahaXS
took a couple of hours. Added a plastic thing that stops air from coming UNDER the door, and some new stripping all around the door to seal out the air. Made a big difference! hopefully my heat bill won't be $250 again!
Click to expand...

your garage is heated? why not shut off/cover up the vents that heat it? heat will still escape when you open the bigass door....unless you use your garage as a storage area instead of for a car...

 
Insulating a garage does more than most people think. For about $30 you can get the bottom bulb seal and the side swipes. they make a huge difference in the heat that is retained in your garage. If living space is over the garage or abutts tot he garage, the savings in heat loss will be aparent on your bill. Around here in Northern IL, you can save in the range of $80-100 a year by doing this. granted, it is not a ton, but it will make a difference, and you will get your money back.

<edit>
Edit: I am talking about the door from the house to the garage, not the big garage door
Click to expand...
Oh. Well, I wasn't 🙂. Insulationg that entry door will make a larger difference than insulationg your garage door though. Insulationg that entry door is also much easier than your garage door. The foam may cosy $5 and the bottom sweep (that is what it is called, a sweep) may cost $10 for a good one. Unfortunately, I do not have numbers for what you could save by doing that. I could estimate your savings baised on a new door, but not that 🙁 All hell, you will save some at least 😛
 
Insulating your garage door with little styrofoam panels they sell at Lowe's will help alot. Especially if the door is your typical thin-sheet-metal roll-up door. It's one of the best $10 home improvements you'll ever make. Also check around the door and make sure the side and bottom gaskets make good contact to prevent air leaks.

If you can spare ~3 inches on the garage's walls, you might also consider insulating the walls this summer. A 2" foam panel has an R-value of 10. It's more expensive than fiberglass insulation but it needs less than half the thickness. Mount the foam board to your existing garage walls (only need to worry about exterior walls if it's an attached garage) then mount drywall over it. It's alot like finishing a basement.

If you do that and it's an attached garage, the temps inside the garage will stay above freezing even when the outside temps fall below zero. One morning couple weeks ago it was -4F outside and the garage was warm enough I couldn't see my breath.

 
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