Garage door insulation.

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Forum topic by RibsBrisket4me posted 12-10-2012 03:10 PM 1672 views 0 times favorited 21 replies Add to Favorites Watch
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1554 posts in 2681 days

12-10-2012 03:10 PM

Topic tags/keywords: garage door insulation

I live in Texas, so heat is more of an issue than cold. I have a thin, el-cheapo alum. garage door. I decided to invest @ 60 dollars in those 1.5 inch foam insulation sheets at the big box and cut them to fit my door. It took me less than an hour. So far it has made a difference in dampening the noise, as my neighbors houses are VERY close and we all know running a lunch box planer is loud.

Today I noted the effect on temperature.

This AM it was 36 degrees outside and 58 degrees in my garage.

I have to say that is pretty good bang for the buck!

21 replies so far

View bluekingfisher's profile


1284 posts in 3155 days

#1 posted 12-10-2012 03:35 PM

Happy days – Iused 75mm (3”) polystrene boards between the framing studs and 18mm ply sheathing in my shop. Works for me too and I don’t have angry neighbours banging on the shop door.

Nice touch

-- No one plans to fail, they just, just fail to plan

View RVroman's profile


163 posts in 2199 days

#2 posted 12-10-2012 03:36 PM

I did that and then added thin reflective “insulation” over the foam. Made a huge difference in both heat and cold. Last night it was 5 degrees outside and I was able to maintain a constant 65 in the garage with my heater on its lowest setting. I did insulate the walls and ceiling with standard insulation as well. Also the noise difference was amazing.

-- Robert --- making toothpicks one 3x3x12 blank at a time!

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13635 posts in 3516 days

#3 posted 12-10-2012 03:48 PM

well done

with good insulation – you save on it forever

without – you pay for it forever

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View Joe Lyddon's profile

Joe Lyddon

10299 posts in 4227 days

#4 posted 12-10-2012 04:51 PM


That’s better than I thought it would be!

Thanks for the report!

I was in HD not too long ago & just happen to notice they had KITS for that… for about $59-$60… sounds like the same thing… precut one way but have to trim to fit the other…

Was there glue included in the kit? What kind was it?

Now that I know it’s worth doing, I think I will work it in… when I can…

Thanks again!

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: ... My Small Gallery:"

View RibsBrisket4me's profile


1554 posts in 2681 days

#5 posted 12-10-2012 05:01 PM

David…never thought of it that way, but you are correct.

Joe, with my door, I have “ledges, or lips” for each section…cut to size and pop in…no glue.

I actually cut it with my table saw HAHA>

View MedicKen's profile


1615 posts in 3637 days

#6 posted 12-10-2012 05:08 PM

You might also consider insulating the attic space above the garage as well. I did and it has kept it very warm in the winter as well as help cool in the hot summers here

-- My job is to give my kids things to discuss with their

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Joe Lyddon

10299 posts in 4227 days

#7 posted 12-10-2012 05:13 PM

My door has the same type of Lips… (I think)

... sounds like they will pop into my door too…

... sounds like a piece of cake to install!


Thank you.

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: ... My Small Gallery:"

View DIYaholic's profile


19660 posts in 2850 days

#8 posted 12-10-2012 10:55 PM

Gotta love quick & easy fixes, that pay multiple dividends well into the future!!!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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7739 posts in 2182 days

#9 posted 12-10-2012 11:02 PM

I did the same thing … works well

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View Jim Finn's profile

Jim Finn

2684 posts in 3097 days

#10 posted 12-10-2012 11:17 PM

I am in west Texas and it gets hot here! Insulation sure helps. I did the same as Bullethead did. It makes the operation of the door, quiter also.

-- No PHD just a DD214 Website>

View Roger's profile


20949 posts in 2979 days

#11 posted 12-13-2012 01:47 AM

I used silicon to stick em on my garage door. I figure it has to do more help than not.

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed.

View Chris 's profile


1879 posts in 4166 days

#12 posted 12-13-2012 01:52 AM


I live in Florida and I bought a kit for my Garage door from Texas Garages. They shipped the all the materials needed and the web site is pretty darned informative.

-- "Everything that is great and inspiring is created by the individual who labors in freedom" -- Albert Einstein

View Moron's profile


5032 posts in 4069 days

#13 posted 12-13-2012 02:26 AM


if you tape poly to the door, on top of the rigid insulation…..betting you retain even cooler temps

-- "Good artists borrow, great artists steal”…..Picasso

View Moron's profile


5032 posts in 4069 days

#14 posted 12-13-2012 02:32 AM

tape the edges

b4 you apply the poly (really in-expensive) run a bead of PL glue around, use a pan head screw and screw through the poly and Pl beneath, into the rigid insulation……let set, ………its like a walk in beer cooler door… and makes a huge difference in, not only the temperature but the energy savings.

-- "Good artists borrow, great artists steal”…..Picasso

View MashMaster's profile


134 posts in 2835 days

#15 posted 12-13-2012 03:06 AM

I live in Texas and got the kits for my doors from Lowes and they fit into the channels of my doors. They do a good job. I also insulated the attic above the garage and it works.

The only issue I have is that the garage also retains too much heat. I need to figure a way to cool it off, I was looking at the Anyone tried that?

-- - Dave ; Austin, TX

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