Garage Remodel #18: Garage Door finally insulated!

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Blog entry by Holbs posted 01-01-2017 02:47 AM 977 reads 0 times favorited 2 comments Add to Favorites Watch
« Part 17: Reznor installed and operational Part 18 of Garage Remodel series no next part

Finished another much needed project for my garage/shop: insulating my 2 car garage door. I used the highly recommended RMAX Thermo-Something 1.5” rigid iso foam giving a R value of 9.5’ish with the heat reflective foil. $25’ish at Home Depot and I have to use 4 sheets. If you are in driving range of the 3 RMAX manufacturing locations (I took picture below), you can actually drive in person and get a 4×8 sheet for 75% off the damaged or not visually appealing ones! But call ahead of time because contractor business folk love this as well and snag things up. I added 7-8lbs per sheet to my garage door so now I have to hire garage door folks to adjust the door spring (I can do a DIY but I’ll leave this to the pro’s).
This is not the white balled styrofoam. This is iso-something foam. Very rigid, so much that I couldn’t figure out how to bend it even a little to slide into my door panels. Ended up cutting panel in half and compressing both halves together for a snug fit. My door frame channels are almost “U” shaped so had to figure out how to get the insulation in there. Went with cutting in half and manually putting one in and then another. This is all friction fit. No panels are loose fitted. But I may do some strapping or hold down wire here and there. Will find out after door spring is adjusted and open/close the door a couple times to see if anything is loose after use.

-- The Carpenter Bee is derived from the Ancient Greek word wood-cutter "xylokopos/ξυλοκὀπος"

2 comments so far

View Roger's profile


21030 posts in 3412 days

#1 posted 01-01-2017 10:30 PM

That should help quite a bit

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. [email protected]

View RibsBrisket4me's profile


1554 posts in 3113 days

#2 posted 01-02-2017 03:03 AM

An insulated garage door is really a good investment. I did mine a few years ago and it was an inexpensive, but worthwhile shop upgrade.

I live in Texas and in the summer I could literally fell the heat coming off the door. The insulation usually reduced the temp in the shop by 8-10 degrees easily.

The other added bonus is the sound deadening. I have a neighbor pretty close to me and when I use my planer I try to ensure my garage door is closed, and it really keeps the noise down and keeps my neighbor happy.

I’m sure you will reap the rewards of this upgrade for years to come.

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