[crash]

Originally Posted by tophcfa

Save the money on insulation and put it towards an overhead screen door for the garage and use that instead of your garage door during the hotter months. We love ours, plus it goes up and down much quieter and quicker that the garage door and we can see out but passers by can’t see in : )

Will increase air flow but won’t help with the temperature just brings in hot air.

[HawkinsGuy]

Thanks all for the information. I’m going to insulate the doors first and eventually install the screens.

[Emmakrock@yahoo.com]

Yes we did both and it really helped.Wish we did earlier

[merrymini]

Just did the insulation on the interior of the doors with a product purchased on line. No adhesive and did it myself in about 2 hours. Did lower the temperature enough to make it much more comfortable. Opening the window does pretty much nothing. Many of the other solutions, like poking holes in the door, attic fan, etc do seem worth it to me. If you use the garage as a work area, pony up the money and get a split for the most comfort.

[NoMo50]

Keep in mind that if you put up a radiant barrier in your attic, it will likely kill your cell phone reception. Not much of an issue if you use WiFi inside your home. But...if you lose power, or otherwise lose your WiFi signal, your cell phone probably won't work inside the house.

[Jam94]

For those that added the automatic roll down screen garage doors, who did installation or did you contract?

[kcrazorbackfan]

Originally Posted by HawkinsGuy

Is insulating the garage doors an effective method to lower the temperature in the garage? We have thought about installing an attic fan as well but the boss is a bit concerned about poking a hole in the roof and is also wondering if hurricane force winds will dislodge the fan and will leak. We’ve also thought about adding insulation above the garage to help. I’ve seen the thermal roof barrier too. Does that “cook” the roof shingles by redirecting the heat back into the shingles?

The Solar Guys put a exhaust fan in our garage ceiling and vented our garage doors; it’s big enough that it pushes the hot air out of the attic through the eaves and the existing vents in the roof.

[Fastskiguy]

Originally Posted by bobeaston

1. The garage door insulation (radiant barrier reflective foil) virtually stopped the pizza oven effect of sun on dark brown heating. That alone kept the garage from heating up beyond outside air temp. BTW, I kept a set of measurements of surface tempos before and after and could show inside surface temps up to 145 degrees. No longer.

I have a black south facing garage door and it also measured 145 degrees (!) I don't have numbers after insulating....but it's much cooler. Still gets hot as hell in the garage though but not quite as hot.

Joe

[Bellavita]

we added barrier on garage doors as well as more insulation in attic. WE have have trees which help so much. I let cool air in the garage in the morning and keep the doors shut during the day. It is much cooler, but then we have trees.

As far as the builder not putting in the insulation ...they save money not you.

I cry each time someone cuts down an oak tree that provides much needed shade for a home to use less electricity and stay way cooler. While some people were taking them out I was planting more. I will rake up no problem to save on my use of power.

My advise yes insulate. BTW my garage faces harsh west sun

[vintageogauge]

Originally Posted by retiredguy123

In my opinion, insulating any unconditioned space will not provide much benefit. Insulation will only slow down the heat transfer process. But, unless the garage space is conditioned, the inside and outside temperatures will eventually reach a state of temperature equilibrium. That is why builders never insulate unconditioned spaces.

Air temperature yes but where the door insulation helps is the heat that the sun radiates on the doors. I did mine with Owen Cornings glass along with the attic fan and it made a difference right away and also made it more quiet in the garage. I would do it again if I were to move to another home.

[patfla06]

Our garage faces West so first we added insulation to the door.
Then we had a fan installed ( not solar ) and then added some
insulation. All of this made it much better.

The fan was fine during Hurricane Irma.

[Boffin]

Originally Posted by NoMo50

Keep in mind that if you put up a radiant barrier in your attic, it will likely kill your cell phone reception. Not much of an issue if you use WiFi inside your home. But...if you lose power, or otherwise lose your WiFi signal, your cell phone probably won't work inside the house.

Nope. Not so.

[bobeaston]

Originally Posted by Jam94

For those that added the automatic roll down screen garage doors, who did installation or did you contract?

RK Sunshades - Rick is the best!

[photo1902]

Originally Posted by kcrazorbackfan

The Solar Guys put a exhaust fan in our garage ceiling and vented our garage doors; it’s big enough that it pushes the hot air out of the attic through the eaves and the existing vents in the roof.

Interesting. I was led to believe that a garage ceiling cannot have an opening or ductwork that vents directly into the attic. Does yours have a fire-rated door on it?

[Captainpd]

Originally Posted by PJOHNS2654

I added insulation above the garage (there was none there) and insulation panels to garage door. The garage temperature now is 6 to 8 degrees different than air conditioned or heated house.

That is so wrong. Not even worth explaining. If you keep your house at 76 there is no way in hell that the garage is going to be 84