Heaven only knows why the Jeep Designers decided to paint the hardtops BLACK with no insulation. They are very, very effective radiant heaters when the sun is out. So effective, in fact, that the A/C cannot begin to keep up... so I put in some insulation. Thought I'd share the approach:
materials: 3/16" foam core 4'X8'; 1/8" foil insulation from hardware store 4' X 8'; 3M spray on adhesive; velcro adhesive backed.
* cut a panel for each of the front hardtop sections from the foam core board
* taper the edge
* cut a corresponding piece of the foil insulation about 3/4" smaller than the foam core board
* clean surfaces with alcohol
* spray the 3M adhesive on the foil, make sure to use the correct side...
* join the foil to the foam core, let it cure for 45 minutes
* clean again with alcohol and clean the inside of the hardtop
* put velcro on foil in spots where it will adhere to the lowest rib of the hardtop
* press the assembly in place... easier for the front hardtop sections
* cut the back hard top foam core board into two pieces... down the middle works since you cannot install without removing the hard top completely
* repeat for the rear section of the hardtop
* get some white tape to cover the joint if desired.
Great idea... looks like a project for me once our Jeep arrives!
Wonder how well the Velcro will hold up once it sits in the heat for a while... those panels you made can't weigh much, so it may be alright. Probably would become a problem if you added any sort of fabric cover which would be added weight.
Thanks for posting this!
I have to wonder if the inside of the 2011 top will be white as well... we are getting the painted top on the Sahara... not likely the interior is painted would be my guess.
Does this deaden noise from outside at all too?
I'm happy so far and my DW even says that it looks like the "factory" installed it. I don't know about that but it's ok. I think the foil really reflects the heat away from the interior.
Thanks to Taoshum's DIY project, I finally started on mine. Mike, who owns a four door JK loaned me his hard top front pieces for me to fabricate the insulation. I like the flexibility of having extra pair of hard top panels so I can work inside the house (still tooo hot outside).
I chose 1/2" form insulation from Home Depot.
Here, I am making a pattern using vanilla folders:
Tracing the pattern before cutting:
Insulation has been cut and fitted to roof top panels:
Next step would be to go get foil insulation from lowes tomorrow. I gotta do something about the pink color. I will either glue on roof headliner material or put some white paint on the bottom side...
Or you could get a more powerful AC
No, gotta insulate. The hot radiating heat from hard/soft top will put you to sleep on a long drive to Moab.
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