A: Tash, the 6.5 R Value door is 1 3/8" thick. The 18.4 R Value door is 2" thick. Thanks for shopping The Home Depot, The Clopay Team
A: Hi Regina, The garage door can only help to maintain the air temperature already in the garage. The door does not heat or cool the air. The higher the R-Value the better the door works to maintain what is already in the garage. Thanks for shopping the Home Depot, the Clopay team
A: Hi Jamie, We recommend that you replace the torsion spring. In order to replace your door you will have to unwind the old torsion spring anyway. Also, torsion springs are very specific to the new door weight and track set and come with the door. Thanks for shopping the Home Depot, the Clopay team
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