Quote:
Originally Posted by VintageGirl
What is the advantage of using an insulated register box/boot versus a non-insulated register box? Does the insulation in the boxes deteriorate when they get old?
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What is the advantage of using an insulated anything?
And yes.... everything deteriorates as it gets old.
Why use one? From a builders standpoint, that is someone who generally won't spend a dime if a nickle will get the job done...
it was likely either no cost difference to them or they were told they needed to us these fittings.