24 Jun '13, 2am

Should I Insulate My Garage Door?

Two of the core questions an auditor asks during a home inspection are, “Where is the thermal boundary ?” and “Where is the nearest Dunkin’ Donuts?” (Those two questions run neck and neck.) The thermal boundary is the demarcation line for energy movement between the unconditioned exterior and conditioned interior air. This can be a bit fuzzy sometimes and one part of that fuzziness can be the garage door on an attached garage. To insulate or not to insulate? It’s odd when I find myself advising clients not to insulate, but that’s the case here. Normally, I can’t pile enough of the stuff in your house. Given my druthers, I’d probably spray 10 inches of closed-cell spray foam over your new dome house, add ventilation, and call it a day. But most folks are sticklers for windows and doors, so that won’t work. The question of garage doors comes up mostly in relation to attached...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/green-buil...

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