23 Jan '12, 2am

I have a 50 year old home with a vented slate roof. The HVAC system is in the attic.....not efficient. ... #green

I have a 50 year old home with a vented slate roof. The HVAC system is in the attic.....not efficient. Is it reasonable to spray foam the attic ceiling below the slates, and seal the attic? I'm trying to make the home more comfortable and save money on

Full article: http://www.greenbuildingadvisor.com/community/forum/gba-p...

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@JohnCornyn required reading for any politician:

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Sam Ortega, manager of the NASA Centennial Challenges Program, leads progressive aerospace initiatives, encouraging the pa...