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Clippings by KimMills |
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RE: Insulating the underside of the ceiling between rafters (Follow-Up #2)
posted by: worthy on 10.29.2012 at 10:30 pm in Remodeling Forum will add an R value of 5
That's between the 4x6s. Interestingly, the 4x6s alone have an R value of 6.88. How about adding insulation to the walls? If you add insulation to the roof, consider going up to the Energy Star recommended R25-R38 for southern California. But before adding any insulation, tighten up the house. Loss of heated air through cracks, chimneys, vents and the like can account for 16% of heat loss. Here is a link that might be useful: ZIP Code Insulation Calculator NOTES: Very Nice Tip!!
clipped on: 11.12.2012 at 05:16 am last updated on: 11.12.2012 at 05:18 am
Check out your house for any cracks or vents |