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Handyman: Insulation questions

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Forum: HandymanReplies: 3, Views: 50
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Nauvoo, AL
(Zone 7a)

June 30, 2011
11:48 AM

Post #8664388

I am seriously curious if Two sheets of black board insulation nailed tightly to the wall is better than the R-30 wall insulation?
This black board insulation seems to hold out the cold air really well and it definitely holds in the heat.
Missouri City, TX

August 9, 2011
8:18 AM

Post #8746390

Sorry I did not see this before.

Have you checked with the manufacturer to see what the R-rating of the black material is?
Nauvoo, AL
(Zone 7a)

August 9, 2011
10:36 AM

Post #8746644

No. I just assumed that some building contractors would already know or it was possible that like some other materials that it has never been given a rating==such as some wood is not rated but has good insulation value. And I actually ment to say R-13 and not R-30. And one of the biggest problems with finding out if any one already knows how well the insulation black board holds in heat, everyone seems to be bound to regular insulation due to building codes which means not very many have tried and experienced the black board sheeting.
Thank you for helping.
Nauvoo, AL
(Zone 7a)

August 9, 2011
10:40 AM

Post #8746649

black board insulation has a rating of 1.5 to 2 depending on which brand you use.
BUT= for example. Landscape timbers have a low rating of 2.5 but holds in heat just as well as regular R-13 insulation.
(for those who built a landscape timber log cabin or shop)

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