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Insulation R Values: nbs fibrous glass
2003 to 2012
Insulation R-values and thermal conductivity data from NIST SRD 81 — covers fiberglass, foam, cellulose, mineral wool, and other building insulation materials
| material id | record id | date | delta t (F) | delta x (in) | density (lb/ft3) | description | form | k w mk (W/mK) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method | trade name | uncertainty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| nbs fibrous glass | 2003 | 9/8/1978 | 22.94 | 0.4843 | 10.18 | Lot 1959, ½ in., return for check | Board | 0.246 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 110.25 | 0.586292 | 0.103252 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2004 | 9/14/1978 | 24.09 | 0.9848 | 6.497 | Lot (?) | Board | 0.2188 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.15 | 0.659177 | 0.116088 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2005 | 10/17/1978 | 23.99 | 1.0359 | 7.373 | Lot (?) | Board | 0.2261 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75 | 0.637894 | 0.11234 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2007 | 12/7/1978 | 23.39 | 1.0302 | 7.4 | Lot 1970 | Board | 0.2366 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 101.45 | 0.609585 | 0.107354 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2008 | 12/11/1978 | 23.96 | 1.0302 | 7.4 | Lot 1970 | Board | 0.2259 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.94 | 0.638459 | 0.112439 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2009 | 12/12/1978 | 24.34 | 1.0348 | 7.367 | Lot 1970 | Board | 0.2128 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 40.78 | 0.677763 | 0.119361 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2010 | 12/18/1978 | 23.9 | 1.0333 | 7.479 | Lot (?) | Board | 0.2298 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.81 | 0.627624 | 0.110531 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2011 | 12/20/1978 | 24.52 | 1.0353 | 7.685 | Lot (?) | Board | 0.2258 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.37 | 0.638742 | 0.112489 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 2012 | 1/16/1979 | 24.25 | 1.0284 | 7.667 | Lot (?) | Board | 0.2281 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.23 | 0.632301 | 0.111355 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
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