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Johns Manville fiber glass formaldehyde free wall insulation is the installers choice of insulation. It is low odor and low in toxins because it is formaldehyde free. It is also made from 20% post-consumer recycled material, making it better for the environment too!
Unfaced wall batts are effective when controlling heat flow to the exterior, unwanted noise in internal walls, and to assist with moisture control, a separate vapor retarder can be applied. All Johns Manville Unfaced insulation products are made of naturally white, Formaldehyde-free™ fiber glass, lowering environmental concerns, including the risks of poor indoor air quality and the effects of manufacturing on the environment.
SPECIFICATION COMPLIANCE
AS/NZS 4859.1 for thermal performance
AS1530.1/1994 = Non-combustible as per CSIRO report F-11-054 from 22 September 2011
AS1530.3/1994 = 0;0;0;1 (as per CSIRO report F-11-054 from 22 September 2011) ASTM C665, Type I
ASTM E136 = Noncombustible
ASTM E84 = Flame Spread = 10 / Smoke Developed = 10
ASTM C1104 = Water Vapor Absorption = Less than 5% by weight
ASTM C665 = Noncorrosive
ASTM C1338 = Does not support microbial growth
PRODUCT CHARACTERISTICS
| R-Value* | Thickness mm | Width mm | Length mm | Batts/ Bag | m2 / Bag | Bags/ Unit | m2 / Unit | Units/ Container | m2 / Container |
|---|---|---|---|---|---|---|---|---|---|
| 1.5 | 75 | 432 | 1,164 | 42 | 21.12 | 5 | 105.60 | 100 | 10,560 |
| 1.5 | 75 | 584 | 1,164 | 42 | 28.55 | 5 | 142.75 | 80 | 11,420 |
| 2.0 | 90 | 432 | 1,164 | 27 | 13.58 | 5 | 67.88 | 100 | 6,788 |
| 2.0 | 90 | 584 | 1,164 | 32 | 21.75 | 4 | 87.01 | 80 | 6,961 |
*m2K/W at 23O C.
Compliant with Australian Standard AS/NZS 4859.1:2000
![]() | Data Sheet | ![]() | MSDS Sheet | ![]() | Biosolubility |









