Havelock Wool – 100% Wool Batt Insulation

Havelock Wool – 100% Wool Batt Insulation

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Why use Havelock Wool?

Havelock sources only the best fibers for use in their wool insulation. These decisions are driven by time, experience, science and technology. The fibers we use are a certain dynamic – we shear them from a specific breed of sheep best
 suited for insulation. This insulation isn’t made from wool scraps. Instead, Havelock processes high quality wool fibers through their proprietary manufacturing process. This yields a uniform, high-performance, long-lasting product.

Why Wool Insulation?

  • Filters air and improves indoor air quality – harmful chemicals are in your walls. The amino acids in wool irreversibly bond with formaldehyde, NOₓ and SO2 on a molecular level.
  • Moisture and climate control – moisture and mold happens in your walls. Wool absorbs and adsorbs it against 65% relative humidity.
  • Suppresses mold and mildew – natural keratin prevents against the spread of mold and mildew.
  • Absorbs sound – wool exceeds other forms of insulation as an acoustic buffer.
  • Thermal conductivity – wool batts are industry standard at 3.6 per inch; loose-fill outperforms at 4.3 per inch.
  • Resists fire – wool will not support a flame below 1100F; conforms to Class A of the ASTM E84 test.
  • All natural – wool insulation is entirely renewable and sustainable.
  • Long lasting – inherent characteristics allow stated R-values to exceed other forms of insulation.
  • No off-gassing – natural characteristics make the insulation devoid of harmful chemicals.
  • Installs easily – blow-in and batts are installed like other mediums but with no protection required.

Wool Improves Indoor Air Quality

The inherent construct of a wool fiber traps air and in turn insulates your home. It also does much more. Wool insulation removes dust particles which may contain harmful chemicals such as formaldehyde, nitrogen oxide and sulphur dioxide. Amino acids in wool irreversibly bond with these chemicals in both a chemical and physical manner. The former, called chemisorption is ~80% of the bond and is irreversible; the balance is physisorption and only unwinds at extreme temperature or moisture levels. No other type of insulation offers these unique capabilities. On the contrary, most conventional insulation mediums are emitting or ‘off-gassing’ harmful chemicals. This can lead to adverse health effects and reduced indoor air quality.

Wool Manages Moisture

Wool fibers inherently manage moisture, absorbing and releasing it against 65% relative humidity. This allows for condensation to be minimized as wool generates heat from energy, thus making it warm when wet. Equally important, wool is a keratin and therefore will not support the growth of mold. These characteristics, on their own, make wool an outperformer as an insulator; on a relative basis it stands in a league of its own.

Sound Absorption

Visco-elastic properties of a wool fiber assist in the conversion of sound energy to heat. What’s more, a wool fiber is unique in its ability to simultaneously reduce air born sound, surface noise and sound transmission.

Resistance to Compression

Resistance to compression (R to C) is the force per unit area required to compress a fixed mass of wool to a fixed volume. The resistance to compression is related to fiber diameter and the form and frequency of crimp. For instance, high R to C wools have a harsher handle, are resistant to felting and are bulkier. Studies show the majority of wool finer than 28 as being in the middle resistance-to-compression range (53%). On the other hand, some 73 percent of the wool coarser than 28 micron was evaluated to be highly resistant to compression. Havelockwool is >35 micron.

Sheep Wool Insulation R-Value

R-value denotes resistance to heat flow. The higher an insulation’s R-value, the greater its insulating power. Sheep wool insulation R-value equals or often surpasses that of other insulation materials. Havelock Wool offers both wool batt and blow-in insulation. The R-values of each product are 3.6 per-inch and 4.3 per-inch respectively.
The extremely high integrity of a wool fiber allows it to outperform the synthetic competition, while decreasing impact on the environment.

 

Weight 35 lbs
Dimensions 36 × 20 × 25 in
R-Value

R-7, R-13, R20

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