Havelock Wool Window and Door Insulation

Rated 5.0 out of 5
Based on 1 review
$48.00
  • Sustainable, healthy, high-performance loose-fill insulation for window and door jams.
  • Box weight: 2 lbs.  Suitable for ~21 windows @36x60" with avg gap of 3/8-1".
  • Best practice includes air-sealing with adhesive tape.
  • Shipping is free
Qty:
  • Exceptional R-Value of 4.3 per inch
  • Fast, easy and safe installation with no special protective clothing required.
  • Class A rated for Fire Resistance and Smoke Development.
  • Treated with boric acid to resist insects.
  • Does not support the growth of mold.
  • Proper air sealing is achieved with airtight adhesive tape


Simply stuff Havelock Wool inside all gaps around windows and doors. Proper air sealing is achieved with airtight adhesive tape.

  • Free Fedex shipping is included with each box.
  • Allow up to 5 business days for your package to arrive once ordered.
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average rating 5.0 out of 5
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by Stepha
I recommend this product
Rated 5 out of 5
Review posted

5 Stars

Great product.

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