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Havelock Wool Window and Door Insulation

SKU: 2LB-WINDOW-BOX
Regular price $48.00
Unit price
per
5.0 (2)

Havelock Wool Window and Door Insulation

SKU: 2LB-WINDOW-BOX
Regular price $48.00
Unit price
per
5.0 (2)
  • 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
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Highly-rated

Natural Versatility

From stuffing small gaps to finishing a build, these products bring wool’s natural performance to a wide range of use cases. Whether you need a custom solution or an added layer of comfort, these tools support smarter, cleaner insulation.

Safe, Simple Solutions

Like all of our insulation, these products are safe to handle and free from added toxins. They are designed for ease of use and built to support healthier, high-performing spaces of every size.

HAVELOCK

Wool Insulation Products

Looking beyond traditional insulation? See how wool stacks up against fiberglass, foam, and other materials across health, safety, and performance.

Air
Filtration
Moisture
Management
Insulation
Performance
Sound
Absorption
Sustainability Easy
Installation
★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★
Fiberglass ★★
Mineral Wool ★★★ ★★ ★★ ★★
Foam ★★★ ★★
Thinsulate ★★ ★★★ ★★★ ★★★

Frequently Asked Questions

average rating 5.0 out of 5
Based on 2 reviews
  • 5 Stars
    2 Reviews
  • 4 Stars
    0 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
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  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
Easy to Install
Rated 5 out of 5
2 Reviews
Reviewed by Ralph G.
Verified Buyer
I recommend this product
Product Standouts
  • Fast & Easy to Install
  • Safe to Handle
  • Mold Resistant
  • Fire resistant
  • No Off-Gassing
I used Havelock Wool in my
other
I installed Havelock because
  • ease of installation
  • improve air quality
  • I care about the environment
  • sound abatement
  • moisture management
Rated 5 out of 5
Review posted

Great window insulation

This insulation is the best! Very easy to work with. Mold,moisture and fire resistant, great insulating properties, all natural and absolutely safe to work with. Great for the air quality in your home too.

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Easy to Install
Rated 5 out of 5
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Reviewed by Stepha
I recommend this product
Rated 5 out of 5
Review posted

5 Stars

Great product.

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