- Safe to Handle
- ease of installation
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theiuferuy
| Easy to Install |
Rated 2 out of 5
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Seal the drafts and boost comfort with Havelock Wool’s Window & Door Insulation Kit. Designed for maximum efficiency, this eco-friendly solution helps reduce energy loss and lower utility bills.
Best For: Homeowners looking to improve energy efficiency with a simple, natural upgrade.
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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.
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
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 |
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|---|---|---|---|---|---|---|
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★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| Fiberglass | ★ | ★ | ★ | ★★ | ★ | ★ |
| Mineral Wool | ★ | ★★★ | ★★ | ★★ | ★ | ★★ |
| Foam | ★ | ★ | ★★★ | ★★ | ★ | ★ |
| Thinsulate | ★ | ★★ | ★★★ | ★★★ | ★ | ★★★ |
Wool insulation is made from 100 percent natural sheep wool that is washed, carded, and formed into high-performance formats without added synthetic chemicals.
Wool binds and neutralizes airborne chemicals like formaldehyde, VOCs, and NOx, helping to create cleaner, healthier indoor environments.
Yes. Wool is naturally safe to handle with no protective gear needed. It will not irritate skin or lungs and contains no harmful additives.
Wool naturally absorbs and releases moisture without losing performance. It resists mold growth and helps regulate humidity in enclosed spaces.
Wool maintains its loft, structure, and thermal properties for decades. It does not break down, slump, or settle like many synthetic materials.
Yes. Wool performs in all seasons by slowing heat transfer and managing temperature swings, keeping spaces more stable and comfortable year-round.
| Easy to Install |
Rated 4 out of 5
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theiuferuy
| Easy to Install |
Rated 2 out of 5
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Excellent
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I'm using Havelock wool on the doors and windows in my van. I like the fact I can pull pieces off and stuff it into the small holes of the passenger and back doors of my van. I've only gotten the passenger door done and I already notice the sound deadening effect of Havelock wool.
| Easy to Install |
Rated 5 out of 5
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Excellent
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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.
| Easy to Install |
Rated 5 out of 5
Poor
Excellent
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Great product.