Thermafleece - Cosywool Sheeps Wool Insulation Reviews

4.9 Rating 499 Reviews

Sheeps Wool Insulation by Thermafleece. Their Cosywool rolls are an easy to use sheeps wool insulation, supplied in compressed packed rolls for quick installation.  Made from 75% sheep wool, 15% recycled polyester, and 10% polyester binder with a high recycled content, the Cosywool Rolls have all the benefits of sheep wool, while remaining a very affordable, non itch insulation. A truly sustainable insulation produced using British Wool and manufactured in the UK. Great for loft insulation, wall insulation and floor insulation. It has high acoustic insulation properties so it is also great for partition walls, campervans and as part of a soundproofing system. Sheep wool insulation has a very low embodied energy, and acts as a moisture buffer by absorbing and releasing excess moisture (can absorb up to 30% of weight for weight in 100% relative humidity conditions). Like all Thermafleece wool products, it is long-lasting, safe to handle, itch free and can contrib...

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“Very pleasant to work with, cuts easily with a stout pair of scissors (eg Dressmaking scissors). This was our first experience of Thermafleece and we'll be using it again now in preference to anything else. There's almost no 'sheepy' smell either, I was expecting more, but it's quite subtle and soon disipates. Very happy to recommend Thermafleece Sheeps Wool insulation.”

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Posted 1 month ago

Thank you for sharing your experience, Peter. We’re glad to hear how happy you were with your first Thermafleece insulation experience. Please get in touch if and when you are ready to order again, and we'll be happy to help. Kind regards, Celtic Sustainables

Posted 1 month ago

“Good product, easy to use and effective.”

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Posted 1 month ago

Thank you for your 5-star review of the Thermafleece Cosywool Sheeps Wool Insulation. We're glad you enjoyed using it and are finding if effective. Kind regards, Celtic Sustainables

Posted 1 month ago

“Warm and much more pleasant to handle than fibreglass.”

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Posted 2 months ago

Hi Paul, Thank you for your 5-star review of Thermafleece Cosywool Sheeps Wool Insulation. We're glad you are enjoying the benefits of using sheeps wool insulation over fibreglass. Kind regards, Celtic Sustainables

Posted 2 months ago

“Really easy to work with especially in awkward spaces”

1 Helpful Report

Posted 2 months ago

Thank you for your review, Marie. It’s great to hear that you found the Thermafleece Cosywool Insulation easy to work with. Kind regards, Celtic Sustainables

Posted 2 months ago

“The thermawool is fantastic :) when into the joist exactly right, not difficult to install”

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Posted 3 months ago

Thank you for your review of Thermafleece Cosywool insulation. We’re glad you like the product and found it easy to install. Kind regards, Celtic Sustainables

Posted 3 months ago

“A natural product which I found quite pleasant to use overall ( not itchy). The effectiveness of the product was noticable immediately as i was insulating a workshop roof at the time when the outside temps were 32 degrees. the workshop cooled as I worked and the ceiling panels are now cool to the touch on a hot day.”

1 Helpful Report

Posted 4 months ago

Hi David, great to hear that you found the product pleasant to use and not itchy, and that you noticed the cooling effect right away in your workshop on such a hot day. Kind regards, Celtic Sustainables

Posted 4 months ago

“I called them before making the order to be sure the wool is treated with borax, the woman I spoke to was very knowledgeable and helpful. The next day I made the order and it arrived very quick. Once laid it did smell of farm, so I knew it was real wool lol. I then gave the extra boxes away but probably should have sent them back for a refund.”

1 Helpful Report

Posted 4 months ago

Hi Wesley, thanks for sharing your experience. We’re glad the information helped and that you were happy with our quick delivery service. The product is definitely made from real wool, and the natural wool scent will gradually fade. We appreciate your feedback and look forward to serving you again. Kind regards, Celtic Sustainables

Posted 4 months ago

“Excellent product easy to use, perfect for insulating under lounge floor.”

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Posted 4 months ago

Thank you for taking the time to review your cosywool purchase. We really apricate it. Many thanks, Celtic Sustainables

Posted 4 months ago