Thermafleece

Thermafleece are predominantly manufacturers of Cosywool, a natural fibre British sheep's wool insulation. Manufactured using a rich mix of natural sheep wool and recycled fibres. Thermafleece also manufactures SupaSoft a Recycled Plastic Insulation which is soft to touch loft insulation that's safe and easy to install and also NatraHemp made with hemp plant fibres.
thermafleece.com
Thermafleece

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CosyWool

CosyWool

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UltraWool

UltraWool

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SupaSoft

SupaSoft

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NatraHemp

NatraHemp

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Learn more from our blogs

Shush! A Guide to Acoustic Insulation

Ever wished you could turn down the volume on the world? Whether it's noisy neighbours, the kids practising their drums or the rumble of traffic, unwanted sound can be a real headache. That's where acoustic insulation comes in. This helpful guide will explore the ins and outs of soundproofing, from learning about sound waves to choosing the right materials for your project.

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Showing 39 of 39 products
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    25mm Thermafleece CosyWool Sheep Wool (1 x 370mm roll)

    £22.50 per item
    £5.07 per m²
    inc. VAT
    £18.75 per item
    £4.22 per m²
    ex. VAT
    £22.50 Save £0.00
    £22.50 per item
    £5.07 per m²
    inc. VAT
    £18.75 Save £0.00
    £18.75 per item
    £4.22 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    25mm Thermafleece CosyWool Sheep Wool (1 x 570mm roll)

    £34.65 per item
    £5.07 per m²
    inc. VAT
    £28.88 per item
    £4.22 per m²
    ex. VAT
    £34.65 Save £0.00
    £34.65 per item
    £5.07 per m²
    inc. VAT
    £28.88 Save £0.00
    £28.88 per item
    £4.22 per m²
    ex. VAT
  • 50m x 1.5m Thermafleece Breather Membrane (75m²) | Insulation Merchant
    BREATHER MEMBRANE by Thermafleece

    Thermafleece Breather Membrane

    From £74.90 per item
    £0.99 per m²
    inc. VAT
    From £62.42 per item
    £0.83 per m²
    ex. VAT
    Save £-74.90
    From £74.90 per item
    £0.99 per m²
    inc. VAT
    £0.00 Save £-62.42
    From £62.42 per item
    £0.83 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    £96.80 per item
    £13.41 per m²
    inc. VAT
    £80.67 per item
    £11.17 per m²
    ex. VAT
    Save £-96.80
    £96.80 per item
    £13.41 per m²
    inc. VAT
    £0.00 Save £-80.67
    £80.67 per item
    £11.17 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    £99.35 per item
    £13.41 per m²
    inc. VAT
    £82.79 per item
    £11.17 per m²
    ex. VAT
    Save £-99.35
    £99.35 per item
    £13.41 per m²
    inc. VAT
    £0.00 Save £-82.79
    £82.79 per item
    £11.17 per m²
    ex. VAT
  • 150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant

    4.6

    COSYWOOL by Thermafleece

    150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    £95.99 per item
    £20.12 per m²
    inc. VAT
    £79.99 per item
    £16.77 per m²
    ex. VAT
    Save £-95.99
    £95.99 per item
    £20.12 per m²
    inc. VAT
    £0.00 Save £-79.99
    £79.99 per item
    £16.77 per m²
    ex. VAT
  • 50mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    50mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    £96.95 per item
    £6.72 per m²
    inc. VAT
    £80.79 per item
    £5.60 per m²
    ex. VAT
    Save £-96.95
    £96.95 per item
    £6.72 per m²
    inc. VAT
    £0.00 Save £-80.79
    £80.79 per item
    £5.60 per m²
    ex. VAT
  • 75mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    75mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    £94.90 per item
    £10.05 per m²
    inc. VAT
    £79.08 per item
    £8.38 per m²
    ex. VAT
    Save £-94.90
    £94.90 per item
    £10.05 per m²
    inc. VAT
    £0.00 Save £-79.08
    £79.08 per item
    £8.38 per m²
    ex. VAT
  • 150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    £98.60 per item
    £20.12 per m²
    inc. VAT
    £82.17 per item
    £16.77 per m²
    ex. VAT
    Save £-98.60
    £98.60 per item
    £20.12 per m²
    inc. VAT
    £0.00 Save £-82.17
    £82.17 per item
    £16.77 per m²
    ex. VAT
  • 50mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    50mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    £99.55 per item
    £6.72 per m²
    inc. VAT
    £82.96 per item
    £5.60 per m²
    ex. VAT
    Save £-99.55
    £99.55 per item
    £6.72 per m²
    inc. VAT
    £0.00 Save £-82.96
    £82.96 per item
    £5.60 per m²
    ex. VAT
  • 75mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    75mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    £97.40 per item
    £10.05 per m²
    inc. VAT
    £81.17 per item
    £8.38 per m²
    ex. VAT
    Save £-97.40
    £97.40 per item
    £10.05 per m²
    inc. VAT
    £0.00 Save £-81.17
    £81.17 per item
    £8.38 per m²
    ex. VAT
  • 140mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    140mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    £96.10 per item
    £18.81 per m²
    inc. VAT
    £80.08 per item
    £15.67 per m²
    ex. VAT
    Save £-96.10
    £96.10 per item
    £18.81 per m²
    inc. VAT
    £0.00 Save £-80.08
    £80.08 per item
    £15.67 per m²
    ex. VAT
  • 140mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    140mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    £98.50 per item
    £18.80 per m²
    inc. VAT
    £82.08 per item
    £15.66 per m²
    ex. VAT
    Save £-98.50
    £98.50 per item
    £18.80 per m²
    inc. VAT
    £0.00 Save £-82.08
    £82.08 per item
    £15.66 per m²
    ex. VAT
  • 100mm Thermafleece Supasoft Insulation (2 x 590mm rolls) - 5.90m² | Insulation Merchant

    5.0

    SUPASOFT by Thermafleece

    100mm Thermafleece Supasoft Insulation (2 x 590mm rolls) - 5.90m²

    £58.40 per item
    £9.90 per m²
    inc. VAT
    £48.67 per item
    £8.25 per m²
    ex. VAT
    Save £-58.40
    £58.40 per item
    £9.90 per m²
    inc. VAT
    £0.00 Save £-48.67
    £48.67 per item
    £8.25 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

    Looking for a price?

    Add to a quote for our best rate.

  • 50mm Thermafleece Supasoft Roll (2 x 590mm rolls) | Insulation Merchant
    SUPASOFT by Thermafleece

    50mm Thermafleece Supasoft Roll (2 x 590mm rolls)

    £58.40 per item
    £4.95 per m²
    inc. VAT
    £48.67 per item
    £4.12 per m²
    ex. VAT
    Save £-58.40
    £58.40 per item
    £4.95 per m²
    inc. VAT
    £0.00 Save £-48.67
    £48.67 per item
    £4.12 per m²
    ex. VAT
  • 90mm Thermafleece UltraWool Slab (590mm wide) | Insulation Merchant
    ULTRAWOOL by Thermafleece

    90mm Thermafleece UltraWool Slab (590mm wide)

    £214.57 per item
    £25.24 per m²
    inc. VAT
    £178.81 per item
    £21.04 per m²
    ex. VAT
    Save £-214.57
    £214.57 per item
    £25.24 per m²
    inc. VAT
    £0.00 Save £-178.81
    £178.81 per item
    £21.04 per m²
    ex. VAT
  • 90mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant

    5.0

    ULTRAWOOL by Thermafleece

    90mm Thermafleece UltraWool Slab (390mm wide)

    £220.60 per item
    £51.06 per m²
    inc. VAT
    £183.83 per item
    £42.55 per m²
    ex. VAT
    Save £-220.60
    £220.60 per item
    £51.06 per m²
    inc. VAT
    £0.00 Save £-183.83
    £183.83 per item
    £42.55 per m²
    ex. VAT
  • 50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

    Looking for a price?

    Add to a quote for our best rate.

  • 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    COSYWOOL SLAB - NEW by Thermafleece

    Thermafleece CosyWool Sheep Wool Slab (NEW SIZES)

    From £54.00 per item
    £17.36 per m²
    inc. VAT
    From £45.00 per item
    £14.47 per m²
    ex. VAT
    Save £-54.00
    From £54.00 per item
    £17.36 per m²
    inc. VAT
    £0.00 Save £-45.00
    From £45.00 per item
    £14.47 per m²
    ex. VAT