Thermafleece CosyWool slab sheeps wool insulation Thermafleece CosyWool

Thermafleece CosyWool slab

British sheeps wool insulation for general applications within the building envelope

Suitable for use in a number of applications including roof, wall and floor systems.

Made in Britain from 75% British sheeps wool and 25% recycled polyester.

CosyWool slabs are denser than the rolls allowing for a tighter friction fit in walls and roofs.

Higher thermal mass helps buffer heat to reduce summertime overheating.

Allows a healthy moisture balance helping protect building fabric and health.

Can be safely handled without gloves or protective clothing

Thicknesses and Availability:

This Cosywool slab range includes the following readily available product thicknesses: 50mm, 75mm, 100mm and 140mm.


Product Information

General information about Thermafleece CosyWool Slab

Product Application

General application insulating slab

Thermafleece's natural sheeps wool slabs, CosyWool, is suitable for use in roofs, walls and floors throughout the building.

Product Make-up

Core

Thermafleece CosyWool slab is manufactured by combining British sheeps wool (75%) and recycled polyester and binders (25%) before being compressed and cut into dense slabs.

Facings

None

Product Properties

Thermal Conductivity 0.038 W/m·K
Nominal Density approx. 22 kg/m³
Slab Length 1.2m
Slab Width 0.39m and 0.59m
Water Absorption 30% w/w @100% RH
Mould Resistance Pass CUAP 2002-01-25
Moth/Beetle Proofing Pass ISO 3998
Vapour Resistance > 9 MNs/gm

Product Prices

Buy Thermafleece CosyWool slabs

The prices and quantity discounts below are 'per pack' rates. Packs contain multiple slabs... 42 x 0.39x1.2m = 19.66m² - in this instance, there are 42 x slabs in a pack where each slab is 0.39m x 1.2m providing a total coverage of 19.66m² per pack.

These items are shipped direct to site from the manufacturer. Additional delivery charges will apply; generally between £15.00 - £50.00 + VAT, depending on the number of Thermafleece products ordered. Please Click Here for a breakdown on the charges, or contact us to discuss your requirements.

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 50mm, 42 x 0.39x1.2m = 19.66m² - ranging from £5.81 to £6.08 per m²

1 x pack @ £6.08 per m² / £2.85 per slab = £119.54 (£143.45 inc-VAT) per pack
2 x packs @ £6.03 per m² / £2.82 per slab = £118.48 (£142.18 inc-VAT) per pack
3 x packs @ £5.97 per m² / £2.80 per slab = £117.42 (£140.90 inc-VAT) per pack
4 x packs @ £5.92 per m² / £2.77 per slab = £116.36 (£139.63 inc-VAT) per pack
5 x packs @ £5.87 per m² / £2.75 per slab = £115.31 (£138.37 inc-VAT) per pack
6 x packs @ £5.81 per m² / £2.72 per slab = £114.25 (£137.10 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 75mm, 27 x 0.39x1.2m = 12.64m² - ranging from £8.70 to £9.10 per m²

1 x pack @ £9.10 per m² / £4.26 per slab = £114.99 (£137.99 inc-VAT) per pack
2 x packs @ £9.02 per m² / £4.22 per slab = £113.98 (£136.78 inc-VAT) per pack
3 x packs @ £8.94 per m² / £4.18 per slab = £112.96 (£135.55 inc-VAT) per pack
4 x packs @ £8.86 per m² / £4.15 per slab = £111.94 (£134.33 inc-VAT) per pack
5 x packs @ £8.78 per m² / £4.11 per slab = £110.92 (£133.10 inc-VAT) per pack
6 x packs @ £8.70 per m² / £4.07 per slab = £109.91 (£131.89 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 100mm, 21 x 0.39x1.2m = 9.83m² - ranging from £11.59 to £12.13 per m²

1 plus packs @ £12.13 per m² / £5.68 per slab = £119.20 (£143.04 inc-VAT) per pack
3 plus packs @ £12.02 per m² / £5.63 per slab = £118.14 (£141.77 inc-VAT) per pack
5 plus packs @ £11.91 per m² / £5.58 per slab = £117.09 (£140.51 inc-VAT) per pack
7 plus packs @ £11.80 per m² / £5.53 per slab = £116.03 (£139.24 inc-VAT) per pack
9 plus packs @ £11.70 per m² / £5.48 per slab = £114.98 (£137.98 inc-VAT) per pack
11 plus packs @ £11.59 per m² / £5.42 per slab = £113.92 (£136.70 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 140mm, 15 x 0.39x1.2m = 7.02m² - ranging from £16.25 to £17.00 per m²

1 plus packs @ £17.00 per m² / £7.95 per slab = £119.32 (£143.18 inc-VAT) per pack
4 plus packs @ £16.85 per m² / £7.88 per slab = £118.27 (£141.92 inc-VAT) per pack
7 plus packs @ £16.70 per m² / £7.81 per slab = £117.21 (£140.65 inc-VAT) per pack
10 plus packs @ £16.55 per m² / £7.74 per slab = £116.15 (£139.38 inc-VAT) per pack
13 plus packs @ £16.40 per m² / £7.67 per slab = £115.10 (£138.12 inc-VAT) per pack
16 plus packs @ £16.25 per m² / £7.60 per slab = £114.04 (£136.85 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 50mm, 28 x 0.59x1.2m = 19.82m² - ranging from £5.81 to £6.08 per m²

1 x pack @ £6.08 per m² / £4.30 per slab = £120.51 (£144.61 inc-VAT) per pack
2 x packs @ £6.03 per m² / £4.27 per slab = £119.44 (£143.33 inc-VAT) per pack
3 x packs @ £5.97 per m² / £4.23 per slab = £118.38 (£142.06 inc-VAT) per pack
4 x packs @ £5.92 per m² / £4.19 per slab = £117.31 (£140.77 inc-VAT) per pack
5 x packs @ £5.86 per m² / £4.15 per slab = £116.24 (£139.49 inc-VAT) per pack
6 x packs @ £5.81 per m² / £4.11 per slab = £115.18 (£138.22 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 75mm, 18 x 0.59x1.2m = 12.74m² - ranging from £8.69 to £9.10 per m²

1 x pack @ £9.10 per m² / £6.44 per slab = £115.90 (£139.08 inc-VAT) per pack
2 x packs @ £9.02 per m² / £6.38 per slab = £114.87 (£137.84 inc-VAT) per pack
3 x packs @ £8.94 per m² / £6.33 per slab = £113.85 (£136.62 inc-VAT) per pack
4 x packs @ £8.86 per m² / £6.27 per slab = £112.82 (£135.38 inc-VAT) per pack
5 x packs @ £8.78 per m² / £6.21 per slab = £111.80 (£134.16 inc-VAT) per pack
6 x packs @ £8.69 per m² / £6.15 per slab = £110.77 (£132.92 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 100mm, 14 x 0.59x1.2m = 9.91m² - ranging from £11.59 to £12.13 per m²

1 plus packs @ £12.13 per m² / £8.58 per slab = £120.17 (£144.20 inc-VAT) per pack
3 plus packs @ £12.02 per m² / £8.51 per slab = £119.11 (£142.93 inc-VAT) per pack
5 plus packs @ £11.91 per m² / £8.43 per slab = £118.04 (£141.65 inc-VAT) per pack
7 plus packs @ £11.80 per m² / £8.36 per slab = £116.98 (£140.38 inc-VAT) per pack
9 plus packs @ £11.70 per m² / £8.28 per slab = £115.92 (£139.10 inc-VAT) per pack
11 plus packs @ £11.59 per m² / £8.20 per slab = £114.85 (£137.82 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece CosyWool Slab 140mm, 10 x 0.59x1.2m = 7.08m² - ranging from £16.24 to £17.00 per m²

1 plus packs @ £17.00 per m² / £12.03 per slab = £120.34 (£144.41 inc-VAT) per pack
4 plus packs @ £16.85 per m² / £11.93 per slab = £119.27 (£143.12 inc-VAT) per pack
7 plus packs @ £16.70 per m² / £11.82 per slab = £118.21 (£141.85 inc-VAT) per pack
10 plus packs @ £16.55 per m² / £11.71 per slab = £117.14 (£140.57 inc-VAT) per pack
13 plus packs @ £16.40 per m² / £11.61 per slab = £116.08 (£139.30 inc-VAT) per pack
16 plus packs @ £16.24 per m² / £11.50 per slab = £115.01 (£138.01 inc-VAT) per pack

Reasonable stock levels are held with delivery lead times being around 4-5 working days. Larger orders may take a little longer.

Thermafleece reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.

Please observe the 'Star Rating' indicators to assess availability.
Product Availability Excellent Generally 1 or 2 days for delivery
Product Availability Good Generally 1 to 5 days for delivery
Product Availability Fair Generally 5 to 10 days for delivery
Product Availability Poor Generally 5 to 15 days for delivery
Product Availability Undetermined Please call to check availability and approximate lead times

Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations


Product Performance and Guides

Product Performance, Manufacturer Certification, Downloads, and Installation Guides

Thermal Resistance

While we have provided Thermal Resistance values for all thicknesses on the Thermafleece Cosywool slab datasheet, some thicknesses are made up of multiple layers.

Items highlighted in green are generally held in stock by Thermafleece.

Product Thickness Thermal Resistance kg/m²
CosyWool slab 50mm 50mm 1.32 m²K/W 1.09 kg/m²
CosyWool slab 75mm 75mm 1.97 m²K/W 1.63 kg/m²
CosyWool slab 100mm 100mm 2.63 m²K/W 2.19 kg/m²
CosyWool slab 150mm 150mm 3.95 m²K/W
CosyWool slab 200mm 200mm 5.26 m²K/W
CosyWool slab 250mm 250mm 6.18 m²K/W
CosyWool slab 300mm 300mm 7.42 m²K/W

Standards & Approval

Thermafleece CosyWool slab is manufactured in accordance with quality management system ISO 9001. All products must be installed in accordance with guidance issued by Thermafleece.

Where building regulation approval is required, you should take advice from your local building control authority and the building designer.

  • GWP (A1-A3): 1.63 kgCO2e
  • GWP (A1-A3) inc. biogenic carbon: 0.59 kgCO2e
  • Recycled Content: 20%
  • Recyclable: Yes

Thermafleece Videos

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Minimum order level - £175.00 ex-VAT. For further details on Delivery Charges and Minimum Order levels, please Click Here