Thermafleece UltraWool slab sheeps wool insulation Thermafleece UltraWool

Thermafleece UltraWool

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.

UltraWool is high density with better thermal values offer more efficient thermal and acoustic characteristics.

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 UltraWool range includes the following readily available product thicknesses: 50mm, 70mm and 90mm.


Product Information

General information about Thermafleece UltraWool

Product Application

General application insulating slab

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

Product Make-up

Core

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

Facings

None

Product Properties

Thermal Conductivity 0.035 W/m·K
Nominal Density approx. 31 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 UltraWool slabs

The prices and quantity discounts below are 'per pack' rates. Packs contain multiple slabs... 30 x 0.39x1.2m = 14.04m² - in this instance, there are 30 x slabs in a pack where each slab is 0.39m x 1.2m providing a total coverage of 14.04m² 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 UltraWool Slab 50mm, 30 x 0.39x1.2m = 14.04m² - ranging from £8.06 to £8.43 per m²

1 x pack @ £8.43 per m² / £3.95 per slab = £118.36 (£142.03 inc-VAT) per pack
2 x packs @ £8.36 per m² / £3.91 per slab = £117.31 (£140.77 inc-VAT) per pack
3 x packs @ £8.28 per m² / £3.88 per slab = £116.27 (£139.52 inc-VAT) per pack
4 x packs @ £8.21 per m² / £3.84 per slab = £115.22 (£138.26 inc-VAT) per pack
5 x packs @ £8.13 per m² / £3.81 per slab = £114.17 (£137.00 inc-VAT) per pack
6 x packs @ £8.06 per m² / £3.77 per slab = £113.12 (£135.74 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece UltraWool Slab 70mm, 21 x 0.39x1.2m = 9.83m² - ranging from £11.29 to £11.81 per m²

1 plus packs @ £11.81 per m² / £5.53 per slab = £116.09 (£139.31 inc-VAT) per pack
3 plus packs @ £11.70 per m² / £5.48 per slab = £115.06 (£138.07 inc-VAT) per pack
5 plus packs @ £11.60 per m² / £5.43 per slab = £114.04 (£136.85 inc-VAT) per pack
7 plus packs @ £11.50 per m² / £5.38 per slab = £113.01 (£135.61 inc-VAT) per pack
9 plus packs @ £11.39 per m² / £5.33 per slab = £111.98 (£134.38 inc-VAT) per pack
11 plus packs @ £11.29 per m² / £5.28 per slab = £110.95 (£133.14 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece UltraWool Slab 90mm, 18 x 0.39x1.2m = 8.42m² - ranging from £14.48 to £15.15 per m²

1 plus packs @ £15.15 per m² / £7.09 per slab = £127.60 (£153.12 inc-VAT) per pack
3 plus packs @ £15.02 per m² / £7.03 per slab = £126.48 (£151.78 inc-VAT) per pack
5 plus packs @ £14.89 per m² / £6.96 per slab = £125.35 (£150.42 inc-VAT) per pack
7 plus packs @ £14.75 per m² / £6.90 per slab = £124.22 (£149.06 inc-VAT) per pack
9 plus packs @ £14.62 per m² / £6.84 per slab = £123.09 (£147.71 inc-VAT) per pack
11 plus packs @ £14.48 per m² / £6.78 per slab = £121.96 (£146.35 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece UltraWool Slab 50mm, 20 x 0.59x1.2m = 14.16m² - ranging from £8.06 to £8.43 per m²

1 x pack @ £8.43 per m² / £5.97 per slab = £119.38 (£143.26 inc-VAT) per pack
2 x packs @ £8.36 per m² / £5.92 per slab = £118.32 (£141.98 inc-VAT) per pack
3 x packs @ £8.28 per m² / £5.86 per slab = £117.27 (£140.72 inc-VAT) per pack
4 x packs @ £8.21 per m² / £5.81 per slab = £116.21 (£139.45 inc-VAT) per pack
5 x packs @ £8.13 per m² / £5.76 per slab = £115.15 (£138.18 inc-VAT) per pack
6 x packs @ £8.06 per m² / £5.71 per slab = £114.10 (£136.92 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece UltraWool Slab 70mm, 14 x 0.59x1.2m = 9.91m² - ranging from £11.29 to £11.81 per m²

1 plus packs @ £11.81 per m² / £8.36 per slab = £117.03 (£140.44 inc-VAT) per pack
3 plus packs @ £11.70 per m² / £8.29 per slab = £115.99 (£139.19 inc-VAT) per pack
5 plus packs @ £11.60 per m² / £8.21 per slab = £114.96 (£137.95 inc-VAT) per pack
7 plus packs @ £11.50 per m² / £8.14 per slab = £113.92 (£136.70 inc-VAT) per pack
9 plus packs @ £11.39 per m² / £8.06 per slab = £112.89 (£135.47 inc-VAT) per pack
11 plus packs @ £11.29 per m² / £7.99 per slab = £111.85 (£134.22 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece UltraWool Slab 90mm, 12 x 0.59x1.2m = 8.5m² - ranging from £14.48 to £15.15 per m²

1 plus packs @ £15.15 per m² / £10.73 per slab = £128.81 (£154.57 inc-VAT) per pack
3 plus packs @ £15.02 per m² / £10.64 per slab = £127.67 (£153.20 inc-VAT) per pack
5 plus packs @ £14.89 per m² / £10.54 per slab = £126.53 (£151.84 inc-VAT) per pack
7 plus packs @ £14.75 per m² / £10.45 per slab = £125.39 (£150.47 inc-VAT) per pack
9 plus packs @ £14.62 per m² / £10.35 per slab = £124.25 (£149.10 inc-VAT) per pack
11 plus packs @ £14.48 per m² / £10.26 per slab = £123.11 (£147.73 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 UltraWool 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
UltraWool 50mm 50mm 1.43 m²K/W 1.54 kg/m²
UltraWool 70mm 70mm 2.00 m²K/W 2.14 kg/m²
UltraWool 100mm 100mm 2.86 m²K/W
UltraWool 140mm 140mm 4.00 m²K/W
UltraWool 190mm 190mm 5.43 m²K/W
UltraWool 240mm 240mm 6.86 m²K/W

Standards & Approval

Thermafleece UltraWool 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

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