Thermafleece NatraHemp slab sheeps wool insulation Thermafleece NatraHemp

Thermafleece NatraHemp

Hemp plant fibre insulation slabs for general applications within the building envelope

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

Made from bast fibre from the hemp plant, a fast-growing and low impact plant.

NatraHemp is a medium density slab 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 NatraHemp range includes the following readily available product thicknesses: 50mm, 70mm and 100mm.


Product Information

General information about Thermafleece NatraHemp

Product Application

General application insulating slab

Thermafleece's natural plant fibre slab, NatraHemp, is suitable for use in roofs, walls and floors throughout the building.

Product Make-up

Core

Thermafleece NatraHemp slab is manufactured from the bast fibre (the fibre surrounding the stem) of the hemp plant (60%), a fast-growing low impact plant crop, along with recyceld polyester and binders (40%) before being compressed into dense slabs.

Facings

None

Product Properties

Thermal Conductivity 0.040 W/m·K
Nominal Density approx. 25 kg/m³
Slab Length 1.2m
Slab Width 0.37m and 0.57m
Water Absorption 17% w/w @100% RH
Vapour Resistance > 9 MNs/gm

Product Prices

Buy Thermafleece NatraHemp slabs

The prices and quantity discounts below are 'per pack' rates. Packs contain multiple slabs... 48 x 0.37x1.2m = 21.31m² - in this instance, there are 48 x slabs in a pack where each slab is 0.37m x 1.2m providing a total coverage of 21.31m² 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 NatraHemp 50mm, 48 x 0.37x1.2m = 21.31m² - ranging from £6.29 to £6.58 per m²

1 x pack @ £6.58 per m² / £2.92 per slab = £140.16 (£168.19 inc-VAT) per pack
2 x packs @ £6.52 per m² / £2.89 per slab = £138.92 (£166.70 inc-VAT) per pack
3 x packs @ £6.46 per m² / £2.87 per slab = £137.68 (£165.22 inc-VAT) per pack
4 x packs @ £6.40 per m² / £2.84 per slab = £136.44 (£163.73 inc-VAT) per pack
5 x packs @ £6.34 per m² / £2.82 per slab = £135.20 (£162.24 inc-VAT) per pack
6 x packs @ £6.29 per m² / £2.79 per slab = £133.96 (£160.75 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece NatraHemp 70mm, 36 x 0.37x1.2m = 15.98m² - ranging from £8.80 to £9.21 per m²

1 x pack @ £9.21 per m² / £4.09 per slab = £147.18 (£176.62 inc-VAT) per pack
2 x packs @ £9.13 per m² / £4.05 per slab = £145.87 (£175.04 inc-VAT) per pack
3 x packs @ £9.05 per m² / £4.02 per slab = £144.57 (£173.48 inc-VAT) per pack
4 x packs @ £8.97 per m² / £3.98 per slab = £143.27 (£171.92 inc-VAT) per pack
5 x packs @ £8.88 per m² / £3.94 per slab = £141.97 (£170.36 inc-VAT) per pack
6 x packs @ £8.80 per m² / £3.91 per slab = £140.66 (£168.79 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece NatraHemp 100mm, 24 x 0.37x1.2m = 10.66m² - ranging from £12.57 to £13.15 per m²

1 x pack @ £13.15 per m² / £5.84 per slab = £140.23 (£168.28 inc-VAT) per pack
2 x packs @ £13.04 per m² / £5.79 per slab = £138.99 (£166.79 inc-VAT) per pack
3 x packs @ £12.92 per m² / £5.74 per slab = £137.74 (£165.29 inc-VAT) per pack
4 x packs @ £12.80 per m² / £5.69 per slab = £136.50 (£163.80 inc-VAT) per pack
5 x packs @ £12.69 per m² / £5.64 per slab = £135.26 (£162.31 inc-VAT) per pack
6 x packs @ £12.57 per m² / £5.58 per slab = £134.02 (£160.82 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece NatraHemp 50mm, 32 x 0.57x1.2m = 21.89m² - ranging from £6.29 to £6.58 per m²

1 x pack @ £6.58 per m² / £4.50 per slab = £143.97 (£172.76 inc-VAT) per pack
2 x packs @ £6.52 per m² / £4.46 per slab = £142.69 (£171.23 inc-VAT) per pack
3 x packs @ £6.46 per m² / £4.42 per slab = £141.42 (£169.70 inc-VAT) per pack
4 x packs @ £6.40 per m² / £4.38 per slab = £140.14 (£168.17 inc-VAT) per pack
5 x packs @ £6.34 per m² / £4.34 per slab = £138.87 (£166.64 inc-VAT) per pack
6 x packs @ £6.29 per m² / £4.30 per slab = £137.60 (£165.12 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece NatraHemp 70mm, 24 x 0.57x1.2m = 16.42m² - ranging from £8.80 to £9.21 per m²

1 x pack @ £9.21 per m² / £6.30 per slab = £151.23 (£181.48 inc-VAT) per pack
2 x packs @ £9.13 per m² / £6.25 per slab = £149.89 (£179.87 inc-VAT) per pack
3 x packs @ £9.05 per m² / £6.19 per slab = £148.56 (£178.27 inc-VAT) per pack
4 x packs @ £8.97 per m² / £6.13 per slab = £147.22 (£176.66 inc-VAT) per pack
5 x packs @ £8.88 per m² / £6.08 per slab = £145.88 (£175.06 inc-VAT) per pack
6 x packs @ £8.80 per m² / £6.02 per slab = £144.54 (£173.45 inc-VAT) per pack

Rarely requested product sourced directly from manufacturer. Thermafleece NatraHemp 100mm, 16 x 0.57x1.2m = 10.94m² - ranging from £12.57 to £13.15 per m²

1 x pack @ £13.15 per m² / £8.99 per slab = £143.91 (£172.69 inc-VAT) per pack
2 x packs @ £13.04 per m² / £8.92 per slab = £142.64 (£171.17 inc-VAT) per pack
3 x packs @ £12.92 per m² / £8.84 per slab = £141.36 (£169.63 inc-VAT) per pack
4 x packs @ £12.81 per m² / £8.76 per slab = £140.09 (£168.11 inc-VAT) per pack
5 x packs @ £12.69 per m² / £8.68 per slab = £138.82 (£166.58 inc-VAT) per pack
6 x packs @ £12.57 per m² / £8.60 per slab = £137.54 (£165.05 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 NatraHemp 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
NatraHemp 70mm 70mm 1.75 m²K/W 1.73 kg/m²
NatraHemp 100mm 100mm 2.50 m²K/W 2.48 kg/m²
NatraHemp 140mm 140mm 3.50 m²K/W
NatraHemp 170mm 170mm 4.25 m²K/W
NatraHemp 200mm 200mm 5.00 m²K/W
NatraHemp 270mm 270mm 6.75 m²K/W
NatraHemp 300mm 300mm 7.50 m²K/W

Standards & Approval

Thermafleece NatraHemp is manufactured in accordance with quality management system ISO 9001 & 14001. 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.

  • Embodied Energy (Net of Non-Fossil Feedstock Energy): 10 MJkg-1
  • Recycled Content: 37.5%
  • 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