Thermafleece NatraHemp 100mm, 24 x 0.37×1.2m = 10.66m²


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.

Additional information


5 to 10 working days

SKU: TFLCNHEMP4100 Categories: ,
Product ex-VAT inc-VAT  
Thermafleece NatraHemp 100mm, 24 x 0.37×1.2m = 10.66m² £213.97 £256.76

Availability Indicators

Thermafleece NatraHemp is sent direct to site from the manufacturer and is subject to the Thermafleece Insulation & Membranes shipping charge.

Reasonable stock levels are held with delivery lead times being around 4-5 working days. Larger orders can take a little longer ... up to 5-10 working days.

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.

  • Generally 1 to 3 working days for delivery
  • Generally 1 to 5 working days for delivery
  • Generally 5 to 10 working days for delivery
  • Special request or made to order item, allow extended lead times. Minimum order levels may apply.
  • Please call to check availability and approximate lead times

Delivery charges will be calculated at check-out. Please visit our Ordering From Us page for further details on minimum order levels and delivery charges. If you have any queries, please do not hesitate to contact me via our Contact Form or on 01903 899 898.

Product Application

General application insulating slabs

Thermafleece 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 recycled polyester and binders (40%) before being compressed into dense slabs.

Product Performance

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

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