50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²)
Product Code:
4.22 m²
Thermal Conductivity:
0.040 W/mK
In stock
Estimated Delivery:
1 - 2 working days
Please get in touch for a more accurate lead time.

A flexible thermal insulation ‘batt’ made from UK crops.

IndiTherm® can be friction fit between structural framing or against masonry - with excellent rigidity to resist slumping.

Healthy and soft to the touch for installers. Very large carbon savings - net negative embodied carbon. Building occupants will benefit from the exceptional thermal and moisture buffering properties of this sustainable material. It has the added property of low-density heat storage, which means indoor temperatures stay warm in winter and cool in summer. Durability tested.

Key points :

Made in Britain from UK grown crops.

Healthy and soft to touch.

Exceptional vapour transport - keeping buildings dry and healthy. Ideal for traditional retrofits.

Warm in winter, cool in summer. Indoor temperatures and humidity stay comfortably even because IndiTherm naturally regulates both.

Healthy indoor air quality.

Exceptional rigidity resists slumping.

0.40 W/mK Thermal Conductivity.

Very large Carbon savings - Carbon net storage of -0.70 kgCO2eq/kg.

Specification :

Thickness: 50 mm
Width: 440 mm
Length: 1200 mm
Pack Coverage: 4.22m²
Pack Quantity: 8
Thermal Conductivity: 0.040 W/mK
Bulk Density: 45 kg/m³
Specific Heat Capacity: 2100 J/(kgK)
Vapour Diffusion Resistance: 2
Carbon (net storage): -0.70 kgCO2eq/kg

Composition (Ingredients):
Hemp Fibre: 90%
Polyester (PES) Binder*: 9%
Fire Retardent (Ammonium Salts): <1%

*Can still be re-processed and counted in IndiNature's carbon calculations.


Refer to installation guide for recommendations. Friction fit between structural framing or against masonry. Best cut with ‘wavy’ insulation blades – available as handsaws or powered dual-blade reciprocating saws. Our team is happy to advise.

Environmental impacts:

IndiTherm® has net storage of carbon.
It reduces waste because it can be reused at end of life or offcuts can be shredded and made into more of the same product. IndiNature also make a biodegradable product called IndiTherm® Bio.

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Datasheets & Documents.