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Insulation boards made from meadow grass

Insulation boards produced from meadow grass.听
Climate Change Mitigation Advancing Net Zero Solutions Bio-based materials

Problem Addressed

How to increase the energy efficiency of buildings using low embodied carbon insulation products.

Solution Overview

Gramitherm听is an insulating panel made from natural grass.听Gramitherm听exhibits high听thermal capacity,听performance听and听sound absorption properties.听Compared听with other commonly used听insulating听materials,听Gramitherm听offers:

  • A low carbon material. 1kg of鈥�Gramitherm batt鈥痑bsorbs 1,405kg of biogenic carbon during the growth of the grass.听
  • It is a natural, clean form of insulation both against cold and heat. The product has a thermal conductivity of 0,0405W/m.K, a thermal capacity of 1500 J/kgK and a with a phasing time of 9 hours (240mm). Gramitherm brings a sound absorption of 0,99 at 1000 Hz frequency.听
  • The energy used in the production of Gramitherm is 20% less than that consumed by insulation products such as extruded polystyrene. Life Cycle Assessment information is available.听听

Gramitherm costs 85 Euro per m3 (quoted pre-Brexit, please contact Gramitherm for accurate up-to-date pricing information).

Company name

Gramitherm Europe SA

UK availability

Yes

Solution launch date

2019 in Belgium, 2013 in Switzerland

Links

Facts and Figures

1,405

kg of CO2-eq absorbed by 1kg Gramitherm batt.

0,0405 W/m.K

Thermal conductivity of the product.

1500 J/kgK

Thermal capacity of the product.

9 hours

Phasing time of the product.

85 Euro

Cost per m3

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