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Mushroom® Insulation

We offer insulation in limited quantities for select projects.

If you’re interested in using Mushroom® Insulation, please contact us at

For more information, see Material Specifications below.

Performance Specifications

Metric Standard Testing Lab MycoFoam
Density (lbs/ft3) ASTM C303 Ecovative 7.6
Compressive Strength (psi) ASTM C165 Ecovative 18
Compressive Elastic Modulus (psi) ASTM C165 Ecovative 165
Flexure Strength (psi) ASTM C203 Ecovative 34
Compostability (days) ASTM D6400 NSF International 30
Flame Spread ASTM E84 QAI 20
Smoke Emission ASTM E84 QAI 50
Thermal Conductivity, at 10°C (W/mK) ASTM C518 Oak Ridge National Laboratory 0.039
Water Vapor Permeation (dry cup) ASTM E96 Oak Ridge National Laboratory 30
Moisture Storage at 53.5% RH (%) ASTM C1498 Oak Ridge National Laboratory 8
Moisture Storage at 75% RH (%) ASTM C1498 Oak Ridge National Laboratory 12

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