HempWool R20 - (256sq ft/Pallet) - FP
HempWool Hemp Insulation R20 - (256sq ft/Pallet)
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HEMPITECTURE

HempWool R20 Hemp Insulation (256 Sq Ft/Pallet) - All Sizes

SKU: 516-HWR2016FP

Est Delivery between and .

Estimated Lead Time 10-15 Working Days

  • HempWool Insulation, made of 90% natural hemp, provides eco-friendly and efficient thermal resistance with an R-value of 3.7 per inch.
  • It offers improved safety features, including non-toxic fire retardants and low heat/smoke release, along with superior humidity management.
  • It provides effective acoustic comfort and is particularly suitable for eco-conscious construction projects, enhancing indoor air quality and overall building health.

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HempWool R20 Hemp Insulation is a revolutionary, eco-friendly insulation material, boasting an exceptional blend of 90% natural hemp fiber and 10% polymer fiber. With a standard R-value of 3.7 per inch, it competes with traditional insulation products in thermal resistance, while offering unique environmental benefits.

Key Features:

  • Density: 2.81 lbs/ft³ (45Kg/m³)
  • Thermal Conductivity: 0.040W/m.K
  • Thermal Resistance: R3.69/inch, providing excellent thermal efficiency
  • Vapor Permeability: 0.647 Perms (37ng/Pa.s.m²), ensuring superior humidity management
  • Ignition Time: 6.67 sec, treated with biobased, non-toxic fire retardants for increased safety
  • Heat and Smoke Release Rates: Low, contributing to overall safety
  • Environmental Benefits: USDA Certified Biobased Material with 89.9% organic carbon content. It contributes to the reduction of greenhouse gases and is free from VOCs and Red List Chemicals. An Environmental Product Declaration is forthcoming in 2023.
  • Hygrothermal Behavior: Maintains efficiency despite moisture, offering a competitive advantage over inorganic fibers.
  • Phase Shift Regulation: Provides up to 10 hours of heat retention for 7.5 inches of insulation, enhancing thermal efficiency.
  • Dimensional Stability: High mechanical strength prevents sagging or settling post-installation.

 

Applications:

HempWool is ideal for exterior walls, floors, ceilings, and more, offering improved air quality and acoustic comfort. It's particularly suited for eco-conscious construction projects seeking sustainable, high-performance materials.

Installation and Safety:

HempWool is designed for easy friction fit between wooden or steel frames. It's safe to handle, causing no skin irritation, though dust masks and eye protection are recommended during installation. Panels are shrink-wrapped with compostable plastic film for safe delivery and storage.

Certifications and Standards:

  • ASTM C209, E96, C518, E1354
  • Currently under evaluation for ICC-ES International Code Compliance (2023)

Pros & Cons

Pros
  • Eco-Friendly: Made of 90% natural hemp, reducing environmental impact.
  • High Thermal Resistance: R-value of 3.7 per inch, comparable to traditional insulations.
  • Improved Humidity Management: Vapor permeability of 0.647 Perms ensures efficient humidity control.
  • Fire Safety: Treated with non-toxic fire retardants, resulting in a 6.67-second ignition time.
  • Low Heat and Smoke Release: Enhances safety in case of fire.
  • Organic Carbon Content: USDA Certified Biobased Material with 89.9% organic carbon, reducing greenhouse gases.
  • Moisture Resistance: Maintains efficiency despite moisture, an advantage over inorganic fibers.
Cons
  • Installation Knowledge: Requires specific knowledge for proper installation.
  • Certification: Under evaluation for ICC-ES International Code Compliance as of 2023.

Frequently Asked Questions

What is HempWool Insulation made of?

HempWool Insulation is composed of 90% natural hemp fiber and 10% polymer fiber, offering an eco-friendly alternative to traditional insulation materials.

How does HempWool compare to traditional insulation in terms of thermal resistance?

HempWool has a standard R-value of 3.7 per inch, making it competitive with traditional insulation products in terms of thermal resistance.

Is HempWool environmentally friendly?

Yes, HempWool is an environmentally friendly product. It is USDA Certified as a Biobased Material, contains 89.9% organic carbon, and helps reduce greenhouse gases. It's free from VOCs and Red List Chemicals.

Can HempWool be used in all areas of a building?

HempWool is versatile and suitable for exterior walls, floors, ceilings, and more, making it ideal for various parts of a building, especially in eco-conscious construction projects.

Is HempWool insulation safe to handle and install?

Yes, HempWool is safe to handle and causes no skin irritation. However, it's recommended to use dust masks and eye protection during installation.

What are the fire safety features of HempWool?

HempWool is treated with biobased, non-toxic fire retardants, resulting in a 6.67-second ignition time and low heat and smoke release rates, contributing to its safety in fire scenarios.

How does HempWool manage humidity?

HempWool has a vapor permeability of 0.647 Perms, ensuring superior humidity management within buildings.

Is there any certification for HempWool insulation?

HempWool insulation adheres to ASTM standards like C209, E96, C518, E1354 and is currently under evaluation for ICC-ES International Code Compliance as of 2023.

How does HempWool perform in terms of heat retention?

HempWool provides up to 10 hours of heat retention for 7.5 inches of insulation, enhancing its thermal efficiency.

What is the longevity and durability of HempWool?

HempWool offers high mechanical strength, preventing sagging or settling post-installation, but its long-term performance compared to traditional materials is still being established.

Length 48"
Thickness 5.5"
Average Heat Release Rate 5.74 (BTU/s/ft2)
Brand Hempitecture
Density of insulation 2.81 lbs/ft3 / 45Kg/m3
Heat Release Maximum Rate 10.98 (BTU/s/ft2)
Ignition Time 6.67 sec.
Thermal Conductivity 0.040W/m.K
Thermal Resistance R3.69/in
Total Heat Release 642.8 (BTU/s/ft2)
Total Smoke Release by Surface Unit 217.26 (ft2/lb)
Vapor Permeability 0.647 Perms / 37ng/Pa.s.m2

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.