Rated Excellent
- 40138831888433, no_call_for_price
- 40138831921201, no_call_for_price
- Regular price
- $508.46
- Sale price
- $508.46
- Regular price
-
$563.17 - Unit price
- /per
HempWool R20 Hemp Insulation (256 Sq Ft/Pallet) - All Sizes
Adding product to your cart
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.
Click here to view full description
Frequently Bought Together
Viper VaporCheck 12 ft x 200 ft
Viper VaporCheck is a cross-woven reinforced under-slab vapor barrier specifically designed to prevent moisture migration through concrete slabs-on-grade.
View Product »
Wraptor House Wrap 5 perm
Wraptor House Wrap is a breathable, cross-woven polypropylene building wrap that helps prevent wall sheathing from soaking up moisture that gets behind the exterior cladding.
View Product »
LWP Insulated Wood Attic Ladder
This elegant, superior quality Fakro LWP Insulated Wood Attic Ladder is built from quality pine and fully assembled.
View Product »
Double Bubble Reflective Foil Insulation Rolls
Double Bubble Reflective Foil is used as insulation against radiant heat transfer.
View Product »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.
- Installation Knowledge: Requires specific knowledge for proper installation.
- Certification: Under evaluation for ICC-ES International Code Compliance as of 2023.
Frequently Asked Questions
HempWool Insulation is composed of 90% natural hemp fiber and 10% polymer fiber, offering an eco-friendly alternative to traditional insulation materials.
HempWool has a standard R-value of 3.7 per inch, making it competitive with traditional insulation products in terms of thermal resistance.
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.
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.
Yes, HempWool is safe to handle and causes no skin irritation. However, it's recommended to use dust masks and eye protection during installation.
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.
HempWool has a vapor permeability of 0.647 Perms, ensuring superior humidity management within buildings.
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.
HempWool provides up to 10 hours of heat retention for 7.5 inches of insulation, enhancing its thermal efficiency.
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 |
Orders placed for Polycarbonate products are typically made to order and typically cannot be cancelled 24hrs after placing your order. However in some instances orders can be cancelled up to 72hrs after your order is placed. If you wish to cancel your order please email deliveries@4us-group.com and one of our agents will assist you as best they can.
60" and 72" are calculated at Checkout
Reach Barriers: Location Based Shipping Rates - Calculated at Checkout
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.