Rated Excellent
- 40138841554993, no_call_for_price
- 40138841587761, no_call_for_price
- Regular price
- $450.74
- Sale price
- $450.74
- Regular price
-
- Unit price
- /per
HempWool R28 Hemp Insulation (192 Sq Ft/Pallet) - All Sizes
Adding product to your cart
Est
Delivery between
and
.
Estimated Lead Time 10-15 Working Days
- HempWool Insulation boasts a high R-value of 3.7 per inch, is environmentally friendly, and suitable for various building areas.
- It offers excellent moisture management, fire resistance due to biobased retardants, and is easy to install in wooden or steel frames.
- 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 R28 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 from 90% natural hemp, contributing to reduced greenhouse gases and free from VOCs and Red List Chemicals.
- High Thermal Efficiency: With an R-value of 3.7 per inch, it offers excellent thermal resistance, competing with traditional insulation materials.
- Vapor Permeability: Superior humidity management due to its vapor permeability of 0.647 Perms.
- Fire Safety: Treated with biobased, non-toxic fire retardants, it has a safe ignition time of 6.67 sec and low heat and smoke release rates.
- Hygrothermal Behavior: Maintains efficiency despite moisture, providing an advantage over inorganic fibers.
- Phase Shift Regulation: Offers up to 10 hours of heat retention, enhancing thermal efficiency.
- Dimensional Stability: High mechanical strength prevents sagging or settling after installation.
- User-Friendly Installation: Easy friction fit for wooden or steel frames and safe to handle with minimal skin irritation.
- Cost: May be more expensive than traditional insulation materials, impacting initial investment.
- Limited Availability: As a newer product, it might not be as readily available as conventional options.
- Certification Pending: Still under evaluation for ICC-ES International Code Compliance as of 2023, which may affect acceptance in some regions.
Frequently Asked Questions
HempWool Insulation has a standard R-value of 3.7 per inch, providing excellent thermal efficiency comparable to traditional insulation materials.
Yes, HempWool is made from 90% natural hemp and is a USDA Certified Biobased Material. It contributes to the reduction of greenhouse gases and is free from VOCs and Red List Chemicals.
HempWool is ideal for exterior walls, floors, and ceilings, offering improved air quality and acoustic comfort, making it suitable for various parts of a building.
HempWool is designed for easy friction fit between wooden or steel frames and is safe to handle with minimal skin irritation. Dust masks and eye protection are recommended during installation.
HempWool is treated with biobased, non-toxic fire retardants, ensuring increased safety with an ignition time of 6.67 sec and low heat and smoke release rates.
With a vapor permeability of 0.647 Perms, HempWool ensures superior humidity management, maintaining its efficiency despite moisture.
HempWool complies with ASTM C209, E96, C518, E1354 standards and is currently under evaluation for ICC-ES International Code Compliance as of 2023.
While HempWool may be more expensive initially, its environmental benefits and long-term energy savings can make it a cost-effective choice over time.
| Length | 48" |
| Thickness | 7.5" |
| 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 |
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.