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Hempitecture

HempWool R28 Hemp Insulation (192 Sq Ft/Pallet) - All Sizes

HempWool R28 Hemp Insulation (192 Sq Ft/Pallet) - All Sizes

SKU:716-HWR2816FP

EST Delivery Date Est Delivery between 6th Feb and 12th Feb.

The option you have selected may be in short supply. To make an enquiry please call us on 786-224-0029 or email us at sales@4us-group.com.

Size

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We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project

Based on your total area of 0m2 (inc. 10% wastage) you will need 1 of this product (total coverage ).
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Product Information

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.
Cons
  • 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

What is the R-value of HempWool Insulation?

HempWool Insulation has a standard R-value of 3.7 per inch, providing excellent thermal efficiency comparable to traditional insulation materials.

Is HempWool environmentally friendly?

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.

Can HempWool be used in all areas of a building?

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.

How is HempWool installed?

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.

Is HempWool fire-resistant?

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.

How does HempWool manage moisture?

With a vapor permeability of 0.647 Perms, HempWool ensures superior humidity management, maintaining its efficiency despite moisture.

What certifications does HempWool hold?

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

Is HempWool cost-effective compared to traditional insulation?

While HempWool may be more expensive initially, its environmental benefits and long-term energy savings can make it a cost-effective choice over time.

Technical Specifications
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.
Length 48"
Thermal conductivity 0.040W/m.K
Thermal resistance R3.69/in
Thickness 7.5"
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
Delivery Information

EST Delivery Date Est Delivery between 6th Feb and 12th Feb.

Delivery will always take place on a weekday (Mon - Fri excl. public holidays).

An exact shipping charge will be calculated at checkout based on your order and location.

For more information on shipping view our delivery info page.

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Frequently asked questions

Yes, of course!

Our team is ready to assist you with any questions and queries you may have.

Just reach out to us via any of the following methods:

Call us: 786-224-0029
Email us: sales@4us-group.com
or click the Livechat tab at the bottom of your screen.

As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.

If you require an update on your order, you can email deliveries@4us-group.com with your order number for assistance.

Yes, we offer a variety of flexible payment options to all our customers.

When checking out online, you'll be able to avail of multiple buy now, pay later options with ShopPay, Klarna or PayPal.

The flexible payment options available to you at checkout will be based on the total value of your order.

For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:

  • Dedicated trade pricing
  • Loyalty points and rewards
  • A dedicated account manager

Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@4us-group.com with the following information and we will get back to you with your very own bespoke price quote:

  • Delivery postcode and address
  • Mobile number
  • Company name
  • A list of required materials and their quantities

Yes! Pro contractors can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.

You can learn more here: Open a pro contractor account

Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.

Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.

Contact us immediately via sales@4us-group.com or call 786-224-0029 during opening hours.

If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.

Read more: Returns