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ABOUT HEMPCRETE
Hempcrete is a medium density natural insulation material produced by wet-mixing hemp shiv with a lime binder, which has extraordinary thermal properties and “deep-green” sustainability credentials.
People also ask
- What is Hempcrete?
- Is Hempcrete stronger than concrete?
- Is Naturally Fire-Retardant and Pest-Resistant?
- Where is Hempcrete made?
- Is hemp a good insulator?
- Does drywall have an R value?
- Is AirCrete waterproof?
- What exactly is hemp?
- How strong is hemp fiber?
- What is Ferrock?
- How long does Hempcrete take to dry?
- How much hemp does it take to make Hempcrete?
- What are the benefits of Hempcrete?
- Can Hempcrete be load bearing?
- Is Hempcrete expensive?
- Is Hempcrete expensive?
- Is Hempcrete lighter than concrete?
- How long will Hempcrete last?
- What is the R value of Hempcrete?
- How much hemp does it take to make Hempcrete?
- Is Hempcrete mold resistant?
- What are the benefits of Hempcrete?
- Can Hempcrete be used for foundations?
- Is hemp stronger than steel?
- Do hemp farms smell?
- Does Hempcrete use sand?
- Is Hempcrete fireproof?
- Does Hempcrete absorb co2?
- Is Hempcrete legal in the US?
- Can you paint Hempcrete?
- How much money can you make on an acre of hemp?
- Is Hempcrete carbon negative?
- Why is Hempcrete fireproof?
- How do you mix Hempcrete?
- How is Hempcrete sustainable?
- Which material has the highest R value?
- How do you make homemade Hempcrete?
- Is hemp a good building material?
- What is hemp shiv?

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Walls
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Attics or Lofts
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Underneath Floors
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Plasters
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New Builds
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Insulating Older Homes
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Bags are shipped most economically in quantities of two, by the pallet, or 1/2 or full truckload.


Asheville Hemp House Pre-Finish
The Asheville Hemp House During Construction. Click on the Links in the Header to Learn More.
Hempcrete Sample Block 1-2-3 Setup



Interested in DIY Recipes for Hempcrete?

Steve Allin's book, "Building With Hemp" has DIY lime binder recipes, which you can use to make sample hempcrete blocks. The are other DIY lime binder recipes across the Web.
In effect, the hempcrete provides a “permantent shuttering” to the reinforced concrete element. Hempcrete does not exhibit the compressive strength assoicated with concrete- one reason being its not a dense material. ... Lime mortars and limecrete inherently have a lower final compressive strength than concrete. Hempcrete Contractors Builders Investors
Hempcrete is naturally both fire-retardant and pest-resistant. Lime is completely unappealing to pests/termites (they will not eat it) and hydraulic lime in your hempcrete mix will render the encapsulated wood fire-proof and not create a toxic black smoke.
Operating in 5 countries via a large distribution network, the company is located at the heart of Belgium, in the Namur region. The production plant manufactures more than one million hempcrete blocks per year and has 2,000 pallets of stock ready at all times.
Hemp makes an excellent insulator. This is due to its low conductivity levels and its high thermal mass. Hemp insulation will not only keep your home warm in the winter, but cool in the summer, and will insulate your home from the obtrusive sounds of the world outside
While all building materials have some kind of R-value resistance to heat movement, insulation greatly increases the R-value of a wall, ceiling, floor or other building components. As one example, drywall at 1/2" thickness has an R-value of 0.45—a fairly low value.
Aircrete is waterproof and it will not rot or decompose in water. You can have sprinklers fitted on your roof garden and water will not seep through the aircrete waterproof roofs.
Hemp, (Cannabis sativa), also called industrial hemp, plant of the family Cannabaceae cultivated for its fibre (bast fibre) or its edible seeds. Hemp is sometimes confused with the cannabis plants that serve as sources of the drug marijuana and the drug preparation hashish.
Strong. Hemp is one of the strongest fibers around and is actually up to four times as strong as alternatives such as cotton or wool. This means that hemp apparel can bare a lot more weight and take a lot more damage than most other clothing pieces or bags.
Ferrock is a binder that is a blend of Iron Powder, Flyash, Lime Powder, Metakaolin and Oxalic acid. Oxalic acid acts as a catalyst and on reaction with CO2 and water produces Iron Carbonates, which is the hardened product. It can enhance the environment by absorbing the atmospheric CO2 for its hardening process
Q. How long does Hempcrete take to cure before rendering with lime? A. Allow 6-8 weeks typically (depending on climate/season) to let the Hempcrete dry to around 12-15% moisture content.
It takes about two tons, or approximately 125 bags, of hemp to build a tiny hemp house, but you can go full-sized too. A 1,500 square-foot house, or about the size of an average three-bedroom home, requires around 1,000 33-pound bags of hemp.May 10, 2017
- It has great energy efficiency.
- It maintains a steady temperature.
- It doesn't shrink, so there are no crack lines.
- It is a breathable material.
- It provides a healthy environment.
- It's very simple to use if you follow the process correctly.
- It gains in strength over time.
- It has great energy efficiency.
- It maintains a steady temperature.
- It doesn't shrink, so there are no crack lines.
- It is a breathable material.
- It provides a healthy environment.
- It's very simple to use if you follow the process correctly.
- It gains in strength over time.
Hempcrete is a “carbon-negative” or ”better-than-zero-carbon” material; more carbon is taken out of the atmosphere by the growth of the hemp plant than is emitted as a result of its production and application on site
We mix our hempcrete at a ratio of 1 part chopped hemp hurd by weight, with 1.5 parts of the binder by weight. After translating these weights to volume measurements, it was 4 buckets or hemp hurd going into the mixer with 1 bucket of binder (1/2 lime, 1/2 metakaolin).
- Vacuum insulated panels have the highest R-value, approximately R-45 (in U.S. units) per inch; aerogel has the next highest R-value (about R-10 to R-30 per inch), followed by polyurethane (PUR) and phenolic foam insulations with R-7 per inch. ...
- Straw bales perform at about R-1.5 per inch.
Hempcrete Contractors Builders Investors
Hempcrete Contractors Builders Investors
Recent Blogs
Hempcrete Homes Sustainable Durable
Hempcrete Homes Sustainable Durable Hempcrete Homes Are Sustainable, Durable, And Healthier To Live in KIT O'CONNELL / JANUARY 30, 2018 / 3 COMMENTS Did you know there’s a building material that’s durable, sustainable, healthier for the occupants and even carbon...
Eco-Friendly Construction Breakthrough
Eco-Friendly Construction Breakthrough: Lego-like Hempcrete Blocks That Don't Require Framing The interlocking bricks are also temperature-regulating and fireproof Starting in France just a couple of decades ago, a handful of builders began using hempcrete bricks in...
White Paper Compilation Building
Compilation of relevent research By Kim Brooks August 2018 Hempcrete Natural Building is a privately held Canadian company, established in 2003. The following describes the hempcrete material, research results from testing from a broad variety of testing facilities...
Marijuana giants jump-start
Marijuana giants have a new plan to jump-start US hemp’s supply chain Three cannabis veterans who helped grow a Canadian firm into the biggest company in the industry are setting their sights – and investing up to $175 million – on the U.S. hemp supply chain beyond...
PLANET PLASTIC Keeping a calamity a secret
How Big Oil and Big Soda kept a global environmental calamity a secret for decades ByTIM DICKINSONMARCH 3, 2020 FacebookTwitterRedditEmailShow more sharing options Every human on Earth is ingesting nearly 2,000 particles of plastic a week. These tiny pieces enter...
A Hempcrete House for Tarpon Springs, FL.
Summer 2012. We are building the first hempcrete house in Florida and one of a very few in America. Follow along as work progresses. We broke ground in mid-April and anticipate completion by November. There are many hempcrete structures in Europe, but few in America....
GeoSIP Hempcrete Block wall construction.
https://www.youtube.com/watch?v=wU1cuF8C_Us&fbclid=IwAR0HHSmrgrHKpE0lN-yn0f1XHDHRu4VGlha70KJMBNddWcU-bU0F03fS86Q
Hempcrete scores a perfect ‘O’ under ASTM fire testing in USA
Hempcrete’s perfect performance in recent fire resistance tests in the USA can help move the material one step closer to acceptance after samples put together by U.S. hemp builder Hempitecture scored perfectly in analysis carried out by ASTM, the international...
Is Hempcrete Naturally Fire-Retardant and Pest-Resistant?
Hempcrete is naturally both fire-retardant and pest-resistant. Lime is completely unappealing to pests/termites (they will not eat it) and hydraulic lime in your hempcrete mix will render the encapsulated wood fire-proof and not create a toxic black smoke. As...
Is Hempcrete stronger than concrete?
6 Answers - from Quora! Richard Anthony Johnson, MSc CONCRETE ENGINEERING & Structural Engineering, University of Sheffield (1998) Answered Apr 24, 2019 This is not as straight forward as you might think. However, the short answer is no. Hempcrete is typically not...