{"id":4611,"date":"2023-07-13T17:45:30","date_gmt":"2023-07-13T21:45:30","guid":{"rendered":"https:\/\/havenearth.biz\/2023\/07\/13\/co-mountain-hempcrete-home-draws-curiosity-in-wildfire-zone\/"},"modified":"2023-07-13T17:45:30","modified_gmt":"2023-07-13T21:45:30","slug":"co-mountain-hempcrete-home-draws-curiosity-in-wildfire-zone","status":"publish","type":"post","link":"https:\/\/havenearth.biz\/2023\/07\/13\/co-mountain-hempcrete-home-draws-curiosity-in-wildfire-zone\/","title":{"rendered":"CO Mountain Hempcrete Home Draws Curiosity in Wildfire Zone"},"content":{"rendered":"
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Hempcrete home owner and designer Aliyah Field poses in the window of her newly hemped home outside La Veta, CO. Photo by Jean Lotus<\/em><\/p>\n<\/figcaption><\/figure>\n

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By Jean Lotus<\/em><\/p>\n

A new hempcrete home in the southwestern Colorado mountains drew interest from local townsfolk because of its wildfire resistant property, the owner said.\u00a0<\/p>\n

Aliyah Field\u2019s new passive-house design and matching hempcrete garage\/greenhouse is perched outside La Veta, CO in a mountain neighborhood that still shows scars of a recent wildfire.<\/p>\n

\u201cIn Colorado our primary natural disaster to worry about is fire,\u201d Field told HempBuild Mag, pointing out some charred shrubs dotting her 14-acre property. \u201cAs you can see, a forest fire has been through here not that long ago. One of the things that really attracted me to hempcrete is its fire resistance\u201d she added.<\/p>\n

Word about the build spread quickly around the area when she started construction of the greenhouse last year and neighbors have gotten in touch, she said. \u201cI’ve definitely sparked some interest in the area. We’ll see if anyone else in the neighborhood\u00a0 jumps on the hempcrete bandwagon,\u201d she said.\u00a0<\/p>\n

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Passive house design was used to create the new 1,500 sq. foot hempcrete build in La Veta, CO. Photo by Jean Lotus<\/em><\/p>\n<\/figcaption><\/figure>\n

The new house was sourced with all-local materials and that shows the promise of the local hemp economy, said Phelan Dalton, founder of the Lafayette, CO-based Hemp Building Company. <\/p>\n

More than 20,000 lbs of industrial hemp in the walls of the house was grown in the nearby San Luis Valley, processed by Global Fiber Processing in Monte Vista, CO and trucked to the La Veta site, keeping the entire materials supply chain within a radius of 75 miles.\u00a0<\/p>\n

The Hemp Building Co. crew took 15 days to fill the 12-inch walls with hemp-lime. The inner and outer walls will be covered with lime plaster. A crew from ages 17-71 worked on the hempcrete walls over three weeks on the job, Dalton said.\u00a0<\/p>\n

Using hempcrete for a wall infill means owner Field \u2014 working as her own general contractor \u2014 did not have to coordinate crews of subcontractors to install the typical multi-layer wall assembly of siding, insulation, sheathing, waterproofing and drywall.\u00a0<\/p>\n

Also notable on the construction site: No dumpster filled with construction materials destined for the landfill. <\/p>\n

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Field said she was intrigued by hempcrete\u2019s performance properties and jumped at the chance to try it when she heard builders were using it in Colorado.<\/p>\n

\u201cI originally hadn’t even considered it cause I thought it wasn’t even viable in the United States yet,\u201d she said. She designed the house before she made the choice of hempcrete walls, she said. \u201cIf I had to do it again, I would probably make some changes.\u201d\u00a0<\/p>\n

Field got engineering help from Wellington, CO-based natural building engineer Mark Benjamin at Crown Jade Design and Engineering, who\u2019s worked on multiple hemp projects in the state. With engineering advice, permitting was not a problem in remote Huerfano County, with a population of fewer than 7,000 residents.\u00a0<\/p>\n

\u201cThe county’s been really great, actually,\u201d Field said. \u201cThey haven’t said yes to everything I’ve asked them, but they’ve been very easy to work with.\u201d<\/p>\n

Field works as both an architectural designer and potter, two areas of expertise she combines in her company Adamah Designs, named after a Hebrew word meaning \u201cfrom the earth.\u201d\u00a0<\/p>\n

Field says her specialty is designing \u201csmaller, smarter\u201d living spaces that maximize efficiency.<\/p>\n

The 1,500 sq. foot home has a high ceiling and includes a pottery studio, a 1.5 baths and a bedroom and spare loft bedroom and a root cellar. The home has no gas hookup. Solar power from panels on the garage fuels the radiant heating system under the floor and will (mostly) power her electric kiln.\u00a0<\/p>\n

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Hemp Building Company founder Phelan Dalton and his crew between ages 17-71 installed hempcrete on the home in 15 work days. Photo by Jean Lotus<\/em><\/p>\n<\/figcaption><\/figure>\n

Field used passive-house principles to design overhangs that would shade the house in the summer and allow south-facing windows to absorb heat in the winter.<\/p>\n

The view from the home includes one of the landmark Spanish Peaks, called \u201cWahatoya\u201d by the Ute, Comanche, Apache and earlier indigenous residents, meaning \u201cBreasts of the Earth.\u201d Geological lava vein formations visible from the home resemble narrow free-standing dinosaur-like spines.<\/p>\n

Arched doorways provide a less angular look.\u00a0 Field said the view and geology help inspire her design choices, \u201cI’m very much trying to draw from the landscape and the surrounding terrain.\u201d<\/p>\n

The\u00a0 walls will provide an R-value of about 2 per inch, and the hemp insulation surrounds the house in a cozy blanket called a \u201cmonolithic envelope\u201d that works with the air pockets in the woody hemp hurd to moderate temperature. This means no need for a furnace and air ducts.<\/p>\n

\u201cI\u2019ve definitely never worked with this material before, so I\u2019m interested to see how the hempcrete moderates the temperature and how it all works out,\u201d Field said. <\/p>\n

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Members of the hemp crew that installed hempcrete walls at the La Veta build pose at the back of the new house. Photo by Jean Lotus<\/em><\/p>\n<\/figcaption><\/figure>\n

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