{"id":4680,"date":"2023-11-26T00:50:48","date_gmt":"2023-11-26T05:50:48","guid":{"rendered":"https:\/\/havenearth.biz\/2023\/11\/26\/trade-association-announces-building-code-and-standard-developments\/"},"modified":"2023-11-26T00:50:48","modified_gmt":"2023-11-26T05:50:48","slug":"trade-association-announces-building-code-and-standard-developments","status":"publish","type":"post","link":"https:\/\/havenearth.biz\/2023\/11\/26\/trade-association-announces-building-code-and-standard-developments\/","title":{"rendered":"Trade Association Announces Building Code and Standard Developments"},"content":{"rendered":"
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By US Hemp Building Association<\/em><\/p>\n

The US Hemp Building Association, trade association for the hemp building industry, announced upcoming developments for 2024, including hemp-lime (\u201chempcrete\u201d) listed in US building codes, removing barriers for commercial architects and designers and helping hemp processors attain a \u201cbuilding grade\u201d hemp spec.<\/p>\n

At the organization\u2019s online corporate meeting Nov. 15, President Ray\u00a0Kaderli outlined the association\u2019s past year of participating in outreach and policy activities to bring hemp-lime (hempcrete) into the world of US construction.\u00a0<\/p>\n

Some highlights included members of the association speaking at the SXSW 2023<\/span><\/a> Climate Change conference in Austin, TX; EarthX<\/span><\/a> in Dallas; and at the National Association of Home Builders<\/span><\/a> yearly convention and Green Build Expo<\/span><\/a>, both in Washington DC.\u00a0<\/p>\n

Also in DC, Kaderli mentioned policy activities such as participating in the US Hemp Roundtable Fly-in to lobby for the fiber-grain exemption<\/span><\/a> in the new Farm Bill, and a personal conversation with HUD Secretary Marcia Fudge<\/span><\/a> (who\u2019s a fan of hemp building materials).\u00a0<\/p>\n

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USHBA members speak at SXSW 2023\u2019s Climate change Conference on March 11, 2023. L-R Jean Lotus, USHBA secretary; Kim Croes, Fiber Fort; Sergiy Kovalenkov, USHBA founding member; Ray Kaderli, USHBA president.<\/em><\/p>\n<\/figcaption><\/figure>\n

What\u2019s ahead for 2024?<\/strong><\/h2>\n

Residential Building Code rolls out:<\/strong> After two long years and lots of hard work by USHBA, hemp-lime will finally take its place<\/span><\/a> in US residential building codes starting in January, 2024, when the International Code Council releases the 2024 International Residential Code.\u00a0<\/p>\n

The ICC rolls out new codes every couple of years in a staggered schedule.\u00a0<\/p>\n

Next step is to get hemp-lime listed as a standard infill insulation in the International Building Code, said board member Tai Olson, of Chicago-based US Heritage Group.\u00a0<\/p>\n

\u201cWe\u2019re really just looking for a way to get two elements, thermal rating and fire rating into the commercial building codes,\u201d Olson told the group. Projects will still have to undergo the permitting process, Olson said.\u00a0<\/p>\n

The IECC deadline for thermal rating is January of 2024, too soon for USHBA to submit any data for that code system until the next code cycle, the association said.\u00a0<\/p>\n

However, Olson said projects\/builders can contract with labs to independently determine R-value rating independently before the IBC is published.<\/p>\n

Unlike other insulation such as mineral wool, HempWool or polyurethane foam, hemp-lime is a \u201csystem\u201d where multiple ingredients are combined on site. For this reason, builders who are using hemp-lime in blocks or panels or who have a specific recipe can just perform ASTM R-value testing<\/span><\/a> at a laboratory as USHBA corporate member Americhanvre\u2019s Ereasy system has already done, for example.\u00a0<\/p>\n

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Hemp-lime (‘hempcrete\u2019) slabs are measured for ASTM thermal resistance testing at \u00a0R & D Services in Watertown, TN. Photo courtesy of Americhanvre Cast Hemp<\/em><\/p>\n<\/figcaption><\/figure>\n

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IBC: <\/em><\/strong>The IBC fire-rating code cycle deadline isn\u2019t until January of 2025, so USHBA has a little over a year to raise donations and write and submit the code documents to the International Building Code. While US Hemp Building Foundation spent more than $50,000 and hundreds of volunteer hours<\/span><\/a> to submit hemp-lime in the 2024 IRC, the association believes it will take far less work and expense to submit documents for the IBC.\u00a0<\/p>\n

Meanwhile, for projects that are in the works before the IBC deadline, several private US companies and USHBA corporate members have already acquired ASTM fire testing for hempcrete, such as Hempitecture<\/span><\/a> (ASTM E-84 – fire rating zero) and Perennial Building <\/span><\/a>(ASTM E-119 – fire rating 1 hour). Additionally, fire testing<\/span><\/a> in the EU has a long history.<\/p>\n

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A new USHBA-funded commercial guide spec will remove barriers for commercial architects and designers to specify hemp-lime in large-scale commercial projects, such as the \u201cUrban Sequoia\u201d hemp high rise designed by SOM. Photo courtesy of SOM<\/em><\/p>\n<\/figcaption><\/figure>\n

Guide Spec removes barriers for commercial architects and designers<\/strong><\/h2>\n

The USHBA has contracted with Connecticut-based Arcat to publish a \u201ccommercial guide spec\u201d for hemp-lime to be released in early 2024. Corporate members of USHBA voted at the members meeting in May to produce a commercial guide spec.<\/p>\n

\u201cUS architects who want to design the big multi-story hemp-lime projects that are popping up in Europe have been frustrated because there\u2019s no easy way to spec these materials in US projects,\u201d said Kaderli, USHBA president<\/span><\/a>, in a statement announcing the spec last summer. \u201cWe want to make it easier for architects to include hemp-lime in their materials selection.\u201d<\/p>\n

The new guide spec will allow an architect to cut and paste the specifications and put them into bid documents, Olson said. The spec allows designers to bid out large-scale projects \u201cwithout having to write a guide spec from scratch.\u201d\u00a0<\/p>\n

\u201cAs a trade organization it\u2019s our responsibility to make sure that this document is available to the architects and designers that want to build with hempcrete,\u201d Olson said.\u00a0\u00a0<\/p>\n

USHBA will runt a draft past a small group of academics, commercial architects and builders before the release, Olson said.\u00a0<\/p>\n

The spec will be available for free download off the Arcat and USHBA websites.<\/p>\n

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Announcement made at Architecture League of NY by Parsons Healthy Materials Lab.<\/em> <\/p>\n<\/figcaption><\/figure>\n

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Rolling out material testing procedures:<\/strong> <\/h2>\n

A new material testing standard will be a tool for processors who are members of USHBA and anyone who needs to check for quality control on any type of hemp that they\u2019re sourcing, said Olson. Corporate members of USHBA voted at the members meeting in May to work on a materials guideline for processors.<\/p>\n

While ASTM is working on standards for fiber hemp in building materials, the organization has labored for years on a hemp fiber standard \u2013 meeting every six months.<\/p>\n

\u201cASTM is a slow-moving institution and that’s both a blessing and a curse,\u201d said Kaderli.\u00a0<\/p>\n

Meanwhile, many new US hemp processors have come on line, and builders need confidence that they are purchasing a building-grade hurd that works best with hemp-lime.\u00a0<\/p>\n

Builders also need to eliminate risk with assurance that they are buying building materials, and not animal bedding or absorbants, although these products are also made of hemp hurd raw materials.\u00a0<\/p>\n

While ASTM deliberates, USHBA will roll out a temporary materials testing procedure, Olson announced. The association already has a draft of a test standard (submitted to ASTM) and will follow up with blind testing at labs at North Dakota State and Oregon State universities to see if samples meet the guidelines.\u00a0<\/p>\n

\u201cThe test procedure will allow us to do size grading of the hurd as well as basic measurements of the quantity of dust and fiber,\u201d Olson said. \u201cThis procedure will give you a way to report what the size of your hurd is to a builder, to a designer to a code official.\u201d<\/p>\n

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Builders need reliable assurance that the hemp hurd they\u2019re buying is \u201cbuilding grade.\u201d<\/em> New USHBA procedures will help processors meet a spec for hurd.<\/em><\/p>\n<\/figcaption><\/figure>\n

The test procedures will also allow processors to internally test the product coming off their lines to see if it meets building-grade quality.\u00a0\u00a0<\/p>\n

This type of procedure \u201cneeds to be fast and it needs to be cheap,\u201d Olson said.<\/p>\n

Next steps will be to gather input from corporate members who are hemp processors to help roll out the new procedure, which they can market to builders as meeting the standards of the USHBA.<\/p>\n

Finally, USHBA announced that new board elections will be held in December of 2024. All current board members are serving 2-year terms.<\/p>\n

2024 will move the industry forward<\/h2>\n

With building code standardization, easy specifying in commercial structures and material standards for hemp, the year 2024 will be\u00a0 a groundbreaking year for USHBA to remove challenges for hemp-lime building materials in the US marketplace.\u00a0<\/p>\n

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Offered as part of a special partnership between USHBA and HempBuildMag. HempBuildMag receives a commission through this arrangement.<\/em> <\/p>\n<\/figcaption><\/figure>\n

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