{"id":4150,"date":"2022-08-08T08:00:00","date_gmt":"2022-08-08T12:00:00","guid":{"rendered":"https:\/\/havenearth.biz\/2022\/08\/08\/portugal-hempcrete-mixed-with-charcoal-builds-solid-walls\/"},"modified":"2022-08-08T08:00:00","modified_gmt":"2022-08-08T12:00:00","slug":"portugal-hempcrete-mixed-with-charcoal-builds-solid-walls","status":"publish","type":"post","link":"https:\/\/havenearth.biz\/2022\/08\/08\/portugal-hempcrete-mixed-with-charcoal-builds-solid-walls\/","title":{"rendered":"Portugal: Hempcrete Mixed with Charcoal Builds Solid Walls"},"content":{"rendered":"
By Jo\u00e3o carvalho, Canareorter.eu<\/strong><\/p>\n Oficina de Arquitectura Pedrez, based in Porto, was created in 2020 by Matilde Cabral and Francisco Ad\u00e3o da Fonseca and was born from the couple’s decision to work together, combining Matilde’s textile knowledge with Francisco’s architectural visions.<\/em><\/p>\n In the work presented here, the reconstruction of a single-family house, on a hillside overlooking the Douro River, hemp straw combines with the concept of burnt wood, from Japan, with the notion of the different reactions of each material in terms of PH , the logic of multilayers and the CO2 retention capacity and positive ecological footprint of this natural fiber.\u00a0..<\/em><\/p>\n What is the program of this work, Francisco?<\/strong><\/p>\n This work is a house, in the center of Porto, with all the characteristics of an urban dwelling, in which we reuse a work of art that was built at the Jos\u00e9 de Guimar\u00e3es International Arts Center (CIAJG). We reuse this sculpture, a massive sculpture, several walls measuring tens of m2 in this mixture of hemp concrete with charcoal, we reuse it in a house, in what, we now see,\u00a0a posteriori<\/em>, is an authentic prefabrication part.<\/p>\n So, did you take a massive wall, cut it into blocks and fill in the needs of the work?<\/strong><\/p>\n Precisely that. There was a wall, we cut it and now we rebuilt that \u201cLego\u201d in a new construction.<\/p>\n In relation to eco-construction, why the use of\u00a0hempcrete<\/em>\u00a0as a building material?<\/strong><\/p>\n O\u00a0hempcrete\u00a0it is the most capable material I have ever come into contact with.\u00a0I have experience in various types of construction, in various so-called sustainable construction systems and I have never come into contact with anything as complete as hemp concrete.\u00a0<\/strong>It is the only building material\/system (because it then implies a certain construction system) that allows us to make 25 cm walls that comply with thermal, acoustics, fire regulations and with which, to a certain extent, we were also able to meet the requirements of a facade material and aesthetic requirements for finishing the interior of the walls, so there is no other building material as capable, in terms of construction, as this one. This is not to mention the indirect characteristics of the life cycle of the material, which bring us agricultural benefits, employability, capacity for restructuring soils that are exhausted, desertified, so to speak. So I think it’s material that, if we talk about its potential, would give here another four-page article alone!<\/p>\n In addition to this incredible array of uses or characteristics, you decided to add charcoal as one more component of this mortar. Why? <\/strong>Burnt, charred wood is historically used as a wood protection measure on the exterior of buildings. It is a technique usually attributed to the Japanese, called\u00a0Sugi Ban<\/em>, which we wanted to adapt for hemp construction, by inserting charcoal into the mixture and\/or burning the hemp straw itself, so that, outdoors, it is not necessary to give the material any type of treatment.<\/p>\n Francisco Ad\u00e3o da Fonseca and Matilde Cabral at the hemp and charcoal house in Porto. Photo: <\/em>Jo\u00e3o carvalho<\/strong><\/p>\n<\/figcaption><\/figure>\n READ MORE at CANNAREPORTER.EU<\/a><\/p>\n (To find out more about advertising CLICK HERE<\/a>).<\/p>\n Help Wanted: <\/strong><\/p>\n Texas: Careers in Hemp Building, a modern take on the historic craftsman. Salary Range $32,000-$65,000<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n Training and Education<\/strong><\/p>\n Online Hempcrete Masterclass from Endeavour Centre<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n Publications<\/strong><\/p>\n Hemp Building Directory 2022 – Guide to the International Hemp Building Industry<\/strong><\/a><\/p>\n<\/li>\n Available Now! \u201cHemp Buildings – 50 International Case Studies\u201d by Steve Allin<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n Hemp Hurd (shivs)\/Hemp Fiber\/ Hemp Microfiber<\/strong><\/p>\n Hemp Building Company: Hempcrete Supplies, Training Programs. 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SP, P.E., Los Angeles<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n Hemp Genetics<\/strong><\/p>\n Quality Hemp Building Materials Start with Elite Genetics<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n Professional Associations<\/strong><\/p>\n Join Trailblazers at U.S. Hemp Building Assn.<\/strong><\/a><\/p>\n<\/li>\n Join the Midwest Hemp Council<\/strong><\/a><\/p>\n<\/li>\n<\/ul>\n Events<\/strong><\/p>\n<\/p>\n<\/figure>\n
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