{"id":2197,"date":"2026-10-05T12:51:41","date_gmt":"2026-10-05T12:51:41","guid":{"rendered":"https:\/\/biomattone.it\/cose-il-biomattone-composizione-formati-e-come-funziona\/"},"modified":"2026-10-20T08:03:00","modified_gmt":"2026-10-20T08:03:00","slug":"what-is-biomattone-composition-formats-and-how-it-works","status":"publish","type":"post","link":"https:\/\/biomattone.it\/en\/what-is-biomattone-composition-formats-and-how-it-works\/","title":{"rendered":"What Is Biomattone\u00ae: Composition, Formats and How It Works"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">What is the Biomattone? It is a prefabricated hemp-lime block for masonry and insulation. It is made of coarse hemp shiv, a natural dolomitic binder and a probiotic additive. It comes in 8 formats, from BA8 to BA50, with thicknesses from 8 to 50 cm.<\/p>\n\n<h2 class=\"wp-block-heading\">At a glance<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Composition:<\/strong> coarse hemp shiv, natural dolomitic binder, probiotic additive.<\/li>\n\n\n\n<li><strong>Formats:<\/strong> 8, from BA8 to BA50, with thicknesses from 8 to 50 cm.<\/li>\n\n\n\n<li><strong>Insulation:<\/strong> thermal conductivity 0.044 W\/mK; U from 0.5 to 0.09 W\/m\u00b2K.<\/li>\n\n\n\n<li><strong>Phase shift:<\/strong> from 3h00&#8242; (BA8) to 32h04&#8242; (BA50), without plaster.<\/li>\n\n\n\n<li><strong>Other data:<\/strong> dry density 310 kg\/m\u00b3, \u03bc 4.5, Class A sound absorption, fire B-s1,d0.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><em>By Tecnocanapa Bioedilizia by SENINI. Updated October 5, 2026. Data source: Biomattone\u00ae NOV25 technical data sheet.<\/em><\/p>\n\n<h2 class=\"wp-block-heading\">In this article<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"#cos-e\">What the Biomattone is and how it is made<\/a><\/li>\n\n\n\n<li><a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"#come-funziona\">How it works in the wall<\/a><\/li>\n\n\n\n<li><a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"#formati\">Formats from BA8 to BA50<\/a><\/li>\n\n\n\n<li><a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"#applicazioni\">Where it is used<\/a><\/li>\n\n\n\n<li><a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"#territorio\">Brescia and Bolzano<\/a><\/li>\n\n\n\n<li><a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"#faq\">FAQ<\/a><\/li>\n<\/ul>\n\n<h2 id=\"cos-e\" class=\"wp-block-heading\">What the Biomattone is and how it is made<\/h2>\n\n<p class=\"wp-block-paragraph\">Biomattone\u00ae is a mineral and plant-based biocomposite. It is part of Senini&#8217;s Tecnocanapa Bioedilizia\u00ae system. Until 2024 the product was sold under the name Blocco Ambiente\u00ae. Hemp shiv is the woody part of the hemp stalk. The binder is a natural dolomitic lime. The probiotic additive contains symbiotic microorganisms.<\/p>\n\n<p class=\"wp-block-paragraph\">The block is prefabricated, so it arrives on site ready to use. It is laid with a thin mortar of lime and hemp shiv. The manufacturer is Senini, in Montichiari, in the province of Brescia.<\/p>\n\n<h2 id=\"come-funziona\" class=\"wp-block-heading\">How it works in the wall<\/h2>\n\n<p class=\"wp-block-paragraph\">In a single element, Biomattone\u00ae combines thermal insulation, thermal mass and vapor permeability. Its thermal conductivity is 0.044 W\/mK, its dry density is 310 kg\/m\u00b3 and its specific heat capacity is 1280 J\/kgK.<\/p>\n\n<p class=\"wp-block-paragraph\">The vapor resistance factor \u03bc is 4.5, which means vapor passes through the wall easily. Sound absorption is Class A, and reaction to fire is B-s1,d0. All values come from the official NOV25 technical data sheet.<\/p>\n\n<h2 id=\"formati\" class=\"wp-block-heading\">Biomattone formats from BA8 to BA50<\/h2>\n\n<p class=\"wp-block-paragraph\">The format indicates the thickness of the block in centimeters. The greater the thickness, the better the thermal transmittance and phase shift. For example, the BA50 reaches U 0.09 W\/m\u00b2K and a phase shift of 32h04&#8242;.<\/p>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Format<\/th><th>Dimensions L\u00d7H\u00d7T (cm)<\/th><th>U (W\/m\u00b2K)<\/th><th>Rt (m\u00b2K\/W)<\/th><th>Phase shift (without plaster)<\/th><\/tr><\/thead><tbody><tr><td>BA8<\/td><td>50\u00d720\u00d78<\/td><td>0.5<\/td><td>1.99<\/td><td>3h00&#8242;<\/td><\/tr><tr><td>BA12<\/td><td>50\u00d720\u00d712<\/td><td>0.34<\/td><td>2.9<\/td><td>5h44&#8242;<\/td><\/tr><tr><td>BA20<\/td><td>50\u00d740\u00d720<\/td><td>0.21<\/td><td>4.71<\/td><td>11h19&#8242;<\/td><\/tr><tr><td>BA25<\/td><td>50\u00d720\u00d725<\/td><td>0.17<\/td><td>5.85<\/td><td>14h46&#8242;<\/td><\/tr><tr><td>BA30<\/td><td>50\u00d720\u00d730<\/td><td>0.14<\/td><td>6.99<\/td><td>18h14&#8242;<\/td><\/tr><tr><td>BA36<\/td><td>40\u00d720\u00d736<\/td><td>0.12<\/td><td>8.35<\/td><td>22h23&#8242;<\/td><\/tr><tr><td>BA40<\/td><td>50\u00d720\u00d740<\/td><td>0.11<\/td><td>9.01<\/td><td>25h08&#8242;<\/td><\/tr><tr><td>BA50<\/td><td>40\u00d720\u00d750<\/td><td>0.09<\/td><td>11.53<\/td><td>32h04&#8242;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Note that the phase shift refers to unplastered masonry. The right format, however, depends on the project. The next step is therefore the page on <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-brescia-sizes-prices-and-technical-specifications\/\">formats, prices and technical data in Brescia<\/a> or the one on <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-bolzano-sizes-prices-and-technical-specifications\/\">formats, prices and technical data in Bolzano<\/a>.<\/p>\n\n<h2 id=\"applicazioni\" class=\"wp-block-heading\">Where the Biomattone is used<\/h2>\n\n<p class=\"wp-block-paragraph\">The system has several documented applications. For example, it is used for insulating, vapor-permeable infill masonry. It also works as an insulating lining wall, internal or external, on existing masonry.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>insulating, vapor-permeable infill walls;<\/li>\n\n\n\n<li>internal or external lining walls on existing masonry;<\/li>\n\n\n\n<li>internal partitions with sound insulation;<\/li>\n\n\n\n<li>insulation of subfloors.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">However, the choice depends on the building, the climate zone and the project goals. That is why the technical specialist assesses the application and thickness case by case.<\/p>\n\n<h2 id=\"territorio\" class=\"wp-block-heading\">Biomattone in Brescia and Bolzano<\/h2>\n\n<p class=\"wp-block-paragraph\">For Brescia you can find <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/what-is-biomattone-hemp-and-lime-in-brescia\/\">what Biomattone is in Brescia<\/a>, the <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-brescia-sizes-prices-and-technical-specifications\/\">formats and technical data<\/a> and the <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-brescia-projects-certifications-and-reviews\/\">projects and certifications<\/a>. For Bolzano, you can find <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/what-is-biomattone-hemp-and-lime-in-bolzano\/\">what Biomattone is in Bolzano<\/a> and its <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-bolzano-performance-termiche-for-climi-rigidi\/\">performance in harsh climates<\/a>.<\/p>\n\n<p class=\"wp-block-paragraph\">The <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-bolzano-certifications-and-sustainability\/\">certifications and sustainability<\/a> page also explains the EPD and the Biosafe\u00ae validation. For EPDs in general, see the <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/www.epditaly.it\/\">EPDItaly<\/a> program. You can also go back to the <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/\">Biomattone\u00ae main page<\/a>.<\/p>\n\n<h2 id=\"faq\" class=\"wp-block-heading\">Biomattone FAQ<\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1791207651887\"><strong class=\"schema-faq-question\">What is Biomattone\u00ae made of?<\/strong> <p class=\"schema-faq-answer\">It is made of coarse hemp shiv, a natural dolomitic binder and a probiotic additive. The block is prefabricated and available in 8 formats.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791207651888\"><strong class=\"schema-faq-question\">How many Biomattone\u00ae formats are there?<\/strong> <p class=\"schema-faq-answer\">There are 8 formats: BA8, BA12, BA20, BA25, BA30, BA36, BA40 and BA50. The number indicates the thickness in centimeters.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791207651889\"><strong class=\"schema-faq-question\">Is Biomattone\u00ae vapor-permeable?<\/strong> <p class=\"schema-faq-answer\">Yes, the technical data sheet gives a vapor resistance factor \u03bc of 4.5. This means vapor passes easily through the wall.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791207651890\"><strong class=\"schema-faq-question\">What is the difference between BA30 and BA50?<\/strong> <p class=\"schema-faq-answer\">BA30 has a U-value of 0.14 W\/m\u00b2K and a thermal phase shift of 18h14&#8242;. BA50, by contrast, has a U-value of 0.09 W\/m\u00b2K and a phase shift of 32h04&#8242;. So BA50 insulates better and delays heat transfer longer.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791207651891\"><strong class=\"schema-faq-question\">How does Biomattone\u00ae perform in a fire?<\/strong> <p class=\"schema-faq-answer\">Its reaction to fire is B-s1,d0. Fire resistance is EI 180 for BA30 to BA50 and EI 60 for BA12. The data sheet does not give this value for the other formats.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1791207651892\"><strong class=\"schema-faq-question\">How much does Biomattone\u00ae cost?<\/strong> <p class=\"schema-faq-answer\">The cost depends on the format, quantity, wall build-up, logistics and installation. You can request a quote from the formats page.<\/p> <\/div> <\/div>\n\n<p class=\"wp-block-paragraph\">To request a quote, see the <a style=\"color:#9e5931;text-decoration:underline;font-weight:600;\" href=\"https:\/\/biomattone.it\/en\/biomattone-in-brescia-sizes-prices-and-technical-specifications\/\">formats, prices and technical data<\/a> page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is Biomattone\u00ae? A hemp-lime block in 8 formats from BA8 to BA50: composition, technical data and applications from the official data sheet.<\/p>\n","protected":false},"author":2,"featured_media":2065,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[17,16],"class_list":["post-2197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biomattone-guides","tag-bolzano","tag-brescia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is the Biomattone: Composition, Formats and How It Works<\/title>\n<meta name=\"description\" content=\"What is the Biomattone? 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