{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T04:07:54Z","timestamp":1785730074605,"version":"3.56.0"},"reference-count":39,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2021,1,5]],"date-time":"2021-01-05T00:00:00Z","timestamp":1609804800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Union\u2019s Seventh Framework Programme for research, technological development and demonstration","award":["608893"],"award-info":[{"award-number":["608893"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Indoor air quality can be adversely affected by emissions from building materials, consequently having a negative impact on human health and well-being. In this study, more than 30 natural building materials (earth dry boards and plasters, bio-based insulation materials, and boards made of wood, flax, reed, straw, etc.) used for interior works were investigated as to their emissions of (semi-)volatile organic compounds ((S)VOC), formaldehyde, and radon. The study focused on the emissions from complete wall build-ups as they can be used for internal partition walls and the internal insulation of external walls. Test chambers were designed, allowing the compounds to release only from the surface of the material facing indoors under testing parameters that were chosen to simulate model room conditions. The emission test results were evaluated using the AgBB evaluation scheme, a procedure for the health-related evaluation of construction products and currently applied for the approval of specific groups of building materials in Germany. Seventeen out of 19 sample build-ups tested in this study would have passed this scheme since they generally proved to be low-emitting and although the combined emissions of multiple materials were tested, 50% of the measurements could be terminated before half of the total testing time.<\/jats:p>","DOI":"10.3390\/ma14010234","type":"journal-article","created":{"date-parts":[[2021,1,5]],"date-time":"2021-01-05T21:18:57Z","timestamp":1609881537000},"page":"234","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Natural Building Materials for Interior Fitting and Refurbishment\u2014What about Indoor Emissions?"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1402-249X","authenticated-orcid":false,"given":"Matthias","family":"Richter","sequence":"first","affiliation":[{"name":"Materials and Air Pollutants Division, Bundesanstalt f\u00fcr Materialforschung und -pr\u00fcfung (BAM), Unter den Eichen 44-46, 12203 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3926-4081","authenticated-orcid":false,"given":"Wolfgang","family":"Horn","sequence":"additional","affiliation":[{"name":"Materials and Air Pollutants Division, Bundesanstalt f\u00fcr Materialforschung und -pr\u00fcfung (BAM), Unter den Eichen 44-46, 12203 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elevtheria","family":"Juritsch","sequence":"additional","affiliation":[{"name":"Materials and Air Pollutants Division, Bundesanstalt f\u00fcr Materialforschung und -pr\u00fcfung (BAM), Unter den Eichen 44-46, 12203 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Klinge","sequence":"additional","affiliation":[{"name":"ZRS Architekten Ingenieure, Schlesische Stra\u00dfe 26, 10997 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leon","family":"Radeljic","sequence":"additional","affiliation":[{"name":"ZRS Architekten Ingenieure, Schlesische Stra\u00dfe 26, 10997 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oliver","family":"Jann","sequence":"additional","affiliation":[{"name":"Materials and Air Pollutants Division, Bundesanstalt f\u00fcr Materialforschung und -pr\u00fcfung (BAM), Unter den Eichen 44-46, 12203 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,1,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1013","DOI":"10.1016\/S0140-6736(96)07220-0","article-title":"Sick-building syndrome","volume":"349","author":"Redlich","year":"1997","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1136\/oem.2003.008813","article-title":"Sick building syndrome","volume":"61","author":"Burge","year":"2004","journal-title":"Occup. Environ. Med."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"663","DOI":"10.1289\/ehp.02110s4663","article-title":"Indoor environmental exposures and symptoms","volume":"110","author":"Hodgson","year":"2002","journal-title":"Environ. Health Perspect."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"371","DOI":"10.1016\/j.ijheh.2012.08.001","article-title":"Indoor air pollutants in office environments: Assessment of comfort, health, and performance","volume":"216","author":"Wolkoff","year":"2013","journal-title":"Int. J. Hyg. Environ. Health"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1016\/j.ijheh.2005.03.003","article-title":"Daily time spent indoors in German homes-Baseline data for the assessment of indoor exposure of German occupants","volume":"208","author":"Brasche","year":"2005","journal-title":"Int. J. Hyg. Environ. Health"},{"key":"ref_6","first-page":"1","article-title":"Indoor climate and air quality-Review of current and future topics in the field of ISB study group 10","volume":"42","author":"Hoppe","year":"1998","journal-title":"Int. J. Biometeorol."},{"key":"ref_7","unstructured":"Kephalopoulos, K., Crump, D., D\u00e4umling, C., Winther-Funch, L., Horn, W., Keirsbulck, M., Maupetit, F., S\u00e4teri, J., Saarela, K., and Scutaru, A.M. (2012). ECA Report No. 27-Harmonisation Framework for Indoor Products Labelling Schemes in the EU, 27, Publications Office of the European Union."},{"key":"ref_8","unstructured":"M\u00fcller, B., and Mertes, A. (2017). Indoor Air Quality after Installation of Building Products in Energy-Efficient Buildings, Umweltbundesamt (UBA)."},{"key":"ref_9","unstructured":"AgBB (2020, December 20). Requirements for the Indoor Air Quality in Buildings: Health-related Evaluation Procedure for Emissions of Volatile Organic Compounds (VVOC, VOC and SVOC) from Building Products. Available online: https:\/\/www.umweltbundesamt.de\/sites\/default\/files\/medien\/360\/dokumente\/agbb_evaluation_scheme_2018.pdf."},{"key":"ref_10","unstructured":"EU (2010). Directive 2010\/31\/EU-Energy Performance of Buildings (2010), EU."},{"key":"ref_11","unstructured":"Eckermann, W., R\u00f6hlen, U., Venzmer, H., and Ziegert, C. (2007). About the Influence of Earthen Building Materials on Indoor Air Humidity in German: Zum Einfluss von Lehmbaustoffen auf die Raumluftfeuchte, Europ\u00e4ischer Sanierungskalender (2008), Beuth Jahrbuch."},{"key":"ref_12","unstructured":"Klinge, A., Roswag-Klinge, E., Ziegert, C., Fontana, P., Richter, M., and Hoppe, J. (2016). Naturally ventilated earth timber constructions. Expand. Boundaries Syst. Think. Built Environ., 674\u2013681."},{"key":"ref_13","unstructured":"Hofbauer, W., Krueger, N., Mayer, F., and Scherer, C. (2007). Untersuchungen zur Optimierung und Standardisierung von D\u00e4mmstoffen aus Nachwachsenden Rohstoffen-Final Report on Research Project-FKZ: 22013802, Fraunhofer-Institut f\u00fcr Bauphysik."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"599","DOI":"10.1016\/j.buildenv.2014.09.027","article-title":"The moisture buffering capacity of unfired clay masonry","volume":"82","author":"McGregor","year":"2014","journal-title":"Build. Environ."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"1270","DOI":"10.1016\/j.enbuild.2006.03.026","article-title":"Moisture buffering capacity of hygroscopic building materials: Experimental facilities and energy impact","volume":"38","author":"Osanyintola","year":"2006","journal-title":"Energy Build."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1016\/j.conbuildmat.2014.03.009","article-title":"Mechanical behaviour of earthen materials: A comparison between earth block masonry, rammed earth and cob","volume":"61","author":"Miccoli","year":"2014","journal-title":"Constr. Build. Mater."},{"key":"ref_17","unstructured":"R\u00f6hlen, U., and Ziegert, C. (2011). Earth Building Practice, Bauwerk-Beuth Verlag."},{"key":"ref_18","unstructured":"Hajek, P., Tywoniak, J., Lupisek, A., Ruzicka, J., and Sojkova, K. (2010). Standardisation of a Sustainable and Eco-Efficient Building Materia: Earth\u2014A German Perspective. Cesb 10: Central Europe Towards Sustainable Building-from Theory to Practice, CESB."},{"key":"ref_19","first-page":"6","article-title":"Standards for Earthen Building Products\u2014A new perspective for an old material","volume":"42","year":"2010","journal-title":"ENBRI Newsl. Constr. Technol. Eur."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1016\/j.apradiso.2011.07.013","article-title":"External exposure doses due to gamma emitting natural radionuclides in some Egyptian building materials","volume":"70","author":"Moharram","year":"2012","journal-title":"Appl. Radiat. Isot."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1080\/10256016.2014.862533","article-title":"Radon and thoron levels, their spatial and seasonal variations in adobe dwellings\u2014A case study at the great Hungarian plain","volume":"50","author":"Szabo","year":"2014","journal-title":"Isot. Environ. Health Stud."},{"key":"ref_22","unstructured":"WHO (2009). Handbook on Indoor Radon\u2014A Public Health Perspective, World Health Organization."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1007\/s001070050282","article-title":"Emissions of acetic acid and other volatile organic compounds from different species of solid wood","volume":"56","author":"Lundgren","year":"1998","journal-title":"Holz Roh Werkst."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"166","DOI":"10.1016\/j.toxlet.2011.12.008","article-title":"Airway effects of repeated exposures to ozone-initiated limonene oxidation products as model of indoor air mixtures","volume":"209","author":"Wolkoff","year":"2012","journal-title":"Toxicol. Lett."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S0378-4274(03)00115-2","article-title":"Upper airway irritation of terpene\/ozone oxidation products (TOPS). Dependence on reaction time, relative humidity and initial ozone concentration","volume":"143","author":"Wilkins","year":"2003","journal-title":"Toxicol. Lett."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1007\/s00107-005-0061-0","article-title":"Volatile organic compounds and formaldehyde in nature, wood and wood based panels","volume":"64","author":"Roffael","year":"2006","journal-title":"Holz Roh Werkst."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1002\/bapi.200590053","article-title":"Europ\u00e4ische D\u00e4mmstoffnormen der 2. Generation: Pr\u00fcfmethoden zur Ermittlung fl\u00fcchtiger organischer Komponenten (VOC)","volume":"27","author":"Gellert","year":"2005","journal-title":"Bauphysik"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1021\/es980592+","article-title":"Emission Rates of Formaldehyde from Materials and Consumer Products Found in California Homes","volume":"33","author":"Kelly","year":"1999","journal-title":"Environ. Sci. Technol."},{"key":"ref_29","unstructured":"DIN (2018). Construction Products-Assessment of Release of Dangerous Substances-Determination of Emissions into Indoor Air, DIN. EN 16516:2017."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1093\/rpd\/ncx137","article-title":"Use of commercial radon monitors for low level radon measurements in dynamically operated VOC emission test chambers","volume":"177","author":"Hofmann","year":"2017","journal-title":"Radiat. Prot. Dosim."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"109372","DOI":"10.1016\/j.apradiso.2020.109372","article-title":"Robustness validation of a test procedure for the determination of the radon-222 exhalation rate from construction products in VOC emission test chambers","volume":"166","author":"Hofmann","year":"2020","journal-title":"Appl. Radiat. Isot."},{"key":"ref_32","unstructured":"Hofmann, M., Richter, M., and Jann, O. (2015, January 18\u201320). Determination of radon exhalation from building materials in dynamically operated test chambers by use of commercially available measuring devices. Proceedings of the Healthy Buildings Europe 2015, Eindhoven, The Netherlands."},{"key":"ref_33","unstructured":"International Organization for Standardization (2011). Indoor Air-Part 3: Determination of Formaldehyde and Other Carbonyl Compounds-Active Sampling Method, International Organization for Standardization. ISO 16000-3:2011."},{"key":"ref_34","unstructured":"International Organization for Standardization (2011). Indoor Air-Part 6: Determination of Volatile Organic Compounds in Indoor and Test Chamber Air by Active Sampling on Tenax TA\u00ae Sorbent, Thermal Desorption and Gas Chromatography Using MS\/FID, International Organization for Standardization. ISO 16000-6:2011."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"606","DOI":"10.1016\/S0168-9002(03)02049-7","article-title":"An improved scintillation cell for radon measurements","volume":"512","author":"Fernandez","year":"2003","journal-title":"Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrometers Detect. Assoc. Equip."},{"key":"ref_36","unstructured":"EU (2013). Directive 2013\/59\/EURATOM, Euratom Basic Safety Standards Directive (2013), EU."},{"key":"ref_37","unstructured":"BfS (2009). Jahresbericht 2009, Bundesamt f\u00fcr Strahlenschutz."},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1111\/j.1600-0668.2004.00314.x","article-title":"VOC- and SVOC-emissions from adhesives, floor coverings and complete floor structures","volume":"14","author":"Wilke","year":"2004","journal-title":"Indoor Air"},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1111\/ina.12031","article-title":"Determination of radon exhalation from construction materials using VOC emission test chambers","volume":"23","author":"Richter","year":"2013","journal-title":"Indoor Air"}],"container-title":["Materials"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1996-1944\/14\/1\/234\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T05:07:17Z","timestamp":1760159237000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1996-1944\/14\/1\/234"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1,5]]},"references-count":39,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2021,1]]}},"alternative-id":["ma14010234"],"URL":"https:\/\/doi.org\/10.3390\/ma14010234","relation":{},"ISSN":["1996-1944"],"issn-type":[{"value":"1996-1944","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,1,5]]}}}