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EUAustriaGermanySwitzerlandPortugalFranceUKUSAEcococon
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National Straw GuideETA (DE): https://fasba.de/wp-content/uploads/2024/01/ETA_2017.pdf
ETA (AT): https://drive.google.com/file/d/1_1OXL9921cdueAgtMGzA_xVXqj85B0pL/view?usp=drive_link 		Strohbaurichtlinie (DE):
https://fasba.de/fachinformationen/strohbaurichtlinie/ 		Strohbaurichtlinie (DE): https://fasba.de/fachinformationen/strohbaurichtlinie/Refer to France and Germany:
http://compalha.pt/edi%C3%A7%C3%B5es.html		Professional Rules (EN): https://drive.google.com/file/d/1l8GsqlRK-jlZM6JUvn6nLnvt0Tl3whNA/view?usp=drive_link
Professional Rules (NL): https://drive.google.com/file/d/1Jqy_BVS7xXbQ1GMC7Yu7QUK6aznpLfi0/view?usp=drive_link 		Technical Guide for UK Straw ConstructionStrawbale Construction and
Its Evolution in Building Codes
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Building Class 1 (single family houses) - GK1

Free standing;
≤ 3 storeys;
1-2 Units
≤ 400 m²,
FireClass: E; R: 30
Building Law: https://www.oib.or.at/wp-content/uploads/richtlinien/richtlinie_2023/oib-rl_2_ausgabe_mai_2023.pdf
Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf 		h: until 7 m,
max. 400 m2,
max 2 units of use
Building Law:
Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf 		h: until 11m,
REI: 30min inside
and outside (REI 60)		Up to 9m
REI: 30
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf 		residential, 1 floor, 15 min fire stability https://www.legifrance.gouv.fr/loda/id/JORFTEXT000000474032
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf 		Up to 5m
REI:30
Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf or https://strawbuilding.eu/safety-of-strawbale-walls-in-the-event-of-fire/
or https://strawbuilding.eu/bm-trada-fire-classification-report/ 		Appendix to the International Residential Code (ICR) for Straw Bale Construction
Author: International Code Council Inc. (USA)
Link: https://codes.iccsafe.org/public/document/IRC2018/appendix-s-strawbale-construction
Fire Resistance: B-s1, d0, REI 120;
Info: https://ecococon.eu/assets/downloads/c4_reaction-to-fire-and-fire-resistance.pdf
Proof: https://ecococon.eu/assets/downloads/ecococon_classification_of_fire_resistance.pdf
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Building Class 2 (row houses ≤ 3 storeys) - GK2RowHouses; ≤ 3 storeys (h max 7m); max 5 Units (multi family house) ≤ 400 m²/Unit, FireClass: D; R: 30/30
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf
FireClass D Workaround:
1) FRIM-MAB-D Method (K230- or K260 Encapsulation) and Risk-Index
https://www.tu-braunschweig.de/fileadmin/Redaktionsgruppen/Institute_Fakultaet_3/IBMB/FG_O/Bibliothek/Schriftreihen/Heft_206.pdf
2) plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d0 (Highly flame retardant, no smoke, no burning debris/dripping / schwerentflammbar, kein Rauch, kein brennendes Abfallen/Abtropfen)		h: until 7 m, max 400 m2 , max 2 units of use, from inside to outside F30, from inside to outside F90, walls not adjacent to other buildings F30
F30 Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf
FireClass D Workaround:
1) FRIM-MAB-D Method (K230- or K260 Encapsulation) and Risk-Index
https://www.tu-braunschweig.de/fileadmin/Redaktionsgruppen/Institute_Fakultaet_3/IBMB/FG_O/Bibliothek/Schriftreihen/Heft_206.pdf
2) plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d0 (Highly flame retardant, no smoke, no burning debris/dripping / schwerentflammbar, kein Rauch, kein brennendes Abfallen/Abtropfen)		h: 11-30mresidential - 2 Family, up to 3 floors, 30 min fire stability (same source as above)
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf 		Up to 11 m
REI: 60
Proof: https://strawbuilding.eu/safety-of-strawbale-walls-in-the-event-of-fire/
or https://strawbuilding.eu/bm-trada-fire-classification-report/
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Building Class 3 (3 storeys, multi-family-houses) - GK3≤ 3 storeys (h max 7m); more than 5 Units (multi family house) ≤ 400 m²/Unit, FireClass: D; R: 30/30FireClass: D; R: 30/60
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf
FireClass D and F60 Workaround:
1) FRIM-MAB-D Method (K230- or K260 Encapsulation) and Risk-Index
https://www.tu-braunschweig.de/fileadmin/Redaktionsgruppen/Institute_Fakultaet_3/IBMB/FG_O/Bibliothek/Schriftreihen/Heft_206.pdf
2) plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d0		h: until 7 m, < unlimited m2, < unlimited units of use, from inside to outside F30, from inside to outside F90, walls not adjacent to other buildings F30
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf
FireClass D Workaround:
1) FRIM-MAB-D Method (K230- or K260 Encapsulation) and Risk-Index
https://www.tu-braunschweig.de/fileadmin/Redaktionsgruppen/Institute_Fakultaet_3/IBMB/FG_O/Bibliothek/Schriftreihen/Heft_206.pdf
2) plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d0 (Highly flame retardant, no smoke, no burning debris/dripping / schwerentflammbar, kein Rauch, kein brennendes Abfallen/Abtropfen)		h: over 30mUp to 28m
REI: 30
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf 		residential - 3 Family, up to 28m, 60 min fire stability (same source as above)Up to 18m
REI: 60, with sprinklers
Proof: https://strawbuilding.eu/safety-of-strawbale-walls-in-the-event-of-fire/
or https://strawbuilding.eu/bm-trada-fire-classification-report/
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Building Class 4 (4 storeys, multi-family-houses) - GK4≤ 4 storeys (h max 11m); multi family house, each Unit ≤ 400 m²/Unit,
FireClass: D; R: 30/60
F30-Proof: https://fasba.de/wp-content/uploads/2024/11/2024-05-06-abp-3048-817-08.pdf
Directly plastered straw bale components for building class 4:
DE: https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066284
EN: https://drive.google.com/file/d/1TJW6oiCqC3FsCVOhFamYT8Ty1IvjlUh4/view?usp=drive_link
FireClass D and F60 Workaround:
1) FRIM-MAB-D Method (K230- or K260 Encapsulation) and Risk-Index
https://www.tu-braunschweig.de/fileadmin/Redaktionsgruppen/Institute_Fakultaet_3/IBMB/FG_O/Bibliothek/Schriftreihen/Heft_206.pdf
2) plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d0		h: until 13 m, < 2 units (but 1 unit max. 400m2), F60
Directly plastered straw bale components for building class 4:
DE: https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066284
EN: https://drive.google.com/file/d/1TJW6oiCqC3FsCVOhFamYT8Ty1IvjlUh4/view?usp=drive_link
FireClass D Workaround:
1) FRIM-MAB-D Method (K230- or K260 Encapsulation) and Risk-Index
https://www.tu-braunschweig.de/fileadmin/Redaktionsgruppen/Institute_Fakultaet_3/IBMB/FG_O/Bibliothek/Schriftreihen/Heft_206.pdf
2) plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d0 (Highly flame retardant, no smoke, no burning debris/dripping / schwerentflammbar, kein Rauch, kein brennendes Abfallen/Abtropfen)		link: https://be.heureka.ch/de/anforderung-nach-nutzung/artikel/wohnen/einfamilienhaus-frei-stehend-oder-angebaut/gebaeudehuelle-und-gebaeudeausbauOver 28m
REI: 60		residential - 4 Family, 28 - 50m, 90 min fire stability (same source as above)Up to 30m
REIL 90 with sprinklers
Proof: https://strawbuilding.eu/safety-of-strawbale-walls-in-the-event-of-fire/
or https://strawbuilding.eu/bm-trada-fire-classification-report/
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Outside Fire Protection / Renovation/WrappingJoost Csiro Bushfire Simulation Facade-Wrapping (requirements):
GK1: FireClass E;
GK2: FireClass D;
GK3 FireClass D;
GK4 FireClass B
plastered straw bale as material (component), example Ecococon: B-s1, d0; example DBU/FASBA Single Burning Item-Test: B-s1, d		Depends on both walls: Both burnable 6m / Both non-burnable: 4m -> link https://www.lignum.ch/files/news/Brandschutz-Anforderungen.pdf https://diariodarepublica.pt/dr/detalhe/portaria/1532-2008-444380Ardeche, within 200 m of forest: clear brush 50 m around dwelling https://www.service-public.gouv.fr/particuliers/vosdroits/F33298?lang=en
urban/residential: 3 m distance https://www.bati-renov.fr/reglementation/distance-entre-constructions-les-limites-et-regles/
Fire behaviour of façades 2009: https://strawbuilding.eu/fire-behaviour-of-facades-2009/ 		Approved Doc B: Fire Safety PG92

Concerned with 'unprotected area' (lower than fire class B-s3, d2). If flammable material is 100% of facade, 12.5m distance is needed. If <4% of facade is 'unprotected' then there is no minimum distance
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Straw Material PropertiesETA (DE): https://fasba.de/wp-content/uploads/2024/01/ETA_2017.pdf
ETA (AT): https://drive.google.com/file/d/1_1OXL9921cdueAgtMGzA_xVXqj85B0pL/view?usp=drive_link 		Baustrohballen ETA
Baustrohballen Properties:
95 – 167 kg/m³
λD: 0,046 (on edge) or 0,082 W/m.K (laid flat)
Class E after EN 13501-1:2009
https://drive.google.com/file/d/1lhO6Mf8cuwW9K8MoX12r-KTyZy2UcwLV/view?usp=drive_link 		Baustrohballen ETA / ETA (EN)
EPD
Baustrohballen: https://baustroh.de/wp-content/uploads/2024/04/BauStroh_Datenblatt_2024_04_final.pdf
Sound Test: https://fasba.de/wp-content/uploads/2022/02/schalltest_gaestehaus_sieben_linden.pdf
Plastered Straw Bale Wall: REI 30, B-s1,d0 (Proof), Brandverhalten nach DIN EN 13823 („Single-Burning-Item“- Test): Prüfbericht (page 401)
Fire - Gutachterliche Stellungnahme (DE): https://fasba.de/wp-content/uploads/2024/11/GA-2018_028-F-30-Verlaengerung-27.06.2024.pdf
Mikrobielle Empfindlichkeit: https://baubiologie.at/download/3mikrobiell_72dpi.pdf 		Straw ok: Yes, but no "airpockets" https://be.heureka.ch/de/anforderung-nach-nutzung/artikel/wohnen/einfamilienhaus-frei-stehend-oder-angebaut/gebaeudehuelle-und-gebaeudeausbau // U-Value <0,15 https://enbau-online.ch/bautechnik-der-gebaeudehuelle/2-2-waermeschutz-im-winter/ EPD-UK:https://strawbuilding.eu/epd-environmental-product-declaration-for-straw-as-insulation-material-in-uk/
BM-Trada-Fire-Classification-Report for Modcell: REI120
https://strawbuilding.eu/bm-trada-fire-classification-report/ 		US FireTest ASTM E 119-05a Non-Bearing Clay Wall: 60min, Proof
US Fire tests ASTM E119-05a non-loadbearing cement stucco wall 2007: 120min, Proof		Ecococon-Panel: Reaction to fire classification: B – s1, d0
Proof: https://ecococon.eu/assets/legal/fires-cr-182-25-aupe2.pdf
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Sound InsulationTU Ostrawa: Proof
Straw wall Rw 28 (dB)
One side Clay 25 mm plastered Straw wall
Rw 43 (dB)
Two sides Clay 25 mm plastered Straw wall Rw 54 (dB)
FASBA: Proof
Two sides Clay 10/20 mm plastered Straw wall Rw 43 (dB)
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Timber Material PropertiesAgepan DWD: Proof
Brandverhalten nach DIN EN 13501-1 D-s1, d0
Baustoffklasse nach DIN 4102 B2
Egger DHF: Proof (page 35)
Baustoffklasse DIN 4102-1 – B2 – normal flammable
Brandverhalten EN 13501-1 – D-s2, d0
KLH (CLT): Proof
REI 90-REI 120
Heraklith BM (woodchipboard): Proof
A2-s1, d0 (DIN EN 13501)
Fermacell FirePanel: Proof - A1		Usually C24 (tan, 24N/mm^2FSC Timber: https://ecococon.eu/assets/downloads/fsc_ecococon_2023.pdf
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Clay Material PropertiesEU: Clay and Lime are FireClass A without the need for testing/proofing. Proof
Encapsulating class: K1 10 and K2 10 according to EN 13501-2:2016 https://ecococon.eu/assets/downloads/k1_k2-10_classification_report_-25mm_clay_plaster.pdf
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Energy CertificateA++:
A+:
A:
B:
C:
D:
E:
F:		A++: Passive houses max. 10 kWh/m² p.year
A+:Lowest Energy Houses max. 15 kWh/m² p.Year
A: Lowest Energy Houses max. 25 kWh/m²
B: Low Energy Houses max. 50 kWh/m²
C: Standard new buildings max. 100 kWh/m²
D: old buildings max. 150 kWh/m²
E: old buildings max. 200 kWh/m²
F: old buildings max. 250 kWh/m²		A++: max. 10 kWh/m² p.year
A+:
A:
B:
C:
D:
E:
F:		GEAK (mandatory) https://www.geak.ch/ A++: max. 10 kWh/m² p.year
A+: 0-25% energy demand
A: 26-50%
B: 51-75%
C: 76-100%
D: 101-150%
E:151-200%
F: 201-250%
G: +251%
Example		A++: max. 10 kWh/m² p.year
A+:
A:
B:
C:
D:
E:
F:		A++: max. 10 kWh/m² p.year
A+:
A: <50 kWh/m2
B: 50 - 90 kWh/m2
C: 91 - 150 kWh/m2
D: 151 - 230 kWh/m2
E: 231 - 330 kWh/m2
F: 331 - 450 kWh/m2
G: 450+ kWh/m2		Passive House A++: Passive houses max. 10 kWh/m² p.year
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Load BearingSummaries of research and tests:
Benjamin Krick, University of Kassel, DE: https://strawbuilding.eu/examination-of-straw-bales-and-straw-bale-constructions-with-regard-to-their-application-for-energy-saving-construction-with-particular-reference-to-the-load-bearing-construction-de/
Benjamin Krick English Version: https://drive.google.com/file/d/1eoVvYPORwI0dJJKCeJJJh6SznxCxVyHD/view?usp=drive_link
TU Vienna, AT: https://drive.google.com/file/d/1fz-499b5ai9swKXNH65tCLJtGTqn3g18/view?usp=drive_link 		Peter Braun - Structural Behaviour of Big Bale Walls: https://drive.google.com/drive/u/1/search?q=test Reference:
https://strawbuilding.eu/la-botte-de-paille-materiau-porteur/ 		Reference:
https://strawworks.co.uk/wp-content/uploads/2021/08/Loadbearing-capacity-of-strawbale-walls.pdf 		Proof:
https://strawbuilding.eu/structural-performance-of-non-plastered-modular-straw-bale-wall-panels-under-transverse-and-gravity-loads/
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Environmental ImpactFASBA: EPD
SBUK, UK (EPD/LCA): EPD-IES-0003854:004 (S-P-03854)
RFCP, FR (EPD): https://strawbuilding.eu/epd-straw-bale-nf-en15804-a1_2021/
LCA: https://strawbuilding.eu/epd-straw-bale-en15804_2015-vdef/
NIBE and Echobat Report: https://strawbuilding.eu/applying-co2-computation-methods-and-lca-to-straw-building/ 		RFCP, FR (EPD): https://strawbuilding.eu/epd-straw-bale-nf-en15804-a1_2021/
LCA: https://strawbuilding.eu/epd-straw-bale-en15804_2015-vdef/
or https://drive.google.com/file/d/1mdDB9eucVvWYaareIPsoHpmoGB6rj6EI/view 		SBUK, UK (EPD/LCA): EPD-IES-0003854:004 (S-P-03854) EPD: https://ecococon.eu/assets/legal/epd_ecococon_2024-1729091905.pdf
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