Bungalow with pent roof in Rabenstein/Lower Austria

Written by Herbert Gruber

A private, barrier-free, single-storey house with straw-bale insulated timber frame in the roof, walls and floor, passive house standard with earth cellar, veranda and green roof.

Key data

Province:Lower AustriaCity:RabensteinCompletion:2011Type of Construction:infill constructionDesign/ArchitectureATOS Architekten ZTCarpenter:Glaser Bau GmbHStraw Builder:Glaser Bau GmbHPossibility to visit:NoPress photos:No
Owner Builders Contribution:Bringing in straw bales, hemp partition walls, interior fittings
Residential acreage:76m2Heating demand:14,1U-Value (Wall):W/m2KU-Value (Roof):W/m2KHeating/Ventilation System:100 m2 geothermal heat exchanger, 25 m2 wall heating, controlled aeration and ventilationCategories:Prefab Straw Bale, Projects Austria, Straw Bale Baseplate,
More about this Straw Bale House

Ein privates, barrierefreies, eingeschoßiges Hausbauprojekt mit strohballengedämmtem Holzriegel in Dach, Wand und Boden, Passivhausstandard mit Erdkeller, Veranda und begrüntem Dach.

Wall construction:
1.5cm lime plaster
3.5 cm wood wool lightweight board
1,5cm OSB-board airtight
37cm Thermoriegel 5/16 in between
Straw bale insulation
1,5cm diff.open sub-roof panel
4cm soft fibre board
1cm min. noble plaster

Ceiling against outside
2cm OSB board airtight
37cm thermal bar in between straw bales
diff.open underlay
1,5cm diff.open cement-bonded building board

Pitched roof greened:
10 cm extensive substrate
1.5 mm rubber sheeting
2.5 cm OSB board NF
5 cm battens
1.5 cm diff. open sub-roof slab
50 cm insulation studs in between straw
1.5 cm OSB board NF airtight
5 cm battens in between thermo hemp
1.5 cm GKF board

About the author

Herbert Gruber

Herbert is author of the book "Neues Bauen mit Stroh in Europa" (New Building with Straw in Europe), head of the austrian strawbale network ASBN and partner in the Leonardo-project "STEP" (Strawbale Training for European Professionals) and the Erasmus project "BuildStraw Pro" (a project to get formal national recognition of the training) and "Make your City Smart". As a collector he documents European straw bale buildings since 1999 on his website (database, german), in lectures, workshops and books.