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Our reference projects are above all one thing:

Well insulated.

Sheep's wool is a versatile insulating material that shows its strengths in the thermal and acoustic insulation of a wide variety of projects. As we like to say: sheep's wool insulation can be found in the best houses - from apartment blocks and company buildings to yurts and tiny houses, this healthy natural insulating material provides the best service.

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STRABAG housing project Taborama, AT
STRABAG residential project Taborama, AT

The Taborama residential building has it all in the truest sense of the word: it is the first high-rise building in Austria to use natural sheep's wool as a material. Ecological interior insulation. 29,000 m² of ISOLENA insulation material provide insulation, good air quality and a favourable CO2 balance.

Client: STRABAG Real Estate, Architects: querkraft

Kita am Wald, DE
Daycare centre by the forest, DE

The Kita am Wald in Hedendorf offers 100 children a natural space to play and discover. The kindergarten village consists of five LivingCircles with 20 "star points" (bedrooms, kitchen, office, etc.), 16 of which (~2,000 m²) are insulated with ISOLENA Premium. The use of sheep's wool creates a healthy indoor climate and saves 37,045.4 kg CO2-eq. compared to glass wool insulation.

Client: Hanseatic City of Buxtehude, DE

Medical centre "Humanum", AT
Medical centre "Humanum", AT

The "humanum" medical and therapy centre in Alkoven combines sustainability with modern healthcare: Natural sheep's wool was used as interior insulation. The insulation ensures a pleasant indoor climate and excellent energy efficiency. Client: Raiffeisenbank Region Eferding, Arch

Client: Raiffeisenbank Region Eferding, Architects: Kraus Georg Architekt ZT GmbH

Kindergarten Atzenbrugg, AT
Kindergarten Atzenbrugg, AT

The Atzenbrugg kindergarten impresses with its sustainable architecture and flexible use. With ISOLENA sheep's wool insulation as external insulation, the building offers high resilience and energy efficiency, even in extreme flooding conditions.

Client: Atzenbrugg market town, architect: Elisabeth Schuh

Weigl break room, AT
Weigl break room, AT

The products Optimal Plus and Premium were used as acoustic absorbers in the ceiling and walls of the Weigl break room. "The result is impressive: these measures have created a pleasant room climate that makes a noticeable contribution to the feel-good atmosphere," reports Anton Sageder.

Client: Weigl Aufzüge Ges.m.b.H & Co. KG, AT

TEAM 7 World, AT
TEAM 7 World, AT

A sustainable and forward-looking building has been created with the TEAM 7 brand world. For Sound insulation and sound absorption are provided by ISOLENA and Silentum products.

Client: TEAM 7 Natürlich Wohnen GmbH

STRABAG Green Cube project, AT
STRABAG Green Cube Project, AT

The Green Cube, a seven-storey building comprising around 319 serviced studios, is being built in Vienna's trendy Nordbahn district - the ideal retreat for comfortable temporary living. The interior walls will contain 7,080 square metres of Optimal sheep's wool insulation which ensures excellent thermal insulation.

Client: STRABAG Real Estate, Execution: Böhm BiB GmbH, AT

STRABAG Silo Next Project, AT
STRABAG Silo Next Project, AT

The third construction phase of the Silo Offices office complex is currently being realised in the south of Vienna. ISOLENA Optimal sheep's wool insulation is used in the interior walls. The project is scheduled for completion in 2025.

Client: STRABAG Real Estate, Execution: Böhm BiB GmbH, AT

Tent World Yurts, CH
Tent World Yurts, CH

Every year, Zeltwelt produces 20 to 30 natural yurts with diameters of 4 to 9 metres and relies on the ISOLENA Optimal Plus sheep's wool insulation. This is the perfect complement for sustainable yurts and ensures excellent breathability, moisture equalisation and a pleasant living climate - properties that even make it particularly suitable for sauna yurts.

Planning: Zeltwelt GmbH, CH

Raiffeisenlandesbank Wien-NÖ, AT
Raiffeisenlandesbank Vienna-NÖ, AT

For Raiffeisenlandesbank NÖ-Wien AG, we have created ESG letters (European Sustainability Goals) from Silentum felt which will be used at future events and also visualise the concept of sustainability in an aesthetic way.

Client: Raiffeisenlandesbank NÖ-Wien AG, AT

ERDEN Werkhalle, AT
ERDEN Werkhalle, AT

The ERDEN factory building is a pilot project for the prefabrication of rammed earth elements, including an office wing, in which a timber construction with rammed earth walls supports the architecture for the first time on this scale. The use of regional raw materials, solar energy and ISOLENA Optimal & Premium in the façade emphasises the sustainable concept.

Client: Lehm Ton Erde Baukunst GmbH, Architecture: Martin Rauch, Lehm Ton Erde Baukunst GmbH

Stand STRABAG Real Estate, DE
Exhibition stand STRABAG Real Estate, DE

At the EXPO Real trade fair, the STRABAG Real Estate and Züblin GmbH exhibition stands were equipped with our products: ISOLENA Optimal at the counter and Silentum acoustic panels in light grey on the ceiling. STRABAG focuses specifically on sustainability, which is why we are delighted to realise both the trade fair stand and joint projects.

Realisation: Atelier Damböck

Kindergarten Waizenkirchen, AT
Kindergarten Waizenkirchen, AT

In the regional kindergarten project, ISOLENA Premium, Optimal & Optimal Plus were used both in the attic, in the transom walls and in the acoustic ceiling. To optimise the acoustics, Silentum panels were installed in the group rooms.

Client: Municipality of Waizenkirchen, Architect: former architectural office Englmair, Realisation: Swietelsky AG, Thallermayr Gesellschaft m.b.H.

Elementary school Infanteriestraße, DE
Infanteriestraße primary school, DE

The city of Munich has enshrined in law that the city's building stock should be as climate-neutral as possible. ISOLENA Optimal Plus sheep's wool insulation makes a contribution to this in this Munich primary school as an insulating layer in the suspended acoustic ceilings.

Client: City of Munich, Planning & realisation: Behnisch Architekten

Guntamatic Technology Centre, AT
Guntamatic Technology Centre, AT

At Guntamatic, the Austrian manufacturer of biomass heating systems, responsibility and environmental awareness are very important. It is therefore also important to the company to create a sustainable and healthy indoor climate in the office and technology centre and to ensure balanced room acoustics.

Client/Customer: Guntamatic GmbH

Mobile learning workshop, DE
Mobile learning workshop, DE

The "Green Little Circle" project illustrates the circular economy in the construction industry through a mobile learning workshop developed by international students. ISOLENA sheep's wool insulation was integrated into the roof, floor, exterior walls and windows.

Client: Jade University of Applied Sciences Oldenburg, Planning & realisation: International students (DE,AT,FIN)

Blockhaus Gonzen, CH
Log cabin Gonzen, CH

At the foot of the Gonzen in Sarganserland lies this log cabin, built with a love of craftsmanship and attention to detail, insulated with our natural sheep's wool.

Planning and realisation: Brädäx GmbH, Gonten, CH

Listening room Thomastik-Infeld, AT
Listening room Thomastik-Infeld, AT

As part of the "Thomastik-Infeld listening room" project, the test room for the acoustic evaluation of strings for stringed instruments was redesigned. To optimise the room acoustics and ensure precise sound reproduction, ISOLENA Premium sheep's wool insulation was used to backfill the ceiling elements and in the wall box.

Client: Thomastik-Infeld, acoustician: Thomas Mayer

Jurtenkindergarten Nepperberg, DE
Yurt kindergarten Nepperberg, DE

The nature kindergarten in Schwäbisch Gmünd was established in 2020. It is a place for playing, learning and living together. The LivingCircle is insulated with healthy ISOLENA sheep's wool.

Realisation: LivingCircles GmbH, Schwäbisch Gmünd

Forest Education Centre Pforzheim
Pforzheim Forest Education Centre

What is Martin Schwarz insulating here with Isolena Optimal? A 100m² wooden house made of silver fir in the middle of the city forest of Pforzheim! It is used for educational forest events for kindergartens, schools and co.

Client: City of Pforzheim, Planning & realisation: Blockhausbau Martin Schwarz, DE

DIY van conversion, NL
DIY van conversion, NL

Sandra and Joriën talk about their van life at @travelwildtobefree. In this interview, they talk about the conversion, what they think of sheep's wool as van insulation and more.

DIY project @travelwildtobefree

Festspielhaus Bregenz, AT
Bregenz Festival Theatre, AT

Talented artists and an acoustic ceiling with ISOLENA sheep's wool insulation ensure harmonious sounds at the Festspielhaus Bregenz.

Client: Office of the City of Bregenz | Architect: Architekten ZT GmbH | Realisation: Trockenbau GmbH Munich

Guschlbauer Backwaren, AT
Guschlbauer Baked Goods, AT

Converting a free gallery space at the end of the stairs into office space was also a major acoustic task. Bordeaux red acoustic felt now ensures good basic vibrations in the new offices.

Owner and client: Guschlbauer Backwaren GmbH | Architect: Bruckner Architektur

Tinyhouse caravan, AT
Tinyhouse Wohnwagon, AT

Wohnwagon is a pioneer in the planning and production of self-sufficient, mobile tiny houses. A healthy living environment and sustainability are at the centre of their vision, which is why they work with natural building materials such as our sheep's wool insulation.

Planning and realisation: WW Wohnwagon GmbH

Kindergarten Mondsee, AT
Kindergarten Mondsee, AT

The well-being of the children takes centre stage at the Montessori forest kindergarten. Built in 2008, the new building is completely insulated with healthy ISOLENA sheep's wool insulation.

Client: Montessori Waldkindergarten St. Lorenz | Architect DI David Ebner| Realisation: Jakob Ebner BauGmbH

Multi-family house Birmensdorf, CH
Apartment block Birmensdorf, CH

Several generations can breathe easy here: Exterior walls, installation levels, partition walls, floors and ceilings are insulated with sheep's wool.

Client: Spicher Moosmann family | Architect: Bellevue Studio | Contractor: Strabag AG, timber construction

Single-family house Zullwil, CH
Detached house Zullwil, CH

In the modern timber construction in Zullwil in Switzerland, sheep's wool insulation is used in exterior walls, installation levels, partition walls, floors and ceilings.

Client: Stais family | Architect: Bellevue Studio | Executing: Stamm AG, Arlesheim

Hotel Wesenufer, AT
Hotel Wesenufer, AT

In the course of optimising the acoustics in the restaurant and seminar area, hotel director Margarete Durstberger deliberately set out to find a natural, healthy and regional solution and came across our acoustic felts made from natural sheep's wool.

Owner and client: Wesenufer Hotel & Seminarkultur an der Donau

Plusenergiehaus, CH
PlusEnergy house, CH

The Q-busPlus house shines with a positive energy balance, not least thanks to the sheep's wool insulation in the inner shell of the Exterior walls.

Client and architect: arento ag | Executing: Robert Romer Holzbau

Shelbourne Hotel Dublin, IE
Shelbourne Hotel Dublin, IE

The sophisticated 5* hotel with its noble brick façade has a history dating back almost 200 years. During the refurbishment of the exclusive hotel, the ceiling and attic were insulated with sheep's wool.

Client: Kennedy Wilson | Architect: Lindsay Conservation Architects | Contractor: Acol Ltd - Specialised Building Restoration

Bungalow Harreither / Pramreiter, AT
Bungalow Harreither / Pramreiter, AT

The light-flooded, modern bungalow in timber construction features sheep's wool insulation in the ceiling, walls, floor and roof. The impressive house was honoured with the Lower Austrian Timber Construction Award 2016.

Client: Elisabeth and Thomas Harreither | Architect: Philipp Berkthold

Wooden house in the countryside, CZ
Wooden house in the countryside, CZ

This wooden house in the Czech Republic was built in nature and with nature. All wood elements are insulated with sheep's wool.

Client: Ing. Igor Fait | Executing: fy JP Konstrukce, www.jpkonstrukce.cz

Secondary school Felben-Wellhausen, CH
Upper school Felben-Wellhausen, CH

After the new school building went into operation, the bad discovery followed: far too high formaldehyde levels in the interior rooms! Sheep's wool made it possible to avoid dismantling or demolition.

Client: Frauenfeld Felben-Wellhausen schools; refurbishment consultancy: Bau- und Umweltchemie AG

Haus am Teich, AT
House by the pond, AT

The modern detached house was designed with lots of wood and natural light. Sheep's wool insulation was used for the roof, floor, ceiling and sauna.

Client: Helmut Stockinger | Architect: resch engineering | Executing: Holzbau Buchner GmbH

Dolezal House, CZ
House Dolezal, CZ

The natural log house in the Prague area is rustic and modern at the same time. The heat insulation in the ceilings, walls and floor is made of sheep's wool.

Client: Oto Dolezal | Architect: Ing. Sihelník Zdenêk | Realisation: Oto Dolezal, Monvet s.r.o.

Gymnasium Dachsberg, AT
Dachsberg Grammar School, AT

In order to offer the pupils a good living and learning environment, the management of the Dachsberg private grammar school also worked on acoustic optimisation in the course of conversion and renovation work.

Owner and client: Dachsberg Grammar School | Architect: Matulik Architekten

Modern passive houses, AT
Modern passive houses, AT

These detached houses near Vienna have a modern look. The wall insulation and ceiling insulation of the passive houses were carried out using sheep's wool.

Client: Aichholzer family | Architect: MAGK Architektur Aichholzer klein ZT OG | Carpentry Proksch - Weilguni OEG

Haus Miesenberger, AT
House Miesenberger, AT

The modern detached house in Neumarkt im Mühlkreis shines with sustainability both inside and out. High-quality sheep's wool insulation was used for the roof and walls.

Client: Miesenberger family | Architect: Schneider & Lengauer Architekten GmbH | Executing: Böhmerwald-Holz reg. GenmbH

Vogl acoustic ceilings, DE
Vogl Acoustic Ceilings, DE

Vogl has over 50 years of experience in the development of ceiling systems and also offers acoustic panels with ISOLENA sheep's wool insulation in its range.

Development and realisation: Vogl Deckensysteme GmbH

Scandinavian log cabin, AT
Scandinavian Blockhaus, AT

Whether modern, angled or classic, whether as a bungalow or multi-storey: the 'Scandinavian Blockhaus' team produces log houses for every taste, well insulated with ISOLENA sheep's wool insulation.

Planning and realisation: Scandinavian Blockhaus BauGmbH

Surfpoint Tiny House, IT
Surfpoint Tiny House, IT

At Lake Idro, surfpoint.it takes care of everything to do with surfing and biking. The base station for this is the completely insulated mobile tiny house with ISOLENA Optimal.

Client: Surfpoint.it | Architect: Lisa Posch | Executing: Florian Radner, radner.org

Savings Climate Protection Supermarket, AT
Spar climate protection supermarket, AT

With its climate protection stores, the long-established Spar company has set new standards in the construction of its supermarket branches. The shop in Linz-Froschberg is characterised, among other things, by wall insulation with healthy sheep's wool.

Client: Spar Österreichische Warenhandesls-AG | Architect: DI Reihnhold Kroh | Realisation: Secco Construct GmbH

Traditional yurt, AT
Traditional yurt, AT

This traditional yurt is located on the edge of a quiet forest. The natural building materials include our sheep's wool as an insulation material.

Planning and realisation: Jonatan Verhelst, jonat.at

Business premises of Multikraft, AT
Company building Multikraft, AT

The climate-neutral family business Multikraft has renovated its company building in the 350-year-old Hausruck-Hof to save energy and used high-quality sheep's wool insulation for the roof, floor and some of the walls.

Client: Multikraft | Architect: Architekturbüro Arkade ZT GmbH | Realisation: Hema Holzbau

Living box 'Cauma', CH
Living box 'Cauma', CH

The 'Cauma' living box is built using purely natural materials. The Cauma team manufactures the box in different sizes depending on requirements. It is insulated all around with sustainable sheep's wool insulation.

Client: Caumabox AG | Architect: Bellevue s.a.r.l. | Executing: Tarcisi Maissen

Romberger Konzepthaus
Romberger concept house

A Romberger house combines the advantages of prefabricated production with the desire for individualised living. In solid construction and exclusively with natural and ecological building materials such as our sheep's wool insulation and our Siltentum acoustic felts, healthy dream homes are created.

Owner and client: Romberger Fertigteile GmbH

Community Centre Ludesch, AT
Community centre Ludesch, AT

The house was built as part of the ecological and sustainable "House of the Future" programme. Partition walls and acoustic ceilings are insulated with healthy ISOLENA sheep's wool.

Client: Municipality of Ludesch | Architect: Architekturbüro DI Hermann Kaufmann | Contractor: ARGE Wucher Bauunternehmen GmbH & CO KG and SUTTER Holzbau GesmbH

Berglodge Laresch, CH
Berglodge Laresch, CH

The 'Pensiun Laresch' in Mathon, Switzerland, has created a charming eye-catcher in the mountains of Bünden with its small TinyHouse. Made from natural building materials, heat-insulated all round with healthy sheep's wool insulation.

Client: Pensiun Laresch | Architect: Bellevue Studio

Handmade yurt, AT
Handmade yurt, AT

Thomas Kaiser and his team manufacture customised yurts by hand in the Murtal valley in Austria. Isolena sheep's wool provides healthy thermal insulation.

Planning and realisation: Scandinavian Blockhaus BauGmbH

efko office building
efko office building

The spacious offices of food producer efko in Eferding have been upgraded with Silentum acoustic felt: an audible and visible improvement in the working atmosphere.

Owner and client: efko Frischfrucht & Delikatessen GmbH | Architect: Bruckner Architektur | Fabrication partner: Tischlerei Pecherstorfer

Company building Wögerer, AT
Company building Wögerer, AT

Inside the company building of Wögerer GmbH, you can breathe easy: the interior walls are fitted with healthy, sustainable sheep's wool insulation.

Client: Wögerer GmbH | Architect: Hertl Architekten ZT GmbH | Executing: Holzbau Aigner Gesm.b.H.

Winterproof yurt, CH
Winterproof yurt, CH

This yurt has found its ideal location in an idyllic setting in the middle of the Swiss mountains. Insulated for winter with ISOLENA sheep's wool.

Planning and realisation: Jurtenwerkstatt OG

Haus Höfler, AT
House Höfler, AT

The façade of the renovated detached house contains sheep's wool insulation. Both in the upper timber construction and in the lower plastered storey.

Client: Höfler family | timber façade: Buchner company | rendered façade: Kern company

Modern natural log house, DE
Modern natural log house, DE

This natural log house is both traditional and modern. Insulated with high-quality ISOLENA 'Premium' sheep's wool insulation.

Planning and realisation: eb Haus GmbH

Tiny House made of cedar wood, DE
Tiny House made of cedar wood, DE

This Tiny House made of durable cedar wood is picturesquely embedded in a green environment. Insulated with ISOLENA sheep's wool insulation.

Planning and realisation: Tiny House Diekmann, Heinz Diekmann Schreinerei und Zimmerei GmbH

Lehner Wool Centre, AT
Lehner Wool Centre, AT

How could it be otherwise: sheep's wool products are of course particularly popular in our own construction projects. From insulation to carpet and acoustic felt, our Lehner wool centre has it all.

Owner and client: Isolena Naturfaservliese GmbH | Architect: Norbert Bruckner

Natural log cabin, CZ
Natural log house, CZ

The rustic look of the tree trunks is rounded off inside the house with a warm, cosy interior style. ISOLENA 'Optimal' sheep's wool insulation provides healthy insulation.

Planning and realisation: Zdeno Pavľák

Blockhaus Erlen, CH
Blockhouse Erlen, CH

The cosy detached house in Ennetaach, Switzerland, is not only insulated with sheep's wool between the logs, but also in all other insulation levels.

Realisation: Hans Koster Blockhausbau