1
2
3
4
5
6
7
8
9
1

Barrier-free holiday apartment

2

Extensive green roofs

3

Larch bark insulation at sight (experimental project accompanied by DI(FH) DI Dr. Günther Kain, Barkinsulation and Univercity of applied Siences Salzburg)

4

10 kWp photovoltaic system on the south-east facing gable roof

5

Wall insulation with wood wool

6

Base plate on compacted glass foam

7

Cross laminated timber construction consisting of approx. 300 spruces

8

Cellulose insulation in the roof

9

Sanded screed floor in the publicly accessible part of the building – wooden parquet in the holiday apartments


There he stands, the Balthasar Volcano…

But not on his two legs. A foam glass plate forms his foundation. This is one of several architectural and ecological features that Balthasar Volcano in St. Wolfgang has to offer. With another, he even makes it to the showcase project in home building.

But first, let’s talk about its name. It was given to him by the owners Anna and Max. A fusion of his grandfathers first name and her grandfather’s last name. This is how the name and character were created around the unique holiday apartments, which will welcome their guests for the first time in St. Wolfgang in August 2021.Balthasar Volcano is special in several respects.

Each of its four premium holiday apartments, all located in the midst of the wonderful nature of Upper Austria with a view of Lake Wolfgang, reflects a characteristic of the Balthasar Volcano. Modern interiors, local natural materials of the highest quality and individual design ensure an unforgettable living experience at the highest level. The wooden house, built in 2021, impresses above all with its ecological construction. A main focus of Anna Winkler and Maximilian Eisl.

The building should be sustainable and environmentally friendly. ” Inspired by Nature and Design” is the aptly worded advertising claim that sums up the message.

It began with the foundation of the cross-laminated timber building, which they had been advised against several times for cost reasons. In the end, however, it proved to be more cost-effective and far more environmentally friendly to dispense with the usual concrete for the base plate and to break new ground with compacted foam glass ballast made from recycled glass waste. Incentive for the developer couple, which justified the research work and perseverance.The uniqueness of the project is mainly due to the external insulation. Developed by timber construction pioneer Günther Kain from Bad Goisern, Balthasar Volcano is the first building to use larch bark insulation, a purely natural product, as its outer shell.

With the same function as conventional façade insulation, it protects Balthasar Volcano from the cold and keeps the heat out. The Salzburg-based start-up Barkinsulation presses pieces of larch bark into solid 8 cm thick panels, which are then doubled up and used as an external façade – equipped with several sensors. In this way, Balthasar Volcano also becomes a highly regarded research object at the FH Salzburg. After all, it’s not just Anna and Max who want to know how the new type of insulation material performs on their holiday homes. Long-term observations and measurements by the University of Applied Sciences will provide information about what development studies and experiments in the laboratory have so far promised. An outstanding insulating performance of the pure natural product.

In any case, you should meet Balthasar Volcano in person. Be it because of its home-made electricity via photovoltaics, the green roofs or the relaxation in the wooden tub on its own terrace, not to mention its nutrition seminars in the modern show kitchen. Ecological sustainability does not end with the building material.

(Text: ©Christoph Malzer)


The four character rooms of the Balthasar Volcano



THE ENTHUSIAST

#boho-deluxe


THE ILLUSIONIST

#viennese-classic


THE COSMOPOLITE

#colorful-travel


THE MINIMALIST

#cosy-scandi