INSTA-BLOC installation systems are advanced, pre-fabricated building services modules, which have been proving their quality in high-rise buildings for many years.


Customer requests can be addressed flexibly by means of in-house planning and production at our premises in Ennstal, Austria, on a project-by-project basis.

The highest quality standards in production, our own transport fleet and our own installation team guarantee prompt and flawless order processing.


Constant further development of products, the use of modern installation techniques and ongoing in-house and third-party monitoring make INSTA-BLOC a reliable partner for your building project.

Transparent cost calculation, time saved during construction, gains in useful floor area and the straightforward meeting of fire and sound protection requirements are just some of the benefits offered by INSTA-BLOC installation systems. Building contractors, experienced architects and building services planners are familiar with these benefits and value them highly.


You too can make use of the advantages offered by INSTA-BLOC installation systems.

INSTA-BLOC products
sanitary walls
INSTA-BLOC sanitary walls

INSTA-BLOC bathroom wall sections are planned on a project-by-project basis as a fire and sound tested system and are made from lightweight concrete.

Risers and downpipes for supply and disposal as well as a wide range of connections for sanitary, heating and ventilation systems can be integrated on an individual and variable basis. 

INSTA-BLOC bathroom wall sections have been proving their quality for years in residential and hotel buildings, staff residences and retirement homes, office and administration buildings and in hospitals.

sanitary moduls
INSTA-BLOC sanitary moduls

INSTA-BLOC sanitary moduls made of light PU integral foam offer a variety of design options and can be used both for in-wall and on-wall installation in solid and dry-lined constructions.

INSTA-BLOC sanitary modules are available as type-listed individual modules for WCs, washbasins and urinals. We are happy to provide special, project-specific productions at the customer’s request.

prefabricated bathrooms
INSTA-BLOC prefabricated bathrooms

INSTA-BLOC prefabricated bathrooms are planned for each project and made using premium materials.


INSTA-BLOC sanitary blocks are fully fitted and delivered ready to connect. The block can be easily and quickly integrated into the construction project.

Depending on the application (new build, conversion or renovation), the sanitary blocks are available in lightweight concrete, a lightweight design or with GRP glass fibre reinforced plastic surface.


INSTA-BLOC prefabricated bathrooms in lightweight concrete or lightweight design can also be combined with INSTA-BLOC bathroom wall sections and therefore offer all the benefits of fire protection and sound insulation.

tub liners
INSTA-BLOC tub liners

INSTA-BLOC tub liners are fabricated from high-quality PU rigid foam, never lose their shape, are resistant to ageing and allow easy installation in old and new structures.


INSTA-BLOC tub liners are available for all current bathtub products and types.


The main feature of this quality product from Austria is its high efficiency and good sound and heat insulation.


The quick and simple installation and the easy-to-tile design of the tub liners guarantees the perfect product.

Firmensitz und Werk:

Sanitär-Elementbau GmbH

Bundesstraße 110

8967 Haus im Ennstal, Austria

T: 0043 (0)3686 4128

F: 0043 (0)3686 4129