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Our company has been located in Gossau SG for over 35 years. With a competent staff of 25, we are specialized in the following work in conversions, new buildings and renovations:
A modern, functional machine and vehicle park enables a rational, punctual completion of all orders.
**underlays
Underlays are versatile. They are often used for underfloor heating or to hide the technical equipment of a room.
Subfloors and hard concrete floors
Underlayment and hard concrete flooring is mixed directly at the construction site and pumped to the floor surface. It is troweled and smoothed by hand.
Flooring mortar
Anhydrite - flow mortar
The flowable mortar is mixed and poured on site, wafted in with laser exactly at height.
**Insulations
Thermal and impact sound insulation
We install all types of insulation, as an example a roll of Alu TSE PE glued with floor heating.
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Roncz Ernö AG
Schwalbenstrasse 37a 9200 Gossau SG
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Roncz Ernö AG