We build brick houses, turnkey houses, rough construction, renovations, new construction. BTI supplies - water, sewer, heating, gas, electrical wiring - high and low current, drywall, building insulation, facades, engineering and design work, TDI. We provide consultancy, projects.

Bathroom studio, turnkey bathrooms, bathroom and sanitary equipment sales. We also offer turnkey sales and implementation including subsidies: boilers, fireplaces and fireplace inserts, solar systems, photovoltaic power plants, air recovery and heat pumps.