Sand-lime bricks and blocks from Zapf Daigfuss, not only for passive houses. Machine bricklaying at a speed of 4m2/h with KS-QUADRO formats. Expert advice on building materials and technologies. Calculations for passive and low-energy houses including PHPP, expert opinions and professional surveys.

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.