We provide roof construction and repair services, roof renovations, attic conversions, roof extensions, wood-frame construction, installation of Velux skylights, roof trusses, and masonry work. We offer in-person consultations, material delivery, and assessments in accordance with the KPT guild standards. We also provide free consulting, satellite roof surveys, and detailed cost estimates.

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.