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.

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.

Sale and preparation of elements for the implementation and reconstruction of roofs. We supply roofing materials, asphalt shingles, cardboard, foils, everything for roof sheathing, plumbing elements, sheets, roof windows, gutters, downspouts, accessories (IKO, KJG, KVK Parabit, Bitagit, Sklobit, Paraelast, ASPA, CLR, Prefalz, Velux, HPI-CZ).