We are a Czech manufacturer of plumbing systems, metal roofing and one of the largest specialized roofing material sellers. Our wide range of products includes roofing, sheet metal, insulation, skylights, tools, fasteners and other accessories.

We provide insulation for flat and pitched roofs, insulation of substructures, swimming pools, ponds and sumps. We also carry out carpentry, roofing and plumbing work. We do turnkey roofs, roof renovations and waterproofing, chemical insulation and roof insulation.

We provide insulation for flat roofs, roof terraces and gardens. We insulate substructures and foundations, swimming pools, ponds, tanks and sumps. We carry out sheet metal roofs and install sheet metal facades from templates, slats and cassettes. We carry out roof inspections and service checks, we prepare proposals for roof and terrace solutions.

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 are a leading manufacturer of aluminium roof and facade systems with more than 75 years of tradition. Our products are covered by a strong warranty of up to 40 years on colour and material. The products are characterized by their exceptional quality, long service life and are virtually maintenance-free.

Waterproofing membranes and accessories - we offer complete systems (product, accessories, service). For waterproofing of all types of flat, pitched roofs, ponds and water areas, terraces, balconies, lower parts of buildings against the negative effects of water, radon and some chemical substances. We produce PVC foils.

We are a Czech manufacturer of plumbing systems, sheet metal roofing and one of the largest specialist roofing materials dealers. Our wide range of products includes roofing, sheet metal, insulation, skylights, tools, fasteners and other accessories.

We are a Czech manufacturer of plumbing systems, sheet metal roofing and one of the largest specialist roofing materials dealers. Our wide range of products includes roofing, sheet metal, insulation, skylights, tools, fasteners and other accessories.

We specialize in complete roofing services, including carpentry, roofing, and sheet metal work. This includes both new roofs and the renovation of damaged roofs. We also manufacture and install wooden pergolas, shelters, and carports. Installation of skylights.