I. Trussed Rafters and Structures

The system of beams connected by steel angle/connector plates with press-in pins, known under the term „Gang-Nail“, was invented in the USA by the end of 50th of the 20th century. Switzerland and Belgium were the first European countries where this system began to be used at first for the structures. The company BIOS Dobříš was the initiator and pioneer of the system in the Czech Republic.

• characteristic feature of the system = connecting element = connector plate
• development stage of manually nailed plates and trusses
• most progressive and efficient technology in the category of light-weight truss structures
• a wide scope of application in practice - roof and floor trusses, supporting frames of timber structures, formwork components for concrete industry, etc.

Details see: Trussed Rafters and Structures

II. Conventional Roof Framing and Carpented Structures

manufacture - deliveries - erection

We are able and ready to manufacture and erect any carpented roof framing or structure, based on the project documentation.

III. Turn-key Roofs

"Roof cladding is the inseparable integral part of the supporting roof structure. Within our programme ""For Perfect Roof"" we offer the complete turn-key roofs."
We provide deliveries and laying of the majority of time-tested and certified roof covering materials, incl.accessories.
At the same time we also carry out tinsmith and all related works completing the roof.

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IV. Complementary Programme

Joinery/cabinetry made to order

• summer houses
• arbours
• garden furniture

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