Steel structure

Since 1977 we have been developing the unique steel structure

-the LLENTAB-system

LLENTAB Steel structure LLENTAB Steel structure

Galvanized coldbended profiles guarantee longlasting quality and low steel consumption.

LLENTAB is using high strength steel for all profiles up to 7 mm thickness. Profiles are produced from hotdip galvanized steel delivered to us in coils. For thinner profiles (up to 2 mm) Z275 layer is used , for the rest Z450 is standard.
Specialized production tools Specialized production tools
Profiles produced on hightech lines let us deliver steel structures of buildings with unlimited sizes with span up to 100 m.

We are using profiles with thickness from 1.5 up to 7 mm. They are roll formed or bended in variety of sizes but shapes are following: Z (mainly for purlins and wall regels), C (for struts, pillars and frame elements) and Ω (as frame's top and bottom flange).
Standard bolt Standard bolt
Assembling with bolts provides fast erection of structures and longlasting protection against steel corrosion.


All profiles have prepunched holes manufactured during the production process, and size of the standard bolts is M12x35. This plus labeling of each profile provide forces correct assembling.
Steel building during assembly - Roof slope 14° Steel building during assembly - Roof slope 14°
Flexibility of the LLENTAB system provides possibility of delivering different roof slopes according customer needs.