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Joining beams and binding rafters are designed for the roofs of extensive objects with loose internal layout requested such as supermarkets, hypermarkets, storage and factory buildings, etc. Module composition is designed as per investor"s requirements with the span from 15 m to 30 m. Joining beams are put directly on poles or filigree ceilings. This design element is suitable for making aisle saddle roofs. Cross section is in T shape. Bond material can be put in the head of joining beams and binding rafters
to anchor binding rafters, or trapezial sheet metal. Components can be unloaded by means of holes.