H-shaped wooden beams, also known as H20 I-beams or H-shaped formwork wooden beams, are specialized load-bearing profiles for concrete formwork systems. They have a cross-section in the shape of an H/I and are made up of upper and lower solid wood flanges and multiple layers of plywood belly plates glued together. They are the core supporting material for cast-in-place concrete roofs, walls, and square column formwork in high-rise buildings, bridges, and factories. They are benchmarked against imported DOKA system wooden beams and widely replace traditional solid wood materials.
Core advantages of the product
Lightweight and high-strength: Its self weight is much smaller than that of solid wood with the same load-bearing capacity, and it is easy to manually transport a single piece. It has a bending resistance of 5.0kN · m and a shear resistance of 11.2kN, and supports a larger span, reducing the amount of upright poles and saving auxiliary material costs;
Durable turnover: Under normal and standardized use, it can be reused 200-300 times, with dual protection of plug and waterproof paint surface, which is not easily affected by moisture, deformation, or material breakage. The overall cost of use is lower than that of ordinary miscellaneous wood;
High flatness: The structure is rigid and stable, and the poured concrete is not prone to arching. The formed wall and roof are smooth and flat, reducing the need for later polishing and repair processes;
Strong universality: Suitable for steel molds, aluminum molds, and wooden plywood templates, it can be quickly set up with top supports and tripods, making disassembly and assembly convenient and shortening the construction period.
Application scenarios
Roof formwork: horizontal keel support for cast-in-place floor slabs of high-rise buildings, garages, and factories;
Wall formwork: reinforcement of vertical back ribs for shear walls and basement retaining walls;
Square column/irregular column: Horizontal hoop material for square column fixed template;
Road and bridge infrastructure: bridge cover beams, box beams, municipal prefabricated component formwork support;
Prefabricated formwork: Platform formwork, flying formwork, and modular formwork systems come standard with main beams.
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Company Introduction
At Zhongxinmiao, we prioritize quality, safety, and customer satisfaction above all else. All products undergo rigorous testing – including load capacity tests, corrosion resistance checks, and dimensional accuracy inspections – before leaving our factory. With ISO 9001 quality management system certification and a focus on international standards, our materials are trusted by contractors, wholesalers, and construction companies across Southeast Asia, the Middle East, Europe, and Africa.
We understand that every construction project has unique needs. That’s why we offer OEM/ODM services, customized specifications, and flexible order quantities to suit small traders, large contractors, and rental companies alike. Our dedicated international sales and logistics team ensures smooth communication, on-time delivery, and competitive factory-direct pricing, eliminating middlemen to maximize value for our clients.
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