Light Steel House

A Light Steel House is a practical and sustainable residential building system that uses cold-formed light-gauge steel(0.7-2.0mm thick,e.g.,Q235,Q355,ASTM A36/A653)as the primary load-bearing structure,integrated with insulation,sheathing,and interior/exterior cladding.Designed for low-rise residential use(1-3 stories),it balances structural reliability,cost-effectiveness,and environmental friendliness—serving as an ideal choice for urban affordable housing,rural homes,small family residences,and renovation projects.Unlike traditional brick-concrete houses,its lightweight steel frame offers superior performance in harsh conditions while streamlining construction.

The core advantage lies in balanced performance and accessibility:the light steel framing boasts an excellent strength-to-weight ratio(1/4 lighter than concrete structures)with robust load-bearing capacity,resisting earthquakes(up to magnitude 7.5)and strong winds(up to 11-level)through its high ductility.The building envelope,filled with eco-friendly insulation materials(rock wool,glass wool),achieves outstanding thermal efficiency and soundproofing,cutting energy consumption for heating/cooling by 25%-40%.As a green building option,light steel is fully recyclable,generating only 3%-5%of the construction waste of concrete buildings,and reducing carbon emissions during construction.

Key features include modular prefabrication and simplified construction:all steel components(wall panels,floor trusses,roof frames)are factory-produced with CNC precision,ensuring consistent quality.On-site assembly requires no heavy equipment or wet work,using bolts and self-tapping screws for quick installation—a 100-150㎡house can be completed in 5-10 days,50%-70%faster than traditional methods.The lightweight structure allows for simple foundations(strip,raft,or pile foundations),lowering costs and adapting to various terrains(plains,hills,coastal areas).Architectural versatility supports diverse designs(detached,semi-detached,row houses)and exterior styles(modern,minimalist,traditional),with flexible floor plans to fit family needs.

Typical applications cover rural self-built homes,urban affordable housing,small family residences,resort cottages,and temporary housing.With a service life of 60+years(enhanced by galvanization or powder coating anti-corrosion treatments),low maintenance requirements,and cost competitiveness,the light steel house has become a mainstream choice for efficient,eco-friendly residential construction,catering to the global demand for sustainable living.