The roofs of low-rise villas are mostly sloping roofs, so the roof structure is basically a triangular roof truss system made of cold-formed steel members. After sealing structural plates and gypsum plates, light steel members form a very strong "plate-rib structure system". This structure system has stronger seismic resistance and resistance to horizontal loads, and is suitable for seismic intensity of more than 8 degrees. Area.
The section steel structure has the advantages of light weight, high strength, good overall rigidity and strong deformability. The building's self-weight is only one fifth of that of the brick-concrete structure. It can withstand the hurricane of 70 meters per second, so that life and property can be effectively protected.
Residential structures of light steel structures are all composed of cold-formed thin-walled steel members. Steel frames are made of super-anticorrosive high-strength cold-rolled galvanized steel sheets, which can effectively avoid the influence of steel plate corrosion during construction and use, and increase the service life of light steel members. The service life of the structure can reach 100 years.
The polyurethane sandwich board is the main thermal insulation material, which has good thermal insulation effect. With the thermal insulation board of the external wall, the phenomenon of "cold bridge" of the wall is effectively avoided, and the better thermal insulation effect is achieved. The thermal resistance of polyurethane sandwich panels with thickness of about 50 mm can be equivalent to that of brick walls with thickness of 1 m.
Sound insulation effect is an important index for evaluating residential buildings. All the windows installed in light steel system are insulated with hollow glass, which has good sound insulation effect and can reach more than 40 decibels. The wall composed of polyurethane sandwich board insulation material has sound insulation effect as high as 80 decibels.
Dry construction can reduce the environmental pollution caused by waste. Steel structural materials can be recycled 100% and most other supporting materials can also be recycled, which meets the current environmental awareness. All materials are green building materials and meet the requirements of ecological environment, which is conducive to health.
The light steel wall adopts high efficiency and energy saving system, which has breathing function and can adjust indoor air dry and humidity. The roof has ventilation function, which can form a flowing air room over the interior of the roof, and ensure the ventilation and heat dissipation demand of the interior of the roof.
All dry work construction is not affected by environmental season. A building of about 300 square meters can complete the whole process from foundation to decoration in only 5 workers and 20 working days.
Material can be recycled 100%, so that it is really green and pollution-free.
All of them adopt high efficiency and energy saving (polyurethane sandwich board) wall, which has good insulation, heat insulation and sound insulation effect, and can reach 60% energy saving standard.