prefabricated steel buildings for export prefabricated buildings company steel structure Product Description Main steel Frame steel material ton Q345B,Q235B welding ton automatic arc welding derusting ton blasting derusting painting ton twice base two face Second steel structure roof purlin ton C140*50*20*2.3, galvanized, Q235 wall purlin ton C140*50*20*2.3, galvanized, Q235 cross support ton 20,steel Q235, process and painted column support ton 20,steel Q235, process and painted angle brace ton L50x4 steel Q235, galvanization tie bar ton 120*120*2.5, steel Q235, process and painted Roof and wall roof panel m2 50mm-120mmEPS, PU, Fiberglass sandwich panel, Rock wool sandwich panel wall panel m2 50mm-120mmEPS, PU, Fiberglass sandwich panel, Rock wool sandwich panel partition wall panel m2 50mm-120mmEPS, PU, Fiberglass sandwich panel, Rock wool sandwich panel   Characteristics: 1. Wide span: single span or multiple spans,the max span clear distance 36m, without middle columns. 2. Low cost:unit price range from USD35;to USD70/square eter FOB according to customer's request3.Fast construction and easy in installation 4. Long term service life:more than 50 years. 5. Other characteristics:envionmental protection, stable structure,eartquake resistance,water proofing,and energy saving. Detailed Images   Welcome to know other related products Features   1. Light weight: Save cost 2. Easy installation 3. Safety: Fire-proof materials 4. Good sound insulation 5. Meet specials designs due to it is easy to form and cut   Application   Warehouse, temporary office/buiding, gymansia, villa, mobile building, guard booth, wall & roof materials for steel building or structure.   Packaging & Shipping   Company Information we are big group factory and have more than 25 years experience of steel structure warehouse project The first design&Engineering Service,Excellent product and perfect has won the praise of customers and want to cooperate with more and more friends and customer  add our team . Our service   1. Professional design and engineering team  Full solution for house design. We could make the design for whole house as per your requirement.   2. Procurement and Manufacture for all material for prefabricated building We have a professional procurement team to make sure all the materials are with good quality. And our factory operation under ISO standard, to make sure the fabrication works with high technology.   3. Site management & Installation supervision  We could send our engineers to help for the installation supervision, you just need to prepare a team which know normal construction works will be OK. FAQ  Q1: What are your main products? A: Our man products have prefab K house, T house, SHS house, H house, container house, light steel structure villa, steel structure warehouse, sentry box, sandwich panel and other constructive materials.   Q2: What will client provide before factory offers good quotation? A: When we receive inquiry from client, client please fills purchasing intention sheet, providing us with information of house dimensions, draft drawing, layout and materials for prefabricated house. We will design the drawings and offer competitive quotation with the above information.   Q3: What are main materials of prefabricated house? A: Our prefabricated house materials mainly include light steel structure, sandwich panel, roof tile, door, window, covers, screws and other accessories.   Q4: How you calculate the total area? A: Industry calculation rule as below: (1) house area = exterior house length X exterior house width X floor (2) canopy area=exterior house length X 1/2 X canopy width (3) staircase area = 4.5 sqm X quantity of staircase (4) corridor area = exterior house length X corridor width (5) total area = (1) + (2) + (3) + (4) + (5)   Q5: What drawing of house will factory supply? A: Plan drawing, elevation drawing, sectional drawing, foundation drawing, installation drawing.   Q6:How many types of sandwich panel do you have? A: We have EPS(polystyrene)sandwich panel, rock wool sandwich panel, and PU(polyurethane)sandwich panel. The characteristics of your sandwich panels respectively: 1.EPS(polystyrene)sandwich panel: thickness is 50mm, 75mm, 100mm. EPS volume weight is 80-200Kg/m3, water-proof. 2.Rock wool sandwich panel: thickness is 50mm, 75mm, 100mm. Rock wool volume weight is 200-400Kg /m3, fire-proof, sound-insulation, heat-preservation. 3.PU(polyurethane)sandwich panel: thickness is 50mm, 75mm, 100mm. PU volume weight is 150-300/m3 water-proof, fire-proof, heat-proof, heat-insulation, heat-preservation, sound-insulation.   Q7: How many colors do your sandwich panels have? A: Offwhite, ivory white, blue, green and red color.   connect information