Ppgi Prepainted Galvanized Iron Roofing Corrugated Steel Sheet For Sale
Thickness is a crucial factor for strength and sturdiness . Minimum recommended thickness: 0.551 mm (26 gauge) for permanent shelters and shelters subject to snow loads. 0.475 mm (28 gauge) are often used for shelters when the wind speed is less than 250 km/h, the space between laths/battens/purlins is 0.50 m maximum and therefore the area isn't susceptible to snow. 0.4 mm (30 gauge) are often used for shelters when the wind speed is less than 200 km/h, the space between laths/battens/purlins is 0.60 m maximum and therefore the area isn't susceptible to snow. In exceptional circumstances like major difficulties of accessibility (mountainous and remote areas), it's possible to use exceptional solutions à choose thinner CGI sheets to scale back the load of the transportation, if CGI sheets need to be carried by humans or animals. during this case, the roof frame must be modified à the spacing of the CGI sheet support (lath/batten/purlin) must be reduced to stay its strength. In such cases it's highly recommended to hunt the recommendation of a shelter expert. |


Q: Are you trading company or manufacture? A:Both. Youfa Group has 4 production area in China. Q: Can I have a trial order only for several tons? A:We can ship the regular specifications with LCL service. Q: Do you provide samples ? is it free or extra ? A: Yes, we could offer the sample for free, with the cost of freight paid by customer. Q: Are you gold supplier and do trade assurance A:YES. We have strong cooperation with SINOSURE. Q: How long is your delivery time? A:Generally it is 3-5 days if goods are in stock. or around 30days if the goods are not in stock and it is according to order requirement. Q: What is your terms of payment? A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment. Or L/C at sight (For big order, LC at 30-90days can be acceptable) |