What are the loads that can be sustained by the construction of fasteners?
Look at the cold water tower of the chemical plant and inspire you.
Aluminum-magnesium alloy apple and DELL most commercial and XPS series and alien full range of this is what I know
Polystyrene foam board according to the density of pricing, the general 100-300 yuan / m?, 50 thick 5 trace of the river tube boiling degree of sand pests 15 yuan / m?, to see your requirements for the material.