It is found that for a wide range of unit costs of formwork both approaches lead to approximately similar results provided the unit cost ratio of concrete to steel is above 60 (where cost of concrete is per cubic yard and steel per pound). However, if a cost ratio much below 60 prevails...
Stainless Steel: $5 per square foot Copper: $6 per pound Zinc: $4.50 per pound Brands such as Interlock metal roofing will also cost more for the initial installation, but many come with warranties for the lifetime of the roof. For an accurate quote on your metal roofing project, please...