Why steel is a green building materials？
- Steel is 100 percent recyclable. Each year, nearly 68.7 percent of all steel scrap is North America is recycled.
- Steel does not contribute to the growth of landfills.
- Steel framed structures stay straight and true and do not expand and contract with humidity and temperature changes. This means that door and windows openings framed with steel remain stable and this saves on energy costs.
- Cold-formed steel has the highest strength-to-weight-ratio of any structural building material. As a result steel projects can be built with fewer materials.