Why are steel churches so popular? Follow Steel church buildings are popping up in communities for many reasons, mainly because they’re cheaper to build and can be erected much quicker than other construction methods. Related articles How long do steel buildings last? How much does a metal church building cost? Can I assemble the church myself? What types of church buildings can I get through GenSteel? Why do I need pre-construction services? Comments 0 comments Please sign in to leave a comment.