Advantages of steel structures over wood structures:  
Steel is :  
Termite Resistant:
Termites cause Millions of dollars in damage to wood structures every year.
Water Resistant:
Water causes wood to rot, mildew, crack, warp. Our steel is galvanized and coated to prevent rusting.
Sun/Heat Tolerant :
Wood is dried out by the heat of the sun and will soon twist, crack and splinter.
High Strength :
Wood will sag and bend under heavy loads
Fire Proof :
Steel will not burn. Wood burns fast.