Labeled fire metal doors control the spread of fire and smoke.Metal steel fire doors are an economical alternative to wood fireproof doors when more than a 20-minute rating is required. Steel is the sole door material to deliver a 3-hour fire-rating.
We are Dalian Golden House, We provide a wide range of hollow metal doors, frames and wood doors for commercial and residential construction. If you want to know more about our product, please contact us.
